Menopause and Supplements: What Women Over 40 Should Know

Hormonal changes after 40 can affect bones, energy, mood, and heart health. This article reviews five supplements commonly considered during perimenopause and menopause, explaining how they may support women’s health, where evidence is strongest, and why individualized guidance matters.

3/31/20263 min read

A woman with curly hair posing for a picture
A woman with curly hair posing for a picture

The years after forty often mark the beginning of a hormonal transition known as perimenopause, which eventually leads to menopause. During this period estrogen levels fluctuate and gradually decline. These hormonal changes can influence bone density, metabolism, sleep, mood, and cardiovascular health.

Lifestyle factors remain the foundation of healthy aging. A balanced diet, regular physical activity, adequate sleep, and stress management play the largest role in long-term wellbeing. Some nutrients, however, may help address common deficiencies or support physiological changes that occur during midlife.

Below are five supplements frequently considered during perimenopause and menopause, along with what research suggests about their potential role.

Calcium

Bone health becomes increasingly important as estrogen levels fall. Estrogen normally helps regulate the balance between bone formation and bone breakdown. When levels decline, bone loss can accelerate, increasing the risk of osteopenia and osteoporosis.

Calcium is a major structural component of bones and teeth. Adequate intake supports skeletal strength and bone remodeling throughout life.

Many women do not reach recommended intake levels through food alone, particularly if dairy or fortified foods are limited in the diet. Nutritional guidelines generally recommend:

  • about 1,000 mg of calcium per day for women in their early forties

  • about 1,200 mg daily after menopause

These totals include both dietary sources and supplements. Calcium absorption improves when intake is divided across meals and combined with adequate vitamin D.

Vitamin D

Vitamin D plays a central role in calcium absorption and bone mineralization. It also contributes to immune function, muscle strength, and regulation of inflammatory processes.

Low vitamin D levels are common, especially in people who receive limited sun exposure, have darker skin pigmentation, or live in regions with long winters.

During perimenopause and menopause, insufficient vitamin D may contribute to bone loss, fatigue, muscle weakness, and mood changes. Many clinicians recommend supplementation when blood levels are low.

Typical doses range from 800 to 2,000 IU per day, although individualized recommendations often depend on blood test results. Because vitamin D is fat-soluble, absorption improves when it is taken with meals containing some dietary fat.

Magnesium

Magnesium participates in hundreds of biochemical reactions in the body. It supports muscle relaxation, nerve signaling, blood sugar regulation, and the body’s response to stress.

In midlife, magnesium intake may become particularly relevant for women who experience sleep disruption, muscle tension, or heightened stress sensitivity.

Some research suggests magnesium may help reduce the frequency or severity of hot flashes and support more stable sleep and mood patterns, although results vary across studies.

Magnesium is naturally present in foods such as leafy green vegetables, nuts, seeds, legumes, and whole grains. When supplementation is needed, forms such as magnesium glycinate or magnesium citrate are often used because they are generally better absorbed and tolerated.

Omega-3 Fatty Acids

Omega-3 fatty acids, particularly EPA and DHA, support cardiovascular health, brain function, and regulation of inflammatory processes.

After menopause, the risk of cardiovascular disease gradually increases. Adequate omega-3 intake is therefore often emphasized as part of a heart-healthy lifestyle.

Omega-3 fatty acids may also contribute to joint comfort, cognitive health, and emotional stability. Some women report improvements in mood balance when omega-3 intake is sufficient.

Supplements commonly provide around 1,000 mg of combined EPA and DHA daily. Fatty fish such as salmon, sardines, and mackerel remain one of the most reliable dietary sources.

B-Complex Vitamins

The B-vitamin group plays an essential role in energy metabolism, nervous system function, and red blood cell formation. Hormonal changes, chronic stress, and age-related absorption differences can influence B-vitamin status.

Vitamin B12 deficiency becomes more common with age because stomach acid production declines, reducing absorption. Low levels may contribute to fatigue, cognitive changes, or nerve symptoms.

A balanced B-complex supplement typically contains all eight B vitamins, including B1, B2, B3, B5, B6, B7, B9, and B12. Such combinations are often used to support energy production and nervous system health during hormonal transitions.

Before Starting Supplements

Although these supplements are widely used, individual needs differ. Nutrient requirements depend on dietary habits, health conditions, medications, and baseline nutrient levels.

Blood tests and professional guidance can help determine whether supplementation is necessary and avoid excessive intake. In many cases, improving dietary quality and lifestyle habits remains the most effective approach to supporting health during menopause.

Selected Scientific References

North American Menopause Society. Management of osteoporosis and bone health in midlife women.

National Institutes of Health Office of Dietary Supplements. Calcium, Vitamin D, Magnesium, and B Vitamins Fact Sheets.

Weaver CM et al. Calcium plus vitamin D supplementation and bone health. New England Journal of Medicine.

Manson JE et al. Vitamin D supplementation and health outcomes. New England Journal of Medicine.

Thies F et al. Omega-3 fatty acids and cardiovascular risk in postmenopausal women. American Journal of Clinical Nutrition.

Ried K, Fakler P. Magnesium for menopausal symptoms. Nutrients.

Allen LH. Causes of vitamin B12 and folate deficiency. Food and Nutrition Bulletin.