6 Foods That Decrease Estrogen

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Cruciferous vegetables contain high levels of phytochemicals that can block estrogen production.
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The female sex hormone estrogen helps usher in puberty, regulates your menstrual periods and even keeps your bones and heart strong, among other functions, but too much can lead to a host of problems. Tweaks to your diet might help.

Too Much Estrogen?

More estrogen than you need can result in weight gain, menstrual problems, extreme premenstrual syndrome, non-cancerous breast lumps, fatigue, low libido, depression and anxiety, among other symptoms, according to the Endocrine Society.

Changing your diet may help improve some of these symptoms. But first things first, cautions Mache Seibel, MD, a Boston-based obstetrician/gynecologist and member of the Harvard University medical faculty. "If you are trying to lower your levels of estrogen, you need a proper diagnosis," says Dr. Seibel, author of The Estrogen Window and The Estrogen Fix.

Talk to your doctor about any symptoms you think may be caused by too much estrogen. "They may not be related to estrogen levels at all," he cautions. Your doctor can also order a blood test to see where you stand, he says.

If your estrogen levels are too high, consuming these six categories of estrogen-blocker foods as part of a healthy, well-balanced diet may help lower them.

1. Edamame

Soybeans are rich in isoflavones, which can act like a weak estrogen in some women and block estrogen in others. "Soy is a smart estrogen, which means it can work as an estrogen or an anti-estrogen, depending on how much of the hormone your body is producing," Dr. Seibel explains. There used to be concern that eating soy, because of its potential estrogenic properties, may increase risk for breast cancer, but studies have largely debunked this theory, according to the Mayo Clinic.

2. Cruciferous Veggies

Crunchy cruciferous vegetables — particularly broccoli, cabbage and cauliflower — contain a high level of phytochemicals that can block estrogen production, Dr. Seibel says. In fact, women who eat a vegetarian diet have up to 20 percent lower blood levels of estrogen than their meat-eating counterparts, according to the University of Wisconsin-Madison School of Medicine and Public Health.

Read more: What Are Cruciferous Vegetables and Their Health Benefits?

3. Whole Grains

Women who are overweight or obese have more estrogen because fat cells produce estrogen, Dr. Seibel explains. Fiber makes you feel full faster and can play an important role in weight loss, and whole grains such as brown rice, quinoa, oats and barley are chock-full of fiber.

In addition, a fiber-rich diet decreases the amount of estrogen absorbed and increases the amount of estrogen excreted from the body, notes the University of Wisconsin-Madison. The Academy of Nutrition and Dietetics suggests aiming for about 25 grams of fiber each day.

4. Flaxseeds

These tiny powerhouses are loaded with lignans, phytoestrogens or plant-based estrogens, says Dr. Seibel. Flaxseed might have an anti-estrogen effect, according to the Mayo Clinic. Add a tablespoon of ground flaxseed to your oatmeal each morning to start reaping the benefit today, the Mayo Clinic suggests.

5. Salmon

When you're stressed, your body responds by cranking up production of the stress hormone cortisol, which is made from precursors to another sex hormone called progesterone. This may disrupt the delicate balance of estrogen and progesterone in the body, and it's this imbalance that can lead to weight gain, mood changes and other symptoms of estrogen dominance, Dr. Seibel explains. Cortisol is also inflammatory.

Salmon and other fatty fish are loaded with omega-3 fatty acids that cool inflammation. The American Heart Association recommends that you eat fatty fish — which also include tuna, mackerel, herring and lake trout — at least twice a week to get the anti-inflammatory benefits. Omega-3 fatty acids are also good source of lignans, compounds that may lower or block the effects of estrogen in some tissue, according to the Linus Pauling Institute at Oregon State University.

Read more: Are Canned Salmon & Tuna Good Sources of Omega-3?

6. Mushrooms

Mushrooms may reduce the production of an enzyme called aromatase, which converts the hormone androgen to estrogen, Dr. Seibel says. They are also low in calories and loaded with nutrients, including potassium and B-complex vitamins, such as riboflavin, niacin and pantothenic acid, the Academy of Nutrition and Dietetics states.

Is This an Emergency?

To reduce the risk of spreading COVID-19 infections, it is best to call your doctor before leaving the house if you are experiencing a high fever, shortness of breath or another, more serious symptom.
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