If menopause wasn’t bad enough, there’s a little something called perimenopause. Which is sort of like menopause’s appetizer (or amuse bouche for those who prefer the fancier names for appetizers.) Perimenopause usually starts around age 42, which is about eight years before most women expect to start feeling the effects of early menopause. And what happens with those first eight-to-ten years of perimenopause is that your estrogen starts to get effected. But to make it more fun (doesn’t nature love playing games on women?) your estrogen doesn’t just go in straight decline. It tends to go in swings. Meaning it’s up and down. So you never really know what to expect.
And because it’s not a linear decline, those swings typically get written off as stress. But what happens is you experience things like brain fog, your skin doesn’t bounce back the way it used to (and neither does your waistline.)
But there is a some good news. Your body is still strong in your 40s. And foods are great tools to combat the effects of perimenopause. Here’s a list of foods that can help have positive effects on estrogen, as well as metabolism, inflammation collagen production and brain function. This isn’t just your standard “eat more vegetables” list. This is real advice backed by data. Dig in!
10. Pumpkin Seeds
What this does: Provides zinc, magnesium, and tryptophan to support hormone synthesis, sleep quality, and immune resilience during perimenopause.
“Pumpkin seeds are the superstar when it comes to magnesium.”
Pumpkin seeds are great because they have a ton of nutrients packed into these little seeds. One ounce alone has about 2.2mg of zinc, which is about 27% of the daily target for women. It also has a ton of magnesium and tryptophan. And all three of those can help your immune system, sleep quality and regulating your hormones. Add them to your daily intake.
Zinc is required for the synthesis of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) — the pituitary hormones that regulate the menstrual cycle. As cycles become irregular in perimenopause, adequate zinc ensures the hormonal signaling infrastructure remains intact. Zinc also supports T-cell function and skin barrier integrity, both of which decline with age and oxidative stress. Research in postmenopausal women shows that zinc supplementation improves bone density markers — suggesting that the perimenopause window is the right time to optimize zinc status before bone loss accelerates.
Even a small daily handful of pumpkin seeds can give you all its benefits, especially when you pair it with a complex carb like rices, beans or veggies.
The Greenest Recommends
- Nuts.com Organic Hulled Pumpkin Seeds (2 lb) — hull-free pepitas — ready to go straight into salads, oatmeal, or smoothies; excellent source of zinc and plant-based magnesium
9. Fermented Foods
What this does: Supports the estrobolome — the gut microbial community that regulates estrogen recirculation — to improve hormonal clearance and reduce symptom severity.
“Some of the metabolites we find in the sauerkraut are the same kind of metabolites we’re finding to be made by the gut microbiome, so that gives us a little more confidence that this connection we found between the metabolites in sauerkraut and good gut health makes sense… We should be thinking about including these fermented foods in our regular diets and not just as a side on our hot dogs.”
Fermented foods — kimchi, sauerkraut, miso, kefir, plain yogurt with live cultures — introduce beneficial Lactobacillus and Bifidobacterium species that stabilize gut microbial diversity and modulate beta-glucuronidase activity. A 2021 Stanford study published in Cell found that high-fermented-food diets increased microbiome diversity and reduced 19 inflammatory proteins in 10 weeks — a faster and more significant effect than high-fiber diets alone.
Variety matters more than volume. Rotating between kimchi, kefir, and miso exposes your gut to different bacterial strains. Just keep eating it.
The Greenest Recommends
- Garden of Life Dr. Formulated Women’s Probiotic (50B CFU) — 16 clinically studied strains including L. reuteri and L. fermentum — the most reliable daily backup when fermented foods aren’t on the menu
8. Eggs
What this does: Delivers choline and complete protein to support cognitive function, neurotransmitter production, and muscle maintenance during perimenopause.
“Choline is the nutrient that we never knew humans needed until 1998… For the first time we have shown that the very structure of brain is influenced by what the mothers eat during pregnancy and that this specific nutrient choline appears to be critical.”
The reason eggs belong on this list — framed specifically for women in their 40s — is choline. The yolk is one of the only significant dietary sources of choline, a nutrient that 90% of American women do not get enough of. Choline is required to synthesize acetylcholine, the neurotransmitter central to memory encoding, attention, and learning. Brain fog in perimenopause is partly a choline story: estrogen upregulates choline acetyltransferase activity, and as estrogen fluctuates downward, choline demand increases at the same time dietary intake tends to be insufficient.
Adequate choline intake is also essential for the PEMT pathway — the metabolic route that converts phosphatidylethanolamine to phosphatidylcholine in cell membranes. Membrane fluidity affects how efficiently mitochondria produce ATP, which directly influences the energy crashes many perimenopausal women report.
Scrambled, poached, or hard-boiled it’s all good. The cooking method matters less than the consistency.
7. Green Tea
What this does: Delivers EGCG and L-theanine to reduce cortisol reactivity, support cognitive clarity, and protect against oxidative stress at the cellular level.
“Studies have shown that topical application of green tea extract can reduce sun damage and can help prevent photoaging as well as melanoma and non-melanoma skin cancer… EGCG is a polyphenol that studies have shown can help reduce sebum production and acne.”
Green tea contains two compounds that work synergistically in ways that matter specifically in your 40s. EGCG (epigallocatechin gallate) is the most studied polyphenol in green tea. It inhibits inflammatory signaling pathways, protects mitochondria from oxidative damage, and activates AMPK, an enzyme that regulates cellular energy production. And green tea can produce a state of calm alertness without sleepiness.
The Greenest Recommends
- Ito En Oi Ocha Unsweetened Green Tea (pack of 12) — the authentic Japanese RTD green tea — zero sugar, no brewing required, and research on EGCG content has specifically used this style of preparation
6. Dark Leafy Greens
What this does: Supplies magnesium, folate, and iron in forms that support energy metabolism, neurotransmitter synthesis, and bone preservation in your 40s.
“This book tells the story of that journey and explains how and why we should consider our food as the basis of our mental and brain health throughout our lives.”
Dark leafy greens are basically a superfood. Things like spinach, swiss chard, collard greens, arugula…they all are great for women in their 40s because they have a ton of magnesium. And magnesium can help with sleep quality, cortisol issues, cramps (muscle), bone loss and a few other things. The thing is, estrogen usually helps regulate the magnesium in your body, so when your estrogen fluctuates, the amount of magnesium in you can get a little less stable.
One note about spinach. It contains a lot of something called oxalates. Oxalates are like little trains that can carry certain good nutrients out of your body before it has a chance to absorb it. So it’s important to mix up the greens. This isn’t to say you should not eat spinach. Spinach is still great for you! But make sure you work in some kale and swiss chard etc. They may have a little less magnesium, but you tend to absorb more because they have fewer oxalates.
Another really big key in these leafy greens is iron. As you get closer to menopause, you will tend to get heavier periods. Which means you will lose more iron than normal. One important note! Adding lemon to these leafy greens helps you absorb their iron. Make sure you do that! But these greens can help you supplement iron in addition to all the other great things they have for you.
Last but not least, leafy greens also have a ton of folate. Folate helps regulate your mood. Which is always an issue during perimenopause and menopause.
The Greenest Recommends
- Amazing Grass Organic Green Superfood Powder — concentrated kale, spinach, spirulina, and chlorella — a reliable bridge on days when fresh greens don’t make it onto the plate
5. Flaxseed
What this does: Provides lignans and ALA omega-3s that modulate estrogen activity and support hormone balance during perimenopause.
“Lignan has characteristics that are similar to estrogen… [Flaxseed] contains 75 to 800 times more lignan than any other plant food.”
Flaxseed is the richest dietary source of lignans — plant compounds that bind to estrogen receptors and exert a weak estrogenic or anti-estrogenic effect depending on the hormonal environment. During perimenopause, when endogenous estrogen fluctuates unpredictably, dietary lignans can buffer those swings. They compete with stronger estrogens at receptor sites when estrogen is high, and provide mild receptor stimulation when estrogen is low.
The dose in most research is two to four tablespoons of ground flaxseed daily — ground rather than whole, because whole seeds pass through the digestive tract largely unabsorbed.
Flaxseed also provides alpha-linolenic acid (ALA), the plant-based omega-3 that the body can partially convert to EPA. While conversion efficiency is limited, ALA independently reduces inflammatory cytokines and supports cardiovascular health. Add ground flaxseed to oatmeal, smoothies, or yogurt. Store it in the refrigerator after grinding — the oils oxidize quickly at room temperature.
The Greenest Recommends
- Healthworks Organic Ground Flaxseed Meal (3 lb) — pre-ground so the cell walls are already broken — essential for lignan and ALA absorption, which whole seeds pass through largely intact
4. Mixed Berries
What this does: Delivers anthocyanins and ellagic acid to protect collagen cross-links, reduce oxidative stress, and support vascular integrity.
“We showed for the first time that a regular sustained intake of anthocyanins from berries can reduce the risk of a heart attack by 32% in young and middle-aged women… We were surprised at the magnitude of the effect.”
Blueberries get most of the attention, but the most protective berry strategy in your 40s is variety. Strawberries, blackberries, raspberries, and açaí each contain distinct combinations of polyphenols that target different pathways. As you get older your skin elasticity correlates directly with the rate of collagen breakdown. And chronic low-grade inflammation speeds that process way up. The compounds in these berries bind to collagen fibers and inhibit the enzymes that degrade them, keeping your skin more elastic.
One cup of mixed berries daily is the goal. Frozen is nutritionally equivalent to fresh and often superior in off-season months because berries are frozen at peak ripeness.
The Greenest Recommends
- ÖSEL BERRY Organic Unsweetened Wild Blueberries — 100% wild-harvested, no added sugar — wild varieties contain up to 3× the anthocyanins of cultivated; shelf-stable for year-round use
3. Cruciferous Vegetables
What this does: Supplies DIM and indole-3-carbinol to support estrogen metabolism, reducing the risk of estrogen dominance during perimenopause.
“Cruciferous vegetables rich in sulforaphane help phase 2 of liver detox, as well as the allium vegetables that helped me produce glutathione — together these foods helped me detoxify and respond better.”
Broccoli, Brussels sprouts, cauliflower, cabbage, and kale all contain something called glucosinolates. These compounds influence how the liver processes estrogen — specifically, whether estrogen is converted to weaker, safer metabolites or to more potent forms associated with hormone-sensitive tissue proliferation.
You do not need a supplement if you eat cruciferous vegetables consistently. Two to three servings per week provides clinically relevant amounts of glucosinolates. Lightly steam or stir-fry rather than boil — prolonged water cooking leaches glucosinolates before they can be absorbed.
The Greenest Recommends
- Swanson Sulforaphane from Broccoli Sprouts (60 capsules) — concentrated sulforaphane — the most-studied cruciferous compound for estrogen metabolism and cellular protection, in the form used in human trials
2. Avocado
What this does: Provides monounsaturated fats, potassium, and folate to support skin elasticity, hormone synthesis, and cardiovascular stability.
“Eating an avocado on toast instead of mayonnaise spread, or having half an avocado for snack, replaces artery-clogging fats with a super-buttery, creamy and tasty spread… [Avocado] is another potassium powerhouse and delivers a variety of other heart-healthy vitamins, minerals, phytonutrients and monounsaturated fat.”
Avocados are on this list for three primary reasons. First, potassium. Think of potassium as the opposite of salt. While salt makes your body hold onto water (which can push your blood pressure up), potassium helps you flush that extra salt out. And sin ce most people eat more salt than potassium, it can cause issues. Especially in women in their 40s as estrogen fluctuations start to mess with how much sodium you hold onto.
Second, is folate. Folate is not just a pregnancy nutrient. Folate is a super big help for regulating mood. It does that during pregnancy. But it never stopped doing that. And perimenopause and menopause make that a potentially even bigger issue.
Third, and this one might be the most important overall. A lot of the good things in vegetables only get absorbed in your body when they are mixed with fat. The pigments in things like tomatoes, carrots and leafy greens (which are the main reasons you’re eating the salad in the first place) need to fats to have your body absorb and hold onto them. So adding a half of an avocado to a salad makes the salad exponentially more nutritious for you.
Add avocado to salads with leafy greens and you increase the bioavailability of lutein and beta-carotene by two to four times, according to research from Ohio State University.
The Greenest Recommends
- Chosen Foods 100% Pure Avocado Oil (16.9 fl oz) — cold-pressed with a naturally high smoke point — swaps in anywhere you’d use olive oil without the oxidation risk at higher heat
1. Wild Salmon
What this does: Delivers omega-3 fatty acids and astaxanthin to support brain function, mood stability, and inflammation control during hormonal fluctuation.
“Our research suggests that women can reduce their risk of heart disease by more than 30 percent by eating fish two to four times a week.”
By now you know that salmon is good for you. It has a ton of omega-3s, which help your brain as well as your mood (among a ton of other things.) But what sets wild salmon apart and makes it more important for women in their 40s is something called astaxanthin. (Would it kill these scientists to give these things names that are easier to say and spell?)
Here’s why astaxanthin is important. There’s this thing called the blood-brain barrier. Which is designed to keep out bad stuff from your brain like toxins and bacteria. The problem is that it also keeps good stuff out. But astaxanthin is one of the good things it lets in. And it’s good because it helps neutralize oxidative damage in your brain’s neural tissues right at the source. Farmed salmon doesn’t have nearly as much as wild.
And what’s even better is canned wild salmon still has all these benefits at a fraction of the cost. See below for our favorite pick.
The Greenest Recommends
- Chicken of the Sea Alaskan Pink Salmon (12-pack) — wild-caught Alaskan salmon in water — no fillers, omega-3s and astaxanthin intact; stock the pantry so it’s always within reach
A Note on Whole Foods vs. Supplements
While it’s true that all the nutrients on this list are available as over the counter supplements. But getting these from your diet is so much healthier. Think of your diet as a giant food matrix. You don’t just get the lignans in the flaxseed. You also get fiber and phytosterols and a lot of other things we can’t spell, but are super good for you. A great diet is greater than the sum of it’s nutrient parts!
“Generally, I don’t suggest the use of vitamin supplements unless there is a specific reason to do so.”
Christine Morgan is a Registered and Licensed Dietitian who currently practices in dialysis. Her experience includes renal nutrition, food service, and geriatrics. Her education includes a Bachelor of Science in Nutrition and Dietetics from West Chester University of Pennsylvania, and she completed her Dietetic Internship with the University of Delaware. She is also a member of the Tri-State Renal Dietitians Association.
Is your neighborhood healthy?
Get a free report on your tap water, air quality, walkability and more
