Best Supplements for Women Over 40

47,000+ trials analyzed
59,000+ interactions
Not FDA evaluated

Perimenopause and beyond: evidence-based supplements for hormonal transition, bone health, heart protection, and graceful aging.

Quick Answer

Top 3 supplements for women over 40: Vitamin D3 + K2, Calcium (Citrate), Magnesium Glycinate. These address the most common deficiencies and health concerns for this group.

Perimenopause symptoms
Bone density loss
Heart health
Cognitive function
Skin aging

Common Deficiencies in Women Over 40

Understanding which nutrients women over 40 commonly lack helps prioritize supplementation. These deficiencies are backed by population studies and clinical research.
NutrientPrevalenceWhy It Happens
CalciumAccelerates after 40Estrogen decline increases bone loss
Vitamin D~50% deficientSkin produces less D; critical for calcium absorption
Vitamin B12Increases with ageStomach acid reduction affects absorption
Magnesium~60% inadequateStress and hormone fluctuations increase need

Essential Supplements

These supplements have strong evidence for women over 40 and address the most common nutritional gaps. Consider these your foundation.
#1Vitamin D3 + K2Strong Evidence

Bone density - critical as estrogen declines

Dose:2000-4000 IU D3 + 100mcg K2
#2Calcium (Citrate)Strong Evidence

Bone health - but only with D3 and K2

Dose:500-600mg, split doses
#3Magnesium GlycinateStrong Evidence

Sleep, mood, hot flashes, bone support

Dose:300-400mg daily

Recommended Supplements

These supplements offer additional benefits for women over 40 based on specific needs and goals. Not everyone needs all of these - prioritize based on your individual situation.

Heart protection (risk increases after menopause)

Dose: 2000mg EPA+DHA
Black Cohoshmoderate

Hot flashes and menopausal symptoms

Dose: 20-40mg standardized

Skin elasticity, joint support, bone matrix

Dose: 10-15g daily

Worth Considering

CoQ10

Heart health and cellular energy

What to Avoid or Limit

  • High-dose isolated calcium. May increase cardiovascular risk without K2 and magnesium
  • Dong Quai with blood thinners. Can increase bleeding risk

Lifestyle Factors

Supplements work best when combined with lifestyle awareness. These factors significantly affect nutrient needs for women over 40.
Estrogen decline after 40 accelerates bone loss by 2-3% per year
Heart disease risk increases significantly after menopause
Hot flashes can be triggered by alcohol, caffeine, and spicy foods
Weight-bearing exercise is as important as supplements for bone health

Special Considerations

  • 1.Get a DEXA scan for bone density baseline at menopause
  • 2.Calcium is best absorbed in 500mg doses - split throughout day
  • 3.K2 MK-7 form has longer half-life than MK-4
  • 4.Black cohosh effects take 4-8 weeks to appear

Frequently Asked Questions

Black cohosh has the best evidence, reducing hot flashes by 26% in trials. Magnesium and vitamin E may also help. Evening primrose oil has mixed results but some women swear by it.

Related Guides

About this information: Our recommendations draw from peer-reviewed clinical trials, systematic reviews, and the same medical databases your doctor uses. These statements have not been evaluated by the FDA. Supplements are not intended to diagnose, treat, cure, or prevent any disease.

Moderate Evidence

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