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While some research supports vitamin D to manage or prevent ED, other studies such as a study published in 2024 that tracked ED in nearly 9,000 older male participants taking vitamin D supplements or a placebo for three years have not found that vitamin D improved ED symptoms

10.1159/000514323 Skin Pharmacol Physiol

Pauling was a chemist, and is the only person to receive 2 unshared Nobel Prizes

Olasupo Odunsi, MD, Medical Director Reviewed July 5, 2026 If you're constantly tired and your metabolism feels stuck, low B12 could be part of the problem

Treatment plans are tailored following consultation

Vitamin C can also naturally brighten and protect the skin from UV light