A large new review suggests that for most older adults, taking calcium, vitamin D, or both as supplements does not meaningfully lower the risk of fractures or falls. That finding challenges a long-standing belief that routine supplementation is an effective strategy for preventing age-related bone injuries.

This summary and reporting are based on coverage by Medical News Today of a review published in the journal BMJ. The analysis pooled results from 69 clinical trials that together enrolled about 154,000 adults and compared calcium supplements, vitamin D supplements, or both against placebo or no treatment, focusing on outcomes such as overall fractures, hip fractures, and falls.

Context

As people age, bone density tends to decline, which raises the risk of fractures from falls. For decades clinicians and public health guidance have emphasized getting enough calcium and vitamin D because both nutrients play roles in bone metabolism. Many older adults take supplements for that reason.

At the same time, bone strength is influenced by multiple factors: hormones, muscle strength, balance, overall diet, other micronutrients, and medical conditions such as osteoporosis or malabsorption. Public-health recommendations have long included diet, exercise, and avoiding smoking and excess alcohol, in addition to discussing supplementation for people at higher risk or with documented deficiencies.

Evidence

The BMJ review, as reported by Medical News Today, combined findings from dozens of randomized trials. Across the pooled evidence, researchers found little to no reduction in overall fracture risk when older adults took calcium, vitamin D, or both, compared with placebo or no supplement. The same lack of clear benefit applied to specific outcomes such as hip fractures, and to risk of falling.

Medical News Today spoke with clinicians who emphasized how to interpret those results. Dung Trinh, MD, an internist cited in that report, noted that while calcium and vitamin D are important nutrients, supplements alone are not a reliable strategy to prevent fractures or falls for most older adults. Jocelyn Wittstein, MD, an orthopedic surgeon at Duke University referenced in the same report, highlighted that supplementation may be most useful for people who have a documented vitamin D deficiency, very low dietary calcium intake, or specific medical conditions affecting bone health.

Experts referenced in the Medical News Today coverage also pointed out that other nutrients and dietary patterns matter. Magnesium, vitamin C, vitamin K2, adequate protein, and a diverse, minimally processed diet contribute to bone maintenance. Exercise, especially resistance and impact activities, strengthens bone and reduces fall risk by improving muscle and balance.

Why this matters

Many older adults take calcium and vitamin D pills expecting reduced fracture risk. The BMJ review suggests that for the general older population, that expectation may be misplaced. Given how common falls and fractures are in older people, clarifying which interventions truly reduce risk matters for individual health decisions and for public health guidance.

The review also shifts focus toward interventions with clearer benefits, such as exercise programs to increase strength and balance, home safety modifications, vision and medication reviews, and targeted screening for osteoporosis in people at higher risk.

What to keep in mind

• Not all people are the same. The trials included in the review covered a wide mix of ages, health statuses, baseline nutrient levels, and supplement doses. People with documented vitamin D deficiency, severe low calcium intake, certain medical conditions, or diagnosed osteoporosis may still benefit from targeted supplementation under medical supervision.
• Supplements are not a substitute for lifestyle measures. Strength and balance training, adequate protein intake, fall-proofing the home, vision care, and reviewing medications that increase fall risk are proven components of fracture prevention strategies.
• Trial differences matter. Clinical trials vary in dose, formulation, adherence, and follow-up length; those differences can affect pooled results. That complexity means clinicians should interpret the review in the context of individual patient needs.
• Talk to your clinician. Do not start, stop, or change supplement use based on headlines alone. If you have osteoporosis, a history of fractures, risk factors for deficiency, or chronic conditions that affect bone health, speak with a healthcare professional for personalized advice.

The bottom line

The BMJ review summarized by Medical News Today found that calcium and vitamin D supplements, individually or combined, provided little to no benefit in reducing fractures or falls for most older adults. That does not mean these nutrients are unimportant, but it does suggest supplements alone are not an effective population-level strategy for fracture prevention.

Practical steps that are likely to have a bigger impact include regular strength and balance exercise, reviewing and managing fall risks in the home and medications, ensuring adequate overall nutrition, and pursuing bone density screening or targeted supplementation when a clinician identifies deficiency or high fracture risk.

Medical caution: This article summarizes findings from a clinical review and expert commentary. It is not medical advice. Consult a qualified healthcare professional before making changes to supplement use or starting new treatments.