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May 05, 2026
A JAMA Network Open study found high-dose vitamin D may reduce progression from prediabetes to type 2 diabetes in people with certain vitamin D receptor genotypes. In participants with ApaI CC or AC alleles, risk fell 19% versus placebo, while no reduction was seen in those with ApaI AA alleles.
May 05, 2026
The U.S. vitamin market and the global sexual health supplement market are both forecast to grow, driven by preventive health, personalization and e-commerce. Market reports project vitamins reaching USD 22.72 billion by 2034 and sexual health supplements reaching $5.31 billion by 2030.
Apr 02, 2026
A 16-year study links higher vitamin D levels in middle age to lower tau protein deposits in the brain, while a major COVID-19 trial finds vitamin D doesn't reduce acute severity but may help with long COVID recovery. Separate research shows supplementation improves vitamin D levels and stabilizes immune profiles in athletes and non-athletes.
Mar 12, 2026
Study finds advanced melanoma patients with sufficient vitamin D levels showed better response rates and longer survival when receiving anti-PD-1 immunotherapy compared to those with low vitamin D status.
