Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

Hyaluronic acid supplements may make your skin healthier and appear more youthful than topical products. They may also benefit your joints, eyes, and hair.

Take a closer look at the promising benefits and persistent controversies of collagen supplementation, including what’s proven, what’s emerging, and what remains uncertain. Collagen accounts for up to ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Having healthy skin on the outside of our bodies reflects what’s inside our bodies. The nutrition that we consume—be it through diet or supplements—can help or hurt the largest organ of the body. Our ...

Alyssa Northrop is a registered dietitian, nutrition writer, speaker and licensed massage therapist based in Minneapolis, Minnesota. She received a Master of Public Health in human nutrition from the ...