perimenostage

Last checked September 2026 against 12 sources · Editorial policy

9 foods that fight hot flashes (and foods that trigger them)

Soy foods have the best evidence among foods that fight hot flashes: soy isoflavones cut hot flash frequency by 20.6% vs placebo in a meta-analysis. The 9 best-supported foods are soybeans, soy milk, fruit, vegetables, whole grains, beans, peas, lentils and unsalted nuts, the core of Mediterranean-style eating, which is linked with fewer hot flashes. Common triggers include caffeine, alcohol, hot drinks and spicy food. Flaxseed worked no better than placebo.

Soy foods ease hot flashes modestly and Mediterranean eating is linked to fewer; caffeine, alcohol, hot drinks and spicy food can trigger them. Flaxseed didn't beat placebo.

Foods for hot flashes: expectation vs reality

What people often expect

“Eating the right foods will stop my hot flashes”

What the evidence shows

Food can nudge hot flashes, but a 2026 review found nutrition's effects on them modest and inconsistent. The North American Menopause Society doesn't recommend diet changes or avoiding triggers as hot flash treatments. Diet is worth trying alongside, not instead of, effective treatment if hot flashes disrupt your life.

How food affects hot flashes

Soy foods for hot flashes: edamame and tofu

A meta-analysis of 17 trials found soy isoflavones, a median of 54 mg a day for 6 weeks to 12 months, reduced hot flash frequency by 20.6% and severity by 26.2% compared with placebo. Those trials used extracted isoflavones rather than whole foods. NCCIH says soy may reduce hot flashes, but the effect may be small and results aren't fully consistent.

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Plant-based diet with soybeans

In the 12-week WAVS trial, 38 postmenopausal women with at least two hot flashes a day ate a low-fat vegan diet with half a cup (86 g) of cooked soybeans daily or made no changes. Total hot flashes fell 79% with the diet and 49% without it, and 59% of women on the diet became free of moderate to severe hot flashes.

Mediterranean diet for hot flashes

In an Australian study that followed 6,040 midlife women for 9 years, those eating the most Mediterranean-style or fruit-rich diets were less likely to report hot flashes and night sweats than those eating the least, with odds ratios of 0.80 and 0.81. A high-fat, high-sugar diet had an odds ratio of 1.23. This was an observational study, so it can't prove cause.

Sugar and hot flashes

The high-fat, high-sugar eating pattern in the Australian study was associated with more hot flashes and night sweats. The British Dietetic Association says more whole grains, fruit and vegetables and less fat moderately reduced hot flashes in studies, with larger effects in women who also lost weight.

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Foods and drinks that trigger hot flashes

The NHS suggests avoiding or reducing potential triggers such as spicy food, caffeine, hot drinks, smoking and alcohol, and trying a cold drink during a flush. The British Dietetic Association lists caffeine in coffee, tea and hot chocolate, alcohol, and spicy foods and curries. Keeping a diary can show whether these affect you.

Caffeine and hot flashes

In a Mayo Clinic survey of 1,806 women, caffeine users reported more bothersome hot flashes and night sweats than non-users, even after accounting for smoking and menopause status. It's an association, not proof that caffeine causes them, but cutting back is a low-risk experiment.

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Alcohol and hot flashes

The British Dietetic Association says alcohol can make hot flashes and night sweats worse. Studies disagree: one study of midlife women found current alcohol users had fewer and less severe hot flashes than non-drinkers. Watch your own pattern, and keep alcohol within safe limits.

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Flaxseed for hot flashes

Flaxseed is a phytoestrogen source often recommended for hot flashes, but NCCIH says studies of flaxseed products found them no more effective than placebo. Phytoestrogens appear safe short term but may not be safe for women who shouldn't take estrogen.

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Food and hot flashes by the numbers

From the studies on this page

  • fewer hot flashes with soy isoflavones vs placebo in a meta-analysis

    20.6%

  • fewer hot flashes on a low-fat vegan diet with daily soybeans, vs 49% with no change

    79%

6,040

women in a study linking Mediterranean-style eating to fewer hot flashes

1,806

women in a survey linking caffeine to more bothersome hot flashes

The vegan-soy trial had only 38 women and no placebo diet, so results need confirming.

Foods and drinks that help hot flashes

  • Soy foods daily: edamame, tofu, soy milk

    Some evidence

    Isoflavones modestly cut hot flash frequency; try them daily for 2 to 3 months, as the British Dietetic Association suggests.

    Related guide →
  • Mediterranean-style eating

    Limited evidence

    Linked with fewer hot flashes in a large study, and supports heart and bone health.

    Related guide →
  • Cold drinks during a flush

    Limited evidence

    The NHS suggests a cold drink, cool shower or fan when a hot flash starts.

  • Less caffeine, alcohol and spicy food

    Limited evidence

    Common triggers; NAMS says avoiding triggers hasn't been proven to reduce hot flashes, so test it on yourself.

  • Flaxseed

    No good evidence

    No more effective than placebo for hot flashes in studies.

    Related guide →
  • HRT or non-hormonal medicines

    First step

    HRT remains the most effective hot flash treatment; fezolinetant, SSRIs, SNRIs and gabapentin are recommended alternatives.

    Related guide →

When hot flashes need more than diet changes

  • Hot flashes disrupting sleep, work or mood

    Ask about HRT or prescription non-hormonal medicines.

    More →
  • Sweats with fever, cough, diarrhea or unexplained weight loss

    See a doctor to rule out causes other than menopause.

    More →
  • History of breast cancer

    Check soy and isoflavone supplements with your oncology team.

Foods and hot flashes: questions women ask

What are 9 foods that fight hot flashes?

Soybeans, soy milk, fruit, vegetables, whole grains, beans, peas, lentils and unsalted nuts have the most support. Effects are modest, and no food list is proven to stop hot flashes.

What foods help reduce hot flashes?

Soy foods have the best evidence, followed by a Mediterranean-style, fruit- and vegetable-rich diet. Effects are modest.

What foods trigger hot flashes?

Common triggers are caffeine, alcohol, hot drinks and spicy foods. A high-fat, high-sugar diet was also linked with more hot flashes.

What can I drink to reduce hot flashes?

A cold drink can help during a flush. Swapping coffee and alcohol for water or caffeine-free drinks may help if caffeine or alcohol triggers you.

Does edamame help hot flashes?

Edamame is whole soy. Soy isoflavones cut hot flash frequency by 20.6% in a meta-analysis, though trials used extracts, not whole foods.

Can sugar cause hot flashes?

A high-fat, high-sugar eating pattern was linked with more hot flashes in a large observational study (odds ratio 1.23). That doesn't prove sugar causes them.

Does the Mediterranean diet help hot flashes?

Women eating the most Mediterranean-style diets had fewer hot flashes and night sweats in an Australian study of 6,040 women.

Does caffeine make hot flashes worse?

Caffeine users reported more bothersome hot flashes in a Mayo Clinic survey, and the NHS lists caffeine as a possible trigger.

Can food prevent hot flashes?

No food reliably prevents hot flashes. Soy and a Mediterranean-style diet are linked with modestly fewer, and avoiding your personal triggers may help.

Sources

  1. Taku K, Melby MK, Kronenberg F, et al. Extracted or synthesized soybean isoflavones reduce menopausal hot flash frequency and severity: systematic review and meta-analysis of randomized controlled trials. Menopause. 2012;19(7):776-90.
  2. British Dietetic Association. Eating well for the perimenopause and menopause (food fact sheet).
  3. Herber-Gast GC, Mishra GD. Fruit, Mediterranean-style, and high-fat and -sugar diets are associated with the risk of night sweats and hot flushes in midlife: results from a prospective cohort study. Am J Clin Nutr. 2013;97(5):1092-9.
  4. NHS. Things you can do to help menopause and perimenopause symptoms.
  5. National Center for Complementary and Integrative Health. Menopausal symptoms: in depth.
  6. Baraut MC. Nutrition during the menopausal transition: Current evidence, health trajectories and clinical implications. Clin Nutr ESPEN. 2026;75:103405.
  7. The North American Menopause Society. The 2023 nonhormone therapy position statement of The North American Menopause Society. Menopause. 2023;30(6):573-590.
  8. National Center for Complementary and Integrative Health. Soy: usefulness and safety.
  9. Barnard ND, Kahleova H, Holtz DN, et al. The Women's Study for the Alleviation of Vasomotor Symptoms (WAVS): a randomized, controlled trial of a plant-based diet and whole soybeans for postmenopausal women. Menopause. 2021;28(10):1150-1156.
  10. Faubion SS, Sood R, Thielen JM, et al. Caffeine and menopausal symptoms: what is the association? Menopause. 2015;22(2):155-8.
  11. Schilling C, Gallicchio L, Miller SR, et al. Current alcohol use is associated with a reduced risk of hot flashes in midlife women. Alcohol Alcohol. 2005;40(6):563-8.
  12. NHS. Night sweats.

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