What Perimenopause Does to Your Immune System
You're not imagining it. In your late thirties and forties, you might notice you get sick more often. That you take longer to bounce back. That your body reacts to things it used to handle without any drama. Allergies spike. A cold lingers for two weeks. An old inflammatory issue flares up out of nowhere.
Most of the conversation about perimenopause focuses on cycles, hot flashes, and mood. The immune system barely comes up. But estrogen is one of the most powerful regulators your immune system has, and when it starts shifting, the effects go well beyond your period.
This is what's happening, and what you can do to support your body through it.
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Reading’s great, but sometimes it’s nice to just listen in. So we turned today’s blog into a conversation. Our two AI sidekicks, Max and Chloe, break down today’s blog so you can listen on the go!
Estrogen is an immune regulator
Estrogen receptors are found on virtually every type of immune cell. T cells, B cells, macrophages, natural killer cells. They all carry estrogen receptors because they all respond to estrogen signals.
When estrogen is stable, it generally acts as an anti-inflammatory brake. It helps keep immune responses calibrated. It supports regulatory T cells, which are the cells that tell your immune system when to stand down. It modulates cytokines, the chemical messengers that direct how strongly your body responds to a threat.
A 2020 review in the Journal of Neuroinflammation describes estrogen as a "master regulator" of both innate and adaptive immune responses, with estrogen receptor-beta specifically controlling a key component of the inflammasome, the protein complex that triggers inflammatory responses.
In plain terms: estrogen helps your immune system know how loud to be. When estrogen starts swinging, that calibration goes with it.
What perimenopause actually does to immune function
Perimenopause is not a steady decline. Estrogen surges and drops erratically for years before it finally settles at a lower level. That unpredictability is the problem.
When estrogen drops suddenly, even temporarily, the anti-inflammatory brake it provides is lifted. Pro-inflammatory pathways become overactive. Your immune system becomes more reactive and less tolerant of things it would normally handle quietly.
Research from Samphire Neuroscience summarizes NIH-funded findings showing that women in the menopausal transition have elevated chronic levels of pro-inflammatory cytokines and reduced ability to respond to pathogens. The same research found decreases in CD4 T cells, B lymphocytes, and natural killer cell activity.
In practice, this looks like: catching every cold that comes through, taking much longer to recover, seeing old inflammatory conditions flare, and noticing your body reacting to things it used to tolerate without issue.
For women with existing autoimmune conditions, the hormonal swings of perimenopause are a known trigger for flares. Hashimoto's, rheumatoid arthritis, and psoriasis all tend to worsen during this window, as noted in a clinical overview from Dr. Ruthie Harper, citing research in the Journal of Autoimmunity linking perimenopausal estrogen fluctuations to increased autoimmune disease activity.
Your gut is part of this picture too
Estrogen also supports the gut lining and gut microbiome diversity. As it declines, microbiome diversity tends to fall with it. That matters for immune health because roughly 70% of your immune system lives in and around your gut.
A healthy, diverse microbiome produces short-chain fatty acids like butyrate, which support regulatory T cells and help prevent the immune system from overreacting. Less diversity means less of that regulatory support.
Vibrant Wellness describes this as a "perfect storm" during perimenopause: fluctuating hormones, declining microbiome diversity, compromised gut barrier integrity, and reduced immune tolerance all arrive at the same time.
This is why slippery elm keeps showing up in conversations about perimenopause and gut health. A well-supported gut lining is part of a well-regulated immune system, not a separate issue.
The nutrients your immune system needs more of right now
Immune function is not just about hormones. The cells that do the actual work, the T cells, NK cells, macrophages, need specific nutrients to function. And many of those nutrients are ones that modern diets tend to fall short on, especially under the added demand that perimenopause creates.
Zinc: Critical for immune cell development and function. Zinc is required for the maturation of T cells and for controlling the inflammatory response. Beef liver contains zinc alongside copper, and the two work together as a ratio, not in isolation.
Copper: Supports antimicrobial activity and immune cell signaling. Beef liver is one of the richest food sources of copper available.
Vitamin A: Reinforces the mucosal barriers in the gut, lungs, and respiratory tract, the first line of defense against pathogens. Beef liver provides retinol, the pre-formed version your body uses directly, not the beta-carotene that still needs to be converted.
Vitamin B6: Required for white blood cell production and antibody response. B6 also supports hormone regulation and serotonin synthesis. As Dr. Jolene Brighten documents, adequate B6 levels are directly tied to immune function, and deficiency shows up as lowered immune response alongside mood and energy issues.
Vitamin B12 and folate: Both are essential for DNA synthesis in rapidly dividing immune cells. Your immune system makes new cells constantly. It needs methylated B12 and folate to do that efficiently.
Beef liver supplies all of these in their most bioavailable forms. That's the core of why it keeps coming up in immune health conversations, not as a trend, but because it maps directly onto what the immune system requires.
Where yarrow fits in
Yarrow's anti-inflammatory properties are well documented. What's less commonly known is the mechanism.
Yarrow extract has been shown to suppress pro-inflammatory cytokines, the same signaling molecules that become overactive when estrogen drops. A 2022 study published in Antioxidants (PMC) found that yarrow extract reduced IL-8 production by 53 to 64% in inflamed cells. IL-8 is a key driver of the inflammatory cascade.
More recently, a 2025 study from the Chinese Academy of Sciences identified new bioactive compounds in yarrow, specifically sesquiterpene lactones called guaianolides, that inhibit major inflammatory pathways including NF-kB, MAPK, and NLRP3, the same inflammasome pathway that estrogen receptor-beta normally helps regulate.
Yarrow is not a hormone. It doesn't replace estrogen. But it works on some of the same downstream pathways that estrogen supports. For someone in perimenopause, where the hormonal brake on inflammation is unreliable, an ingredient that helps calm the cytokine response is doing meaningful work.
A word on beef spleen
The spleen is the immune system's command center. It filters blood, stores immune cells, and coordinates the response to pathogens.
Beef spleen contains tuftsin and splenopentin, two small peptides with documented immunostimulant activity. According to a ScienceDirect overview on tuftsin, tuftsin activates macrophages in the liver, spleen, and lymph nodes and mobilizes white blood cells to fight infection. Pharmaceutical-grade bovine spleen extract has been used in Germany for infectious disease and immune support in cancer patients.
Splenopentin specifically boosts natural killer cell activity, the same NK cells that research shows decline during perimenopause.
Beef spleen is not yet in every organ supplement formula. But the evidence behind it is real, and as the category matures, it is increasingly appearing in women's health conversations for exactly this reason.
What this means in practice
The immune changes in perimenopause are real, but they are not a fixed outcome. They are largely driven by nutrient depletion and inflammatory dysregulation, both of which respond to nutritional support.
The B vitamins, zinc, copper, and vitamin A needed for immune cell production and function are the same nutrients that modern diets tend to under-deliver. Beef liver provides them in pre-formed, bioavailable concentrations. Yarrow provides anti-inflammatory flavonoids that work on the cytokine pathways perimenopause tends to destabilize.
This is not a substitute for sleep, stress management, or medical care. But it is a nutritional foundation that supports your immune system during a phase when it genuinely needs more, not less.
Sarenova’s Formula No. 06 includes both beef organs and yarrow aerial extract, along with slippery elm for gut lining support. If you want to understand how the ingredients work together, read more on the underlying research, including posts on organ nutrition for immunity and why herbs and organs work better together.
Join the waitlist for Formula No. 06 below!
💡 Key Takeaways
Estrogen receptors live on every immune cell, so when estrogen swings in perimenopause, your immune system swings with it.
Natural killer cell activity drops during the menopausal transition, which is why colds hit harder and linger longer.
Beef liver delivers zinc, copper, vitamin A, B6, B12, and folate — the exact nutrients immune cells need to develop and respond.
Yarrow suppressed IL-8 production by 53 to 64% in a 2022 PMC study, targeting the same inflammatory pathway estrogen normally keeps in check.
Your gut microbiome loses diversity in perimenopause, weakening the regulatory T cells that keep your immune response from overreacting.
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1. The peri-menopause as a systemic inflammatory event, Journal of Neuroinflammation (PMC7585188)
2. Menopause and immune system: what changes, Samphire Neuroscience
3. The link between autoimmune disease flare-ups and perimenopause, Dr. Ruthie Harper MD
4. Perimenopause and autoimmunity: hormones, gut health, and immune disruption, Vibrant Wellness
5. Vitamin B6 benefits for women, Dr. Jolene Brighten
8. Tuftsin and splenopentin immunostimulant activity, ScienceDirect
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(AI-generated conversation and transcript)
Perimenopause_is_actually_an_immune_event
[00:00:00] Max: Imagine, uh, catching a standard, you know, run of the mill office cold.
[00:00:04] Chloe: Right.
[00:00:04] Max: But instead of clearing up in three days like it usually does.
[00:00:07] Chloe: Yeah.
[00:00:07] Max: It just, it lingers in your chest for three solid weeks.
[00:00:11] Chloe: Yeah. The one that just won't quit.
[00:00:12] Max: Exactly. Or, um. Suddenly you're experiencing these random allergy spikes to foods you've eaten without issue your entire life.
[00:00:21] Chloe: Oh yeah.
[00:00:22] Max: Maybe an old joint pain flares up seemingly outta nowhere. And if you are a woman in your late thirties or forties society, and I mean, even a lot of medical professionals will usually just brush this off.
[00:00:34] Chloe: They really do.
[00:00:35] Max: They'll tell you this is simply, well. A normal part of getting older.
[00:00:39] Chloe: Yeah.
[00:00:40] Max: But according to a totally fascinating stack of research from the Chinese Academy of Sciences and the National Institutes of Health, that explanation is not only dismissive, it's uh, it's scientifically inaccurate.
[00:00:51] Chloe: Completely inaccurate.
[00:00:52] Max: You aren't just getting older. Your immune system is actually losing its master regulator.
[00:00:56] Chloe: Right? Because we are so heavily conditioned to view this entire phase of life, you know, perimenopause strictly through the lens of fertility. We talk about hot flashes. We uh, we talk about mood changes, but we completely miss the fact that perimenopause is actually a profound systemic immune event.
[00:01:17] Max: It's huge.
[00:01:18] Chloe: It really is. And once you see the cellular mechanism behind why you feel so awful, I mean. It fundamentally changes how you understand human biology.
[00:01:27] Max: Whether you are frantically taking notes for a health project, or you're just insanely curious about how the body works, today's deep dive is gonna deliver a massive aha moment for you.
[00:01:38] Chloe: Absolutely.
[00:01:38] Max: We are unpacking the hidden cellular chaos of perimenopause. And to do this, we're looking at, uh, medical reviews, clinical data, and some formulation research from anova. Let's unpack this.
[00:01:50] Chloe: Let's do it.
[00:01:51] Max: We need to start with the single molecule at the absolute center of this mystery, which is estrogen.
[00:01:55] Chloe: Yeah,
[00:01:56] Max: I always learned about estrogen simply as a reproductive hormone, but the sources completely reframe it as this powerful immune molecule
[00:02:03] Chloe: they do. Think about the physical geography of the human body for a second. Estrogen receptors. They're not just localized to reproductive organs. They're physically embedded on virtually every single type of immune cell you possess.
[00:02:16] Max: Wait, like all of them?
[00:02:17] Chloe: Pretty much, yeah. Your T cells, your B cells, your natural killer cells, and um. Your macrophages.
[00:02:25] Max: The macrophages, those are the,
[00:02:26] Chloe: yeah. You can think of them as the microscopic pacman of your immune system.
[00:02:29] Max: Yeah, right. Roaming around eating stuff.
[00:02:31] Chloe: Exactly. They roam around eating cellular debris and pathogens, and every single one of those cells carries estrogen receptors,
[00:02:39] Max: so they're constantly receiving chemical signals from estrogen.
[00:02:42] Chloe: Constantly.
[00:02:42] Max: There is a, uh, 2020 review in the Journal of Neuroinflammation that calls estrogen a master regulator of both our innate and adaptive immune responses,
[00:02:53] Chloe: right? And that term master regulator in immunology, it means it dictates the overall behavior of the system,
[00:02:59] Max: okay?
[00:02:59] Chloe: So when estrogen levels in your body are stable, it effectively acts as an anti-inflammatory break.
[00:03:05] Max: A break like on a car.
[00:03:07] Chloe: Exactly. It binds to those immune cells and keeps their responses perfectly calibrated. Like you have these specialized cells called regulatory T cells. Mm-hmm. Their entire job is to be the peacekeepers of the body. When a virus enters your system, your immune system attacks it, but once the virus is dead, those regulatory T cells blow the whistle and say, the threat is neutralized.
[00:03:30] Stop firing, go back to base.
[00:03:32] Max: Right?
[00:03:33] Chloe: And estrogen is what physically supports and like funds. Those peacekeepers.
[00:03:38] Max: I like to picture estrogen as um, sort of like the sound engineer at a massive rock concert.
[00:03:44] Chloe: Ooh, I like that.
[00:03:45] Max: Right? Because you've got all these different loud instruments, your T cells, your B cells, your inflammatory chemicals.
[00:03:49] Mm-hmm. And estrogen is just sitting at the mixing board constantly adjusting the sliders.
[00:03:53] Chloe: Yep.
[00:03:54] Max: Keeping the volume perfectly calibrated. So the immune response sounds like music, not just, you know, screeching feedback.
[00:03:59] Chloe: That's a perfect way to visualize it.
[00:04:01] Max: But wait, I have to push back on this a little. If estrogen is the literal brake pedal that suppresses the immune system, wouldn't women with really high estrogen, like during pregnancy?
[00:04:11] Yeah. Maybe be the ones getting sick all the time. Like why is losing estrogen the problem?
[00:04:17] Chloe: Yeah, that is a really crucial distinction to make. It's a super common misconception that an immune break means absolute suppression.
[00:04:25] Max: Right. Like turning it off entirely.
[00:04:26] Chloe: Exactly. But it's not, what's fascinating here is it's actually about calibration.
[00:04:31] It's about preventing friendly fire.
[00:04:33] Max: Oh, okay.
[00:04:34] Chloe: Estrogen doesn't turn the immune system off so you get sick. It prevents the immune system from overreacting and attacking your own healthy tissue.
[00:04:41] Max: Oh, that makes sense.
[00:04:42] Chloe: Furthermore, that Journal of Neuroinflammation review notes that estrogen receptor beta controls a structure inside your cells called the inflammasome.
[00:04:50] Max: The inflammasome. What exactly is that?
[00:04:52] Chloe: Well, it's a microscopic alarm system. It's a literal protein complex inside your cells that detects stress.
[00:04:58] Max: Okay?
[00:04:58] Chloe: And when it senses a threat, it physically assembles itself to release inflammatory chemicals and estrogen keeps the sensitivity of that alarm perfectly tuned.
[00:05:07] Max: So it knows the difference between a real threat and a false alarm.
[00:05:11] Chloe: Yes, if it sees a minor piece of dust, estrogen ensures the alarm just whispers. But if it sees a severe virus, it allows the alarm to sound loudly.
[00:05:22] Max: Okay. So if estrogen is the master calibrator of that alarm system, what happens when that calibrator starts to, you know, break down?
[00:05:30] Because perimenopause is not a smooth, gentle decline into lower hormone levels.
[00:05:35] Chloe: Oh. Definitely not. It is a highly erratic, chaotic process.
[00:05:39] Max: Yeah.
[00:05:40] Chloe: For years before estrogen finally settles at a lower post-menopausal level, it surges wildly and then just plummets overnight. It's a total hormonal rollercoaster.
[00:05:49] Max: It's like driving down the highway with a malfunctioning brake pedal,
[00:05:52] Chloe: right?
[00:05:52] Max: Sometimes you press it and it works perfectly fine, but other time you press it and absolutely nothing happens, so you just lurch forward, totally outta control. Your immune system is essentially getting whiplash.
[00:06:01] Chloe: That whiplash fundamentally alters how your cells behave.
[00:06:05] Max: Yeah.
[00:06:05] Chloe: When estrogen drops, suddenly the anti-inflammatory break just vanishes. The peacekeeper cells lose their funding,
[00:06:11] Max: so everything just goes off.
[00:06:13] Chloe: Exactly. Your pro-inflammatory pathways go into absolute overdrive. They flood your body with inflammatory chemicals. The immune system becomes hyper reactive, losing its tolerance for things that would normally, you know, handle without a fuss.
[00:06:26] Max: The data on this is staggering. Honestly. There are these NIH funded findings summarized by sandfire neuroscience that look specifically at women during this menopausal transition. Yeah. Yeah. And they show elevated chronic levels of pro-inflammatory cytokines, which are the chemical messengers that cause inflammation.
[00:06:43] Chloe: Right.
[00:06:44] Max: But at the exact same time. There is a decreased ability to actually fight off real pathogens. Like the research found significant decreases in CD four T cells, fewer B lymphocytes, and drastically reduced natural killer cell activity.
[00:06:57] Chloe: Let's translate what those cells do for you, the listener in the real world.
[00:07:01] Max: Yeah, let's break that down.
[00:07:02] Chloe: Natural killer cells are your body's antiviral, assassins. They're the frontline defense against everyday viruses.
[00:07:09] Max: Okay?
[00:07:09] Chloe: During perimenopause, those assassins literally drop in activity while your baseline whole body inflammation spikes. It explains exactly why you might be catching every single lingering cold that goes around your office,
[00:07:22] Max: and it is not just common colds either.
[00:07:24] Chloe: No.
[00:07:24] Max: For anyone with existing autoimmune conditions, this rollercoaster is incredibly disruptive. Dr. Ruthie Harper provided a clinical overview citing research in the Journal of Autoimmunity.
[00:07:37] Chloe: Hmm.
[00:07:38] Max: And it shows that these perimenopausal estrogen fluctuations are a known trigger for massive flares in conditions like Hashimoto's thyroiditis, rheumatoid arthritis, and psoriasis.
[00:07:50] Chloe: While autoimmune diseases are inherently an issue of an overactive, poorly regulated immune response, where the body attacks itself.
[00:07:56] Max: Right. Friendly fire.
[00:07:57] Chloe: Exactly. So when you remove the estrogen break conditions that were previously well managed can suddenly become aggressive. The immune system has just lost its calibration,
[00:08:05] Max: but this chaotic whiplash in the bloodstream.
[00:08:08] Doesn't happen in a vacuum.
[00:08:10] Chloe: Not at all.
[00:08:10] Max: It directly destabilizes the organ where like roughly 70% of your entire immune system actually lives.
[00:08:17] Chloe: Yes,
[00:08:17] Max: your gut, here's where it gets really interesting.
[00:08:20] Chloe: The gut immune connection is paramount. You simply cannot separate them,
[00:08:24] Max: right?
[00:08:24] Chloe: The physical lining of your gut is heavily dependent on estrogen for its structural integrity.
[00:08:30] And estrogen also dictates the diversity of your gut microbiome, the trillions of bacteria living in your digestive tract.
[00:08:37] Max: So when estrogen levels drop and surge, that microbiome diversity plummets right alongside it. Yep. The sources point out this cascading effect here involving short chain fatty acids, specifically one called butyrate.
[00:08:51] Can you explain how that connection works?
[00:08:52] Chloe: Sure. So butyrate is a byproduct of digestion. When healthy, diverse gut bacteria ferment and digest the fiber you eat, they produce butyrate. Okay? Why does that matter? Because butyrate is the primary fuel source for those regulatory T cells we discussed earlier.
[00:09:07] Max: The peacekeepers.
[00:09:08] Chloe: Exactly. The peacekeepers. Without a diverse microbiome producing butyrate, those peacekeepers starve The immune system loses yet another critical layer of regulation.
[00:09:18] Max: Vibrant wellness actually calls this a perfect storm during perimenopause.
[00:09:22] Chloe: Oh, it really is
[00:09:23] Max: because you have fluctuating hormones, declining microbiome diversity, a physically compromised gut barrier, and reduced immune tolerance all hitting you at the exact same time.
[00:09:33] Chloe: Yeah.
[00:09:34] Max: It makes me think about how many people out there are buying random, expensive probiotics right now. Totally unaware that their changing hormones are actually dismantling their gut barrier from the inside,
[00:09:47] Chloe: and that's why you cannot treat a perimenopausal immune system without directly treating the physical gut environment,
[00:09:53] Max: right?
[00:09:54] Chloe: This is why you see specific interventions like slippery elm, frequently highlighted in these clinical discussions.
[00:10:00] Max: Yeah. The Anova Digest notes emphasize the slippery yum quite a bit. It's categorized as a mucilaginous herb. How does that translate into the repairing the gut?
[00:10:10] Chloe: So when slippery elm mixes with water in your digestive tract, it creates this thick gel-like substance.
[00:10:16] Max: Okay.
[00:10:17] Chloe: It provides a physical gelatinous coating over the gut lining in this context. It isn't just a basic digestion aid,
[00:10:23] Max: right? It's doing more
[00:10:24] Chloe: much. By reinforcing that compromised gut barrier, it acts as an immune protector. It physically stops inflammatory triggers and undigested food particles from leaking out of the gut and into the bloodstream,
[00:10:38] Max: which is what triggers that hyperreactive immune system we just talked about
[00:10:41] Chloe: exactly.
[00:10:41] It plugs the holes.
[00:10:43] Max: Since we can't easily stop the hormonal rollercoaster. Providing that physical barrier is crucial, but we also have to look at the immune cells themselves.
[00:10:52] Chloe: Yes.
[00:10:52] Max: If the immune system is frantically burning through resources, trying to build new cells to compensate for this chaotic environment, I mean, it needs raw materials.
[00:11:02] Chloe: It definitely does.
[00:11:03] Max: It makes me think about trying to print a million copies of a really complex blueprint, but running out of ink.
[00:11:09] Chloe: That's a great analogy,
[00:11:10] Max: right? Like your body knows how to make the immune cells, but without the physical raw materials to synthesize new DNA, the printer just jams
[00:11:17] Chloe: and the baseline demand for nutrients skyrockets during perimenopause.
[00:11:21] But the unfortunate reality is that modern diets simply fail to provide the exact micronutrients. These cells need to function under this specific hormonal stress, according to the data, the ultimate source of these raw materials, the ink. For the printer, if you will, is beef liver,
[00:11:38] Max: beef, liver.
[00:11:39] Chloe: Yeah.
[00:11:39] Max: It is effectively nature's most bioavailable multivitamin for immunity.
[00:11:44] Let's break down exactly what's in it, because the list maps flawlessly onto the deficits created by perimenopause.
[00:11:49] Chloe: Let's do it
[00:11:50] Max: first. You've got zinc and copper.
[00:11:52] Chloe: Yeah, so zinc is required for the physical maturation of T-cell in the body. For controlling the inflammatory response.
[00:11:59] Max: Okay,
[00:11:59] Chloe: but it does not work in isolation.
[00:12:01] Zinc and copper must exist in a delicate, balanced ratio. Copper supports antimicrobial activity and vital immune cell signaling.
[00:12:10] Max: So
[00:12:11] Chloe: you do both. You do. If you take isolated synthetic zinc supplements, you can actually deplete your body's copper levels. But beef liver provides both of them together in their natural perfect ratio.
[00:12:22] Max: Then there is vitamin A. This is crucial for reinforcing the mucosal barriers in the gut, the lungs, and the respiratory tract,
[00:12:29] Chloe: which is your first line of defense.
[00:12:30] Max: Exactly,
[00:12:31] Chloe: yeah.
[00:12:31] Max: Against whatever pathogen is circulating and the distinction the sources make here is vital. Liver provides direct retinol. Can you explain why retinol is so much more effective than, say, getting vitamin A from something like carrots?
[00:12:44] Because I think a lot of people just assume carrots are enough,
[00:12:47] Chloe: right? So carrots provide betacarotene, which is a precursor to vitamin A.
[00:12:50] Max: Okay?
[00:12:51] Chloe: Your body has to go through a complex enzymatic process to convert betacarotene into a usable form. That conversion process is highly inefficient, even on a good day, let alone when the body is under metabolic stress from perimenopausal hormone shifts.
[00:13:08] Wow. Okay. Liver provides preformed retinal. It is handing the immune system a finished. Ready to use tool instead of a box of parts that require assembly.
[00:13:16] Max: Oh, I love that. And we can't forget the B vitamins either.
[00:13:19] Chloe: No, we cannot.
[00:13:20] Max: Dr. Jolene Brighton has documented extensively how B vitamins tie into this immune shift.
[00:13:25] Vitamin B six acts almost like an ignition switch for the enzymes that assemble new immune cells.
[00:13:31] Chloe: Right.
[00:13:31] Max: She links adequate B six directly to strong immune function. Noting that a deficiency shows up as a lowered immune response, not to mention issues with mood and fatigue
[00:13:40] Chloe: and alongside B six b. Liver is incredibly rich in vitamin B12 and folate.
[00:13:45] Okay? Your immune system is constantly making new cells, especially when it's fighting ongoing low grade inflammation. To make new cells, you have to synthesize new DNA.
[00:13:55] Max: Right.
[00:13:56] Chloe: Methylated B12 and folate are absolutely essential for that. DNA synthesis without them cell production literally stalls out.
[00:14:05] Max: Okay.
[00:14:05] So beef liver gives the body the physical ink to print new immune cells. Mm-hmm. And slippery elm patches of the physical gut barrier.
[00:14:13] Chloe: Correct.
[00:14:13] Max: But that still leaves us with a hyperreactive immune system that is completely missing. Its estrogen break.
[00:14:19] Chloe: Mm-hmm.
[00:14:19] Max: Like how do we stop the cellular alarm bells from constantly ringing.
[00:14:23] Chloe: This is where we look at targeted botanicals that can step in and mimic that regulatory action.
[00:14:28] Max: Okay.
[00:14:28] Chloe: We aren't just broadly feeding the system anymore. We are strategically reinforcing the exact cellular pathways that estrogen used to manage. And Yaro is a prime example of this.
[00:14:38] Max: Yeah. I saw Yaro mentioned in a 2022 study published in the Journal Antioxidants.
[00:14:42] Chloe: Mm-hmm.
[00:14:43] Max: It's stated that Yaro extract reduced the production of something called IL eight by 53 to 64% in inflamed cells. What exactly is IL eight?
[00:14:51] Chloe: So IL eight is basically a chemical flare gun.
[00:14:55] Max: A flare gun?
[00:14:55] Chloe: Yeah. When a cell is stressed, it shoots IL eight into the bloodstream to tell the immune system send inflammation to this location immediately.
[00:15:04] Max: Oh wow.
[00:15:05] Chloe: By reducing IL eight. Yarro effectively confiscates the flare gun before the immune system can overreact.
[00:15:11] Max: That is amazing. There was also a 2025 study from the Chinese Academy of Sciences that isolated specific bioactive compounds in Yarro.
[00:15:21] Chloe: Yes, that one is fascinating.
[00:15:23] Max: What exactly did they find inside this simple plant that allows it to stop inflammation so effectively?
[00:15:29] Chloe: The researchers identified bioactive compounds known as Lytes
[00:15:33] Max: Anolytes, okay.
[00:15:34] Chloe: What these specific compounds do is physically inhibit major inflammatory pathways inside the cell, and the most critical pathway they inhibit is the NLRP three inflammasome,
[00:15:43] Max: which is the exact same microscopic alarm system that estrogen receptor beta normally regulates.
[00:15:48] Chloe: Exactly. Yaro isn't a hormone, it does not replace the estrogen you are losing. Right. But its bioactive compounds are stepping in to do estrogen's, downstream cellular paperwork. It acts as a highly effective surrogate break for the immune system.
[00:16:03] Max: Okay, so if Yara was stepping in to act as the emergency break for the inflammation, what is repairing the complex immune cells that already took a beating during the rollercoaster?
[00:16:12] Chloe: Right,
[00:16:12] Max: because that requires a completely different organ entirely. The beef spleen?
[00:16:17] Chloe: Yes. If the liver is the supply warehouse providing the raw materials, the spleen is the immune system's command center.
[00:16:24] Max: Ah, I see.
[00:16:25] Chloe: It filters your blood. It stores immune cells and it coordinates the body's entire response to pathogens
[00:16:31] Max: and the research backing its use is really substantial.
[00:16:34] Beef spleen contains specific small peptides, which are basically just short chains of amino acids. Right. The primary ones being tuftin and Op pentin. Science Direct provides a great overview of tuftin detailing, how it acts as a signaling peptide.
[00:16:48] Chloe: Mm-hmm.
[00:16:49] Max: It physically activates macrophages in the liver, the spleen and lymph nodes, and it mobilizes white blood cells to actively fight infection.
[00:16:57] Chloe: It's powerful stuff.
[00:16:58] Max: In fact, pharmaceutical grade bovine spleen extract has a history of use in Germany specifically for infectious disease and to support the immune systems of cancer patients.
[00:17:10] Chloe: If we connect this to the bigger picture, it is heavy duty targeted support and splint. Pentin specifically boosts natural killer cell activity.
[00:17:20] Max: Oh, wow.
[00:17:21] Chloe: Which perfectly closes the loop on what we discussed earlier.
[00:17:24] Max: Right, because the natural killer cells drop.
[00:17:26] Chloe: Exactly. The NIH findings showed that those antiviral natural killer cells specifically declined during the perimenopause transition. SP spip pentin steps in as a signaling molecule to tell the bone marrow to boost those exact cells.
[00:17:40] Max: That is incredible.
[00:17:41] Chloe: It's like sending reinforcements directly to the specific battalion that just lost its troops.
[00:17:46] Max: This is why formulations like ANOVA are just so intriguing. They aren't just, you know, throwing generic vitamins into a capsule and calling it an immune booster,
[00:17:54] Chloe: right. It's very intentional.
[00:17:55] Max: They smartly combine the beef liver for foundational cellular materials, the yaro, to act as a surrogate break on the inflammasome and the slippery elm To secure the gut barrier, it's designed to tackle a multi-front biological war.
[00:18:09] Chloe: It represents a total paradigm shift for someone in perimenopause where the hormonal break is wildly unreliable.
[00:18:16] Introducing interventions that calm the cytokine response on the exact same cellular pathways is doing highly meaningful protective work.
[00:18:25] Max: So what does this all mean for you?
[00:18:26] Chloe: Yeah.
[00:18:26] Max: If you've been listening and nodding along to the symptoms, the lingering colds, the sudden allergies, the unexplainable joint inflammation.
[00:18:34] Here is the synthesis of our journey Today.
[00:18:37] Chloe: I get home.
[00:18:37] Max: Perimenopause is not just a reproductive phase that you simply have to gr your teeth through. It is a profound systemic immune shift. Your cells are losing their master regulator.
[00:18:47] Chloe: They are.
[00:18:48] Max: But importantly, you are not powerless against that shift.
[00:18:51] Chloe: No, you're not.
[00:18:51] The changes in your body are very real, but they're driven by nutrient depletion in inflammatory dysregulation, and both of those are variables that you can actively control.
[00:19:01] Max: Exactly. By utilizing targeted nutrients like the bioavailable vitamins in B liver, securing your gut lining with slippery elm and applying botanical breaks like yarro, you don't have to be at the mercy of the hormonal rollercoaster,
[00:19:15] Chloe: right?
[00:19:15] Max: You can give your body the exact tools it needs to compensate for the fluctuating estrogen.
[00:19:21] Chloe: Which brings up a final, really crucial point to consider as we wrap up today.
[00:19:26] Max: Okay. Let's hear it.
[00:19:27] Chloe: If estrogen receptors are literally embedded on almost every single immune cell in a woman's body, and perimenopause fundamentally alters how those cells respond to threats.
[00:19:37] Max: Hmm.
[00:19:38] Chloe: How many standard one size fits all medical treatments for immune conditions are completely missing the mark for half the population during this entire decade of their lives?
[00:19:47] Max: Wow, that is a massive question to sit with.
[00:19:50] Chloe: It really is.
[00:19:50] Max: If you are experiencing this, remember, you are not just getting older.
[00:19:53] Your biology is shifting, and it demands a completely different level of targeted support. Keep questioning what you know. Keep demanding better answers, and thank you so much for taking this deep dive with us today.