Beyond “Eat More Antioxidants”: How Polyphenols Heal Your Gut, Liver & Hormones

Let me tell you something that took nutrition science decades to figure out — and that most health advice still hasn’t caught up to.

You have been told that berries, green tea, dark chocolate, and olive oil are good for you because they are “high in antioxidants.” And while that’s not wrong, it is so incomplete that it’s almost misleading. The antioxidant story — the idea that these plant compounds work by neutralizing free radicals like molecular sponges — accounts for only a tiny fraction of what they actually do in your body.

The real story is far more interesting. And far more actionable.

Here’s what the science now shows: polyphenols — the health-promoting compounds in every colorful, bitter, or astringent plant food you’ve ever been told to eat more of — work primarily as biological software. They send complex instructions to your genes, your liver, and most powerfully, to the trillions of bacteria living in your gut.

And once you understand how that works, food starts to make sense in a completely different way. This is the foundation of everything I do with clients. It’s the science behind the MediterAsian dietary pattern I’ve spent years developing and refining.

The Most Counterintuitive Fact in Nutrition Science

Here is the fact that changes everything:

But here’s the reframe that everything else builds on: this isn’t a design flaw. It’s the whole point.

Those polyphenols that pass through your small intestine unabsorbed travel to your colon — and there, they become the primary fuel source for your most beneficial gut bacteria. Bacteria that, in exchange, produce compounds that heal your gut lining, calm systemic inflammation, support your liver’s detoxification pathways, and regulate your hormones.

The 5–10% of polyphenols that are absorbed directly have real biological effects. But the 90–95% that reach your colon? That’s where the most clinically significant action is happening.

This single reframe — from polyphenols as antioxidants to polyphenols as gut microbiome fuel — explains why the research on polyphenol-rich diets keeps producing results that go far beyond what “antioxidants” could account for. A 38.9% reduction in liver fat. A 27% reduction in cardiovascular death. Meaningful improvements in gut barrier integrity, hormone metabolism, blood sugar regulation, and inflammatory markers.

The gut is the mechanism. And polyphenols are what feed it.

Your Gut Bacteria Are Running More of Your Health Than You Think

I put a lot of emphasis on gut health because it is that important, especially for women dealing with liver issues, hormonal imbalances, or perimenopausal symptoms.

Your gut microbiome — the community of approximately 38 trillion bacteria living in your digestive tract — is not just responsible for digestion. It is an active metabolic organ that:

• Produces serotonin (roughly 90% of your body’s serotonin is made in the gut, where it acts primarily as a local gut signaling molecule)
• Regulates the immune system — approximately 70% of your immune tissue lives in the gut
• Produces short-chain fatty acids like butyrate that seal the gut lining, reduce intestinal permeability, and signal anti-inflammatory responses throughout the body
• Controls the estrobolome — the bacterial community responsible for metabolizing and clearing estrogens from your body
• Communicates directly with the liver via the gut–liver axis, influencing everything from liver fat accumulation to detoxification enzyme activity

When the gut microbiome is diverse and thriving, you feel good, your mood improves, and your overall health is optimized. It should be populated by beneficial species like Akkermansia muciniphila, Bifidobacterium, Lactobacillus, and Faecalibacterium prausnitzii, which all play a beneficial role.

When the microbiome is depleted — by ultra-processed food, chronic stress, antibiotics, a low-fiber diet, or simply the natural decline in microbial diversity that accelerates in midlife — these functions are compromised in ways that show up as symptoms: bloating, fatigue, brain fog, estrogen dominance, elevated liver enzymes, stubborn visceral fat, and chronic low-grade inflammation that no amount of ibuprofen actually resolves.

Polyphenols are the single most powerful dietary tool we have for restoring and maintaining gut microbiome diversity. Not just fiber alone — even though fiber matters enormously. Polyphenols specifically, because they selectively feed bacterial strains that fiber cannot reach.

This is the connection that ties everything together. It’s why the MediterAsian dietary pattern — built around polyphenol abundance from diverse whole food sources across both Mediterranean and Asian culinary traditions — produces the health outcomes it does (and naturally provides fiber, too). I lay out more of this framework in 7 Ways to Reset Your Body’s Inflammatory Response and The Food Matrix: Whole Foods vs. Processed Foods.

What Polyphenols Are Actually Doing in Your Body

Let’s get specific about the mechanisms — because when you understand how this works, you’ll never think about plant foods the same way again.

They Activate Your Body’s Master Protective Switch

Once gut bacteria metabolize polyphenols into their bioactive forms, these metabolites activate a protein called Nrf2, one of the most important regulatory molecules in human biology.

Think of Nrf2 as a master light switch for protection. When it’s activated, it turns on over 200 protective genes simultaneously — including the enzymes your liver uses to neutralize toxins and environmental chemicals, the antioxidant systems that protect your cells from damage, and the anti-inflammatory proteins that resolve acute inflammation before it becomes chronic.

When Nrf2 is under-activated, which happens with a low-polyphenol diet, your liver’s capacity to clear hormones, process medications, and neutralize everyday environmental exposures is genuinely reduced. This is one of the upstream drivers of fatty liver disease, hormonal imbalances, and chronic inflammatory conditions.

The polyphenols that most powerfully activate Nrf2 include sulforaphane from cruciferous vegetables, EGCG from green tea, hydroxytyrosol from extra virgin olive oil, and curcumin from turmeric when prepared correctly. The MediterAsian dietary pattern delivers all of these, every day, through food.

They Turn Down Chronic Inflammation at the Source

A separate protein called NF-κB acts as the master switch for chronic inflammatory signaling. When NF-κB is chronically activated — which happens with poor diet, gut dysbiosis, chronic stress, and insufficient sleep — it drives the low-grade systemic inflammation that underlies virtually every chronic disease: fatty liver, insulin resistance, autoimmune conditions, cardiovascular disease, and the inflammatory dimension of perimenopausal symptoms.

Polyphenols from olive oil, berries, green tea, and dark chocolate suppress NF-κB — turning down the inflammatory signal at its source rather than just blocking downstream symptoms.

This is fundamentally different from how anti-inflammatory medications work. Medications block specific inflammatory pathways. Polyphenols reprogram the regulatory system that controls those pathways. That distinction matters enormously for long-term health outcomes, and it’s why a food-first approach produces durable results rather than symptom management.

They Selectively Feed Your Most Beneficial Gut Bacteria

Here is where the specificity gets genuinely exciting. Different polyphenol families feed different bacterial strains. This is not a generic prebiotic effect — it is a targeted, selective feeding of specific microbial populations:

• Anthocyanins from blueberries, blackberries, and purple vegetables preferentially enrich Akkermansia muciniphila, the strain most strongly associated with gut barrier integrity, insulin sensitivity, and metabolic health. They also support Bifidobacterium populations involved in immune regulation.
• Catechins (EGCG) from green tea enrich Lactobacillus strains while reducing inflammatory bacterial populations including Clostridium.
• Ellagitannins from walnuts and pomegranate are converted by specific gut bacteria into urolithin A — a compound that activates mitophagy, your cells’ system for clearing damaged mitochondria. It’s one of the most actively researched compounds in longevity science right now. Read more in Urolithin A, the Gut Microbiome & Personalized Nutrition.
• Isoflavones from whole soy foods such as tofu, edamame, miso, and tempeh are converted by gut bacteria into equol, a more bioactive compound with gentle estrogenic activity that is particularly relevant for perimenopausal women.

The practical implication is significant: you cannot achieve the same microbiome effect by eating the same one or two polyphenol-rich foods repeatedly. Diversity of plant sources is not just a nice idea — it is mechanistically necessary for cultivating the full spectrum of beneficial bacterial populations. This is one of the core architectural principles of the MediterAsian dietary pattern: drawing from the polyphenol diversity of both Mediterranean and Asian culinary traditions to achieve a microbiome-shaping breadth that neither tradition accomplishes alone.

Why Two Women Can Eat Identically and Get Different Results: The Metabotype

This is the question I hear most often from clients who feel frustrated. “I’m eating all the right things. Why isn’t it working?”

The answer lies in something called your metabotype — your internal metabolic signature, determined largely by which specific bacterial strains are currently living in your gut. The most well-researched example involves urolithin A, the mitochondrial-health compound produced when gut bacteria ferment ellagitannins from walnuts, pomegranate, and berries. Research has identified three distinct producer types:

• UM-A producers (~65% of people) have the gut bacteria needed to convert ellagitannins efficiently into urolithin A. They see robust, consistent benefits from walnuts, pomegranate, and ellagitannin-rich berries.
• UM-B producers (~25% of people) produce both urolithin A and urolithin B. In the MaPLE trial, UM-B producers showed a 2-fold greater improvement in serum zonulin — a key marker of intestinal permeability — than UM-A producers. For women dealing with leaky gut, this subgroup may see the most dramatic gut barrier improvements from ellagitannin-rich foods.
• UM-0 non-producers (~10% of people) lack the specific bacterial strains needed for the conversion. They derive almost no benefit from pomegranate or walnuts for this specific pathway — not because the food isn’t good for them in other ways, but because this particular conversion can’t happen without the right microbial machinery.

The clinical implication is profound and, I think, deeply validating for women who have felt like food recommendations “don’t work for them.” Your response to specific foods is partly determined by your current microbiome — which can be changed through diet. A sustained MediterAsian dietary pattern, rich in diverse polyphenols and fermented foods, can shift your metabotype over time by cultivating the bacterial strains needed for these conversions. This is also why working with a dietitian who understands the gut–polyphenol connection matters — a generic “eat more blueberries” recommendation misses the individualized picture entirely.

The Dose That Actually Moves the Needle — And Why Most Women Aren’t Getting There

Here is the piece of information I wish every woman knew before she started trying to eat her way to better health: there are clinically meaningful dose thresholds for polyphenols — and most of us are operating well below them.

The DIRECT-PLUS trial — one of the most important dietary intervention studies for liver and metabolic health published in the last decade — compared a standard Mediterranean diet providing ~440 mg of polyphenols per day to a polyphenol-enriched Green-Mediterranean diet providing ~1,240 mg per day. Both groups lost similar amounts of weight. But their health outcomes were dramatically different:

The dose-response relationship looks like this:

The average American woman currently consumes approximately 223 mg of flavan-3-ols per day — well below even the first clinical threshold. The 1,200 mg total polyphenol target feels distant from there. But it is entirely achievable through food — without supplements, without extreme dietary changes — when you know which foods to prioritize and how to prepare them correctly.

One cup of green tea with lemon alone provides approximately 319 mg of flavan-3-ols. Three to five cups per day gets you to the 1,000+ mg range from a single beverage — before you’ve added berries, olive oil, dark chocolate, or any of the other polyphenol-rich foods that make up the MediterAsian daily pattern.

The Synergy Rules That Double (or Destroy) Your Polyphenol Benefit

This is where clinical nutrition gets genuinely practical — and where I see the biggest opportunity for improvement in almost every client I work with. The polyphenol content of your food is only the starting point. What happens to those polyphenols — whether they reach your gut bacteria intact and active, or whether they’re degraded before they can do anything — depends heavily on how you combine and prepare your food.

The Combinations That Amplify Benefit

The Combinations That Destroy Your Benefit

• Milk in green tea → reduced catechin activity. Casein proteins bind catechins — keep your green tea plain or with lemon only.
• Cooking garlic immediately after crushing → most allicin lost. Crush or mince your garlic and wait 10 minutes before applying heat. This lets the enzymatic reaction that produces allicin — garlic’s primary therapeutic compound — complete before heat destroys the enzyme.
• High-dose polyphenol supplements on an empty stomach → liver injury risk. Green tea extract supplements exceeding 800 mg of EGCG per day have been shown to cause liver enzyme elevations and, in susceptible individuals, acute hepatotoxicity — the risk is highest when taken fasted at high bolus doses. Brewed green tea at any reasonable daily intake has never been associated with liver injury. For women already managing liver concerns, this distinction is safety-critical. It’s exactly why my approach is food first, evidence based — with supplements used only to fill gaps where diet isn’t realistic, because polyphenols are powerful and you don’t want to overdo it.

The Specific Connection to Liver Health and Hormones

I want to bring this back to what matters most for the women I work with — because understanding the mechanism is only useful if it translates to what you actually care about.

For Liver Health

The liver is the primary site where Nrf2 activation from polyphenols matters most. Your liver processes every toxin, hormone, medication, and metabolic byproduct that circulates in your blood, through a two-phase detoxification system — and phase II of that system is directly upregulated by Nrf2 activation. When polyphenols consistently activate Nrf2 through daily food intake, you are actively supporting your liver’s capacity to:

• Clear excess estrogens before they recirculate
• Process environmental chemicals and heavy metals
• Neutralize the byproducts of normal metabolism
• Reduce the inflammatory signaling that drives fatty liver progression

The DIRECT-PLUS trial demonstrated that this effect, at sufficient polyphenol doses, produces a 38.9% reduction in liver fat — a magnitude of improvement that is genuinely difficult to achieve through any other dietary intervention. For women with NAFLD/MASLD, elevated liver enzymes, or sluggish detoxification, this is the most important evidence available.

For Hormonal Balance and Perimenopause

The gut–hormone connection runs through the estrobolome — the community of gut bacteria that regulate estrogen metabolism. When the estrobolome is diverse and well-fed (by polyphenols and fiber together), it maintains healthy beta-glucuronidase activity, supporting the proper excretion of used estrogens rather than their reabsorption.

When the estrobolome is depleted — through low polyphenol intake, low fiber intake, antibiotic use, and the natural microbiome changes of midlife — beta-glucuronidase becomes dysregulated. Estrogens recirculate rather than clearing, which contributes to estrogen dominance, worsening perimenopausal symptoms, and potentially increased risk for hormone-sensitive conditions.

The isoflavones from whole soy foods — a cornerstone of the Asian dietary tradition integrated into the MediterAsian pattern — provide gentle estrogenic activity that can buffer the hormonal fluctuations of perimenopause while supporting the estrobolome. The ellagitannins from walnuts, converted to urolithin A by gut bacteria, support the mitochondrial health of the very cells driving hormonal regulation. And the sulforaphane from cruciferous vegetables directly upregulates the liver enzymes that convert estradiol into less proliferative estrogen metabolites. These aren’t isolated mechanisms — they’re an integrated system, and the MediterAsian dietary pattern addresses all of them simultaneously, through food, every day.

A Realistic Picture of What This Looks Like

I want to be honest with you about something before we close. Reaching 1,200 mg of polyphenols per day through food is achievable — but it requires intention. It does not happen by accident on a standard Western diet. It requires:

• green tea with lemon as a daily anchor habit
• high-quality extra virgin olive oil
• berries
• whole soy foods
• cruciferous vegetables
• walnuts, dark chocolate, and diverse herbs and spices
• fermented foods

None of these are heroic changes. But they are specific, intentional, and consistent. And the research suggests that consistency over months and years is where the meaningful health outcomes live. The gut microbiome does not transform in a week. Liver fat does not resolve in a month. The estrobolome does not rebalance overnight. The clinical trials that produced the most compelling results — DIRECT-PLUS, PREDIMED, COSMOS — were measuring outcomes at 18 months, 4.8 years, and 3.6 years respectively. This is a long game. And it is a game worth playing.

The Hopeful Truth

Here is what I want every woman reading this to hold onto: your gut microbiome is not fixed. Your liver’s capacity to heal is remarkable. Your hormones are responsive to the environment you create for them through food.

The research we now have on polyphenols, the gut–liver axis, and the estrobolome tells a genuinely hopeful story — that the chronic conditions most women are navigating in midlife (fatty liver, gut dysbiosis, hormonal imbalances, chronic inflammation, stubborn metabolic dysfunction) are not simply the inevitable consequences of aging. They are, in large part, the consequences of a food environment that has systematically depleted the polyphenol diversity our bodies were designed to run on. And that means they are, in large part, addressable — through food, through consistency, and through the kind of individualized, evidence-based clinical nutrition support that connects all these dots for your specific body.

The practical takeaway is actually very simple: Eat more plants. Eat more variety. Prepare them correctly. Do it consistently.

It starts with a cup of green tea with lemon in the morning. A drizzle of good olive oil at lunch. A handful of berries without the banana. A miso-glazed piece of salmon with roasted broccoli and mustard dressing for dinner. None of these are dramatic changes — but taken together, consistently, they add up to something the clinical trials have now documented in tens of thousands of people across decades of follow-up.

Keep Reading

• The Food Matrix: Whole Foods vs. Processed Foods
• Urolithin A, the Gut Microbiome & Personalized Nutrition
• 7 Ways to Reset Your Body’s Inflammatory Response
• Probiotics vs Fermented Foods
• The Plastic Paradox
• Boba Drinks
• Pesticides in Your Smoothie?
• Asian Body Type & Diet

Disclaimer: This article is for educational and informational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult your physician or qualified healthcare provider before making significant dietary or lifestyle changes, especially if you are pregnant, breastfeeding, taking medications, or managing a medical condition.

If you want to seek personalized care with group or one-on-one sessions, then contact me here.

If you want to check out labs and supplements, then check out my Fullscript.
I use Fullscript to ensure you receive high-quality, professional-grade supplements. As a practitioner, I receive a margin on products purchased through my dispensary, which supports the time I spend researching these recommendations for you.

Reference List

• The 95% Rule — Polyphenol Bioavailability and Colonic Delivery
• Tarko T, Duda-Chodak A. Influence of Food Matrix on the Bioaccessibility of Fruit Polyphenolic Compounds. Journal of Agricultural and Food Chemistry. 2020.
• Bohn T. Dietary Factors Affecting Polyphenol Bioavailability. Nutrition Reviews. 2014.
• Cheng B, Feng H, Li C, Jia F, Zhang X. The Mutual Effect of Dietary Fiber and Polyphenol on Gut Microbiota. Carbohydrate Polymers. 2025.
• Gut Microbiome and Polyphenols
• Cheng H, Zhang D, Wu J, et al. Interactions Between Gut Microbiota and Polyphenols: A Mechanistic and Metabolomic Review. Phytomedicine. 2023.
• Rakhra G, Malhotra R, Prasad P, et al. Synergistic Effects of Polyphenols and Gut Microbiota-Derived Metabolites on Inflammation and Metabolic Syndrome. Molecular Nutrition & Food Research. 2026.
• Loo YT, Howell K, Chan M, Zhang P, Ng K. Modulation of the Human Gut Microbiota by Phenolics and Phenolic Fiber-Rich Foods. Comprehensive Reviews in Food Science and Food Safety. 2020.
• Pais ACS, Ribeiro TB, Coscueta ER, et al. Phenolic Compounds’ Impact on Gut Microbiota: Insights From In Vitro Batch Fecal Fermentation for Composition Modulation. Food Research International. 2026.
• Nrf2, NF-κB and Polyphenol Mechanisms
• Rudrapal M, Khairnar SJ, Khan J, et al. Dietary Polyphenols and Their Role in Oxidative Stress-Induced Human Diseases. Frontiers in Pharmacology. 2022.
• Li S, Tan HY, Wang N, et al. The Potential and Action Mechanism of Polyphenols in the Treatment of Liver Diseases. Oxidative Medicine and Cellular Longevity. 2017.
• Brimson JM, Prasanth MI, Malar DS, et al. Plant Polyphenols for Aging Health: Implication From Their Autophagy Modulating Properties. Pharmaceuticals. 2021.
• Metabotypes and Urolithin A
• Rodríguez-Daza MC, Daoust L, Boutkrabt L, et al. Wild Blueberry Proanthocyanidins Shape Distinct Gut Microbiota Profile and Influence Glucose Homeostasis. Scientific Reports. 2020.
• Morissette A, Kropp C, Songpadith JP, et al. Blueberry Proanthocyanidins and Anthocyanins Improve Metabolic Health Through a Gut Microbiota-Dependent Mechanism. American Journal of Physiology — Endocrinology and Metabolism. 2020.
• DIRECT-PLUS Trial — Liver Fat and Polyphenol Dosing
• Ottaviani JI, Schroeter H, Bier DM, et al. The Overlooked Impact of Background Diet and Adherence in Nutrition Trials. Food & Function. 2025.
• COSMOS Trial — Cardiovascular Outcomes
• Sesso HD, Manson JE, Aragaki AK, et al. Effect of Cocoa Flavanol Supplementation for the Prevention of Cardiovascular Disease Events: The COSMOS Randomized Clinical Trial. The American Journal of Clinical Nutrition. 2022;115:1490–1500.
• Ogata S, Manson JE, Rist PM, et al. Cocoa Flavanol Supplementation and Prevention of Cardiovascular Disease: A Novel Analysis of the COSMOS Randomized Trial Using “Win Ratio.” European Journal of Epidemiology. 2026.
• Li S, Hamaya R, Zhu H, et al. Effects of 2-Year Cocoa Extract Supplementation on Inflammaging Biomarkers in Older US Adults: Findings From the COSMOS Randomised Clinical Trial. Age and Ageing. 2025.
• Academy of Nutrition and Dietetics Guideline
• Crowe-White KM, Evans LW, Kuhnle GGC, et al. Flavan-3-Ols and Cardiometabolic Health: First Ever Dietary Bioactive Guideline. Advances in Nutrition. 2022;13:2070–2083.
• PREDIMED Trial
• Martínez-González MA, Salas-Salvadó J, Estruch R, et al. Benefits of the Mediterranean Diet: Insights From the PREDIMED Study. Progress in Cardiovascular Diseases. 2015.
• Tresserra-Rimbau A, Rimm EB, Medina-Remón A, et al. Inverse Association Between Habitual Polyphenol Intake and Incidence of Cardiovascular Events in the PREDIMED Study. Nutrition, Metabolism, and Cardiovascular Diseases. 2014.
• Tresserra-Rimbau A, Medina-Remón A, Pérez-Jiménez J, et al. Dietary Intake and Major Food Sources of Polyphenols in a Spanish Population at High Cardiovascular Risk: The PREDIMED Study. Nutrition, Metabolism, and Cardiovascular Diseases. 2013.
• Domínguez-López I, Galkina P, Fernández-Duval G, et al. Urinary Polyphenol Signature of the Mediterranean Diet Is Associated With Lower Cardiovascular Disease Risk: The PREDIMED Trial. BMC Medicine. 2025.
• Food Synergy and Preparation
• Ottaviani JI, Ensunsa JL, Fong RY, et al. Impact of Polyphenol Oxidase on the Bioavailability of Flavan-3-ols in Fruit Smoothies: A Controlled, Single Blinded, Cross-over Study. Food & Function. 2023;14:8217–8228.
• Zhang H, Yu D, Sun J, et al. Interaction of Plant Phenols With Food Macronutrients. Nutrition Research Reviews. 2014.
• Green Tea — Bioavailability, Safety, and Drug Interactions
• Neyestani TR, Nikooyeh B. A Comprehensive Overview on the Effects of Green Tea on Anthropometric Measures, Blood Pressure, Glycemic and Lipidemic Status: An Umbrella Review. Nutrition, Metabolism, and Cardiovascular Diseases. 2022.
• Kyriacou NM, Gross AS, McLachlan AJ. Green Tea Catechins as Perpetrators of Drug Pharmacokinetic Interactions. Clinical Pharmacology and Therapeutics. 2025.
• Misaka S, Yatabe J, Müller F, et al. Green Tea Ingestion Greatly Reduces Plasma Concentrations of Nadolol in Healthy Subjects. Clinical Pharmacology and Therapeutics. 2014.
• Younes M, Aggett P, Aguilar F, et al. Scientific Opinion on the Safety of Green Tea Catechins. EFSA Journal. 2018.
• Fontana RJ, Liou I, Reuben A, et al. AASLD Practice Guidance on Drug, Herbal, and Dietary Supplement-Induced Liver Injury. Hepatology. 2023.
• Olive Oil Polyphenols
• López-Huertas E, Lozano-Sánchez J, Segura-Carretero A. Olive Oil Varieties and Ripening Stages Containing the Antioxidants Hydroxytyrosol and Derivatives. Food Chemistry. 2021.
• Criado-Navarro I, López-Bascón MA, Priego-Capote F. Evaluating the Variability in the Phenolic Concentration of Extra Virgin Olive Oil. Journal of Agricultural and Food Chemistry. 2020.
• Martínez-González MA, Sayón-Orea C, Bullón-Vela V, et al. Effect of Olive Oil Consumption on Cardiovascular Disease, Cancer, Type 2 Diabetes, and All-Cause Mortality: A Systematic Review and Meta-Analysis. Clinical Nutrition. 2022.
• Anthocyanins
• Sandoval-Ramírez BA, Catalán Ú, Llauradó E, et al. The Health Benefits of Anthocyanins: An Umbrella Review. Nutrition Reviews. 2022.
• Liu X, Ge K, Shi H, Yao Z, Zhang Z. Effects of Anthocyanins on Human Health: An Umbrella Review. Food & Function. 2025.
• Pan J, Liang J, Xue Z, Meng X, Jia L. Effect of Dietary Anthocyanins on the Risk Factors Related to Metabolic Syndrome: A Systematic Review and Meta-Analysis. PLoS One. 2024.
• Soy Isoflavones and Women’s Health
• Naghshi S, Tutunchi H, Yousefi M, et al. Soy Isoflavone Intake and Risk of Cardiovascular Disease in Adults: A Systematic Review and Dose-Response Meta-Analysis. Critical Reviews in Food Science and Nutrition. 2024.
• Kokubo Y, Iso H, Ishihara J, et al. Association of Dietary Intake of Soy, Beans, and Isoflavones With Risk of Cerebral and Myocardial Infarctions in Japanese Populations: The JPHC Study. Circulation. 2007.
• Messina M, Barnes S, Setchell KD. Perspective: Isoflavones — Intriguing Molecules. Advances in Nutrition. 2025.
• Dietary Fiber and Microbiome
• So D, Whelan K, Rossi M, et al. Dietary Fiber Intervention on Gut Microbiota Composition in Healthy Adults: A Systematic Review and Meta-Analysis. The American Journal of Clinical Nutrition. 2018.
• Baxter NT, Schmidt AW, Venkataraman A, et al. Dynamics of Human Gut Microbiota and Short-Chain Fatty Acids in Response to Dietary Interventions With Three Fermentable Fibers. mBio. 2019.
• Food vs. Supplements
• Kiyimba T, Yiga P, Bamuwamye M, et al. Efficacy of Dietary Polyphenols From Whole Foods and Purified Food Polyphenol Extracts in Optimizing Cardiometabolic Health: A Meta-Analysis of Randomized Controlled Trials. Advances in Nutrition. 2023.
• Iron Absorption
• von Siebenthal HK, Moretti D, Zimmermann MB, Stoffel NU. Effect of Dietary Factors and Time of Day on Iron Absorption From Oral Iron Supplements in Iron Deficient Women. American Journal of Hematology. 2023.
• Xu T, Zhang X, Liu Y, et al. Effects of Dietary Polyphenol Supplementation on Iron Status and Erythropoiesis: A Systematic Review and Meta-Analysis. The American Journal of Clinical Nutrition. 2021.
• MediterAsian Diet Framework
• Pallauf K, Giller K, Huebbe P, Rimbach G. Nutrition and Healthy Ageing: Calorie Restriction or Polyphenol-Rich “MediterrAsian” Diet? Oxidative Medicine and Cellular Longevity. 2013.
• Guasch-Ferré M, Merino J, Sun Q, Fitó M, Salas-Salvadó J. Dietary Polyphenols, Mediterranean Diet, Prediabetes, and Type 2 Diabetes: A Narrative Review. Oxidative Medicine and Cellular Longevity. 2017.
• Flavonoid Mortality Data
• Grosso G, Micek A, Godos J, et al. Dietary Flavonoid and Lignan Intake and Mortality in Prospective Cohort Studies: Systematic Review and Dose-Response Meta-Analysis. American Journal of Epidemiology. 2017.