Tag
Vitamin D
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News
Six in ten US adults take supplements, and the mix changed
A JAMA Network Open analysis of 63,442 adults across 25 years of national survey data found supplement use rose from 51% to 60%, with multivitamins falling and ashwagandha, collagen and elderberry rising.
Jul 25, 2026
News
Calcium and vitamin D did little for fractures or falls
A review of 69 randomized trials and more than 150,000 people found that for healthy older adults, calcium, vitamin D, or both together did little to prevent fractures or falls.
Jul 17, 2026