QUESTION: Hi Dr. Zac, am I being hoodwinked into buying vitamin supplements, or do they actually work? I’ve been feeling constantly tired despite getting enough sleep, and I suspect I might be ...

One culprit is vitamin D deficiency. Not receiving enough of this vital nutrient can lead to all sorts of health issues, from ...

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Your skin tone may affect how much vitamin D you have in your blood. But does taking vitamin D supplements change skin tone?

Though sunlight is typically our main source of vitamin D, you can also incorporate foods that contain this vitamin into your ...

A systematic review of more than 700 studies explored the potential benefits of vitamin D supplementation in the oncologic setting.

High-dose vitamin D supplementation reduces disease activity in clinically isolated syndrome typical of MS, results of a ...

Feb. 3, 2025 — Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study. Low vitamin D levels during the first ...

This skin set from Gleamin includes a 10-Minute Vitamin C Clay Mask and Superactive Serum to brighten skin, even tone and ...