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B Vitamin Supplements

A GLP-1 Risk: Vitamin Deficiency

September 22, 2026
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GLP-1s can deplete a critical B vitamin and, although rare, the deficiency can become life-threatening. Find out what to watch for in our B Vitamin Supplements Review + see our Top Picks for B vitamins.

Caution With B Complex

January 29, 2026
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Heads up: A popular B vitamin complex could cause skin flushing and itching -- even though it’s within the safe niacin limit. Get the details in our B Vitamin Supplements Review, which includes our Top Picks among B vitamin supplements.