Vitamins B, C, D, and E are good for dry skin. Vitamin B can improve skin texture and firmness. Vitamin C boosts collagen and ...

Can oral collagen supplements keep your skin healthy? Farah Moustafa, MD, an assistant professor at Tufts University School of Medicine and dermatologist with Tufts Medical Center, says, "Oral ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." As with any type of supplement, though, keep in mind these aren’t miracle cures—and many only work if you ...

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 ...

Hyaluronic acid is a molecule that attracts and holds onto water, keeping connective tissue moisturized and healthy. Taking oral hyaluronic acid supplements can provide more skin and hair benefits ...

Forbes contributors publish independent expert analyses and insights. Kate is a lifestyle writer based in New York City. It’s no doubt winter doldrums bring about mental sluggishness and fatigue, not ...

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 ...

Malic acid supports energy production because it plays a key role in the Krebs cycle. You may use malic acid as a topical oral spray treatment to help improve dry mouth symptoms. Eating apples, ...

Many people use zinc supplements to boost immunity or improve acne symptoms. Learn how much zinc is safe for you, and what to watch for if you use it long term.

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 ...