Falls are the leading cause of injury for adults 65 and older, with one in four experiencing a fall each year, according to the Centers for Disease Control and Prevention. A recent study reviewed data from 16 trials involving over 150,000 participants to assess whether vitamin D and calcium supplements could reduce fall or fracture risks. The findings suggest these supplements offer little to no benefit for most older adults not already at high risk due to frailty or nutrient deficiencies.
The research highlights a critical distinction: while calcium and vitamin D are essential for bone health, routine supplementation may not be necessary for preventing falls or fractures in the general population. Dr. James J. Chao, a specialist in the field, emphasizes that the study does not negate the importance of these nutrients but challenges the assumption that widespread use of supplements is the solution. “Most older adults do not need to be routinely supplementing these nutrients in hopes of preventing fractures or falls,” he says.
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Experts stress that bone health is influenced by multiple factors beyond diet. Jessica Corwin, a dietitian, explains that bones respond to a combination of nutrition, hormones, muscle mass, movement, and overall health. “Bones are living tissue,” she says. “They require more than just calcium and vitamin D to stay strong.” This perspective shifts the focus from isolated supplements to holistic lifestyle changes.
Dr. Cory Calendine, another expert, acknowledges that supplements may still be necessary for individuals with brittle bones, deficiencies, or frailty. “Little benefit is not the same as useless,” he notes. However, he shows that falls are often the result of long-term factors like weakening legs, slowed reflexes, medications, and environmental hazards, not just a lack of nutrients.
For those not in high-risk categories, the study suggests prioritizing dietary sources of calcium and vitamin D over supplements. Corwin lists calcium-rich foods such as fortified plant milks, canned salmon with bones, and leafy greens. Vitamin D can be found in fatty fish, egg yolks, and UV-exposed mushrooms. If dietary intake is insufficient, a doctor can recommend testing and targeted supplementation.
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Protein is another often-overlooked component of bone health. “Bone is built upon a protein matrix,” Corwin explains. “It’s not just calcium—it’s calcium laid down on a collagen framework.” Lean meats, eggs, dairy, and plant-based sources like nuts and seeds provide essential protein for maintaining bone structure.
Physical activity, particularly strength training, plays a key role in fracture prevention. Corwin notes that resistance exercises signal the body to maintain bone tissue. “The more we exert pressure on muscle and bone, the more we’re telling our bodies to use and build them up,” she says.
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Experts agree that structured exercise significantly reduces fall risks. Dr. Calendine advises, “Train for strength and balance. Structured exercise cuts falls significantly. Avoid the fall, and that avoids the fracture.” He adds that relying solely on supplements is ineffective.
While the study challenges the routine use of calcium and vitamin D supplements, it does not dismiss their importance. Dr. Chao reiterates that these nutrients are vital but emphasizes that most older adults do not need them as supplements. Instead, a combination of diet, protein, and exercise should be the foundation of any strategy to prevent falls and fractures.
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