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A few years ago I started to notice my ponytail felt so much thinner than usual. I’d had a stressful few years, and hair loss had become a disturbing side effect. The doctor later confirmed that the ...

This article was reviewed by Brian Tanzer, nutritionist and Director of Scientific and Regulatory Affairs at The Vitamin Shoppe. If you’re a gym regular, chances are you’ve been hearing some buzz ...

All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Between Jennifer ...

The human body needs many vitamins and nutrients to function properly, including multiple protein building blocks. Collagen ...