7 Vitamins Women 40 and Older May Need

Nutrient needs can shift after 40 as muscle mass and bone density decline and women experience the hormonal changes of perimenopause and menopause. Kristin Kirkpatrick, M.S., R.D., of the Cleveland Clinic Department of Wellness & Preventive Medicine, highlights seven nutrients: vitamin B12, calcium, vitamin D, magnesium, potassium, omega-3 fatty acids, and probiotics. A varied diet remains the preferred source because food may allow better absorption.

Vitamin B12 supports normal brain and blood function, but aging and lower stomach-acid levels can reduce absorption. Calcium contributes to bone strength, muscle movement, and proper nerve and heart activity. Vitamin D helps the body use calcium and is found in fish and fortified dairy products, grains, and cereals. Magnesium assists with blood-pressure regulation, inflammation control, and muscle, nerve, and heart function. Food sources include leafy greens, beans, soy, seeds, nuts, and avocados.

Potassium also helps manage blood pressure. Bananas, sweet potatoes, chard, beans, and lentils provide it, while excessive supplemental potassium can harm the heart and gastrointestinal tract and may trigger dangerous abnormal heart rhythms in some people. Omega-3 fatty acids are associated with lower cholesterol and blood pressure and may support memory and thinking; sources include fish, walnuts, and soy foods. Probiotics, although not vitamins, help maintain a balanced gut microbiome connected with digestion, mood, immune function, weight management, and hormone regulation. Yogurt, kefir, seitan, kimchi, and other fermented foods contain probiotics. Supplements may be suggested in some circumstances, but they are intended to add to the diet and are not medicines.