Popular GLP-1 weight-loss medications have helped millions of people shed pounds, but new research from Australia.

Vitamin C is essential for immunity, skin and overall health — but more isn’t always better. Experts explain the ideal daily amount.

The study is small, but it's another example of how different bodies have different needs.

Medically reviewed by Jamie Johnson, RDN Key Takeaways How fast vitamins work depends on factors such as the type of vitamin, your health, and how consistently you take them.If you’re deficient, you ...

Lemons are known for their rich vitamin C content—but there are multiple other options for getting enough of this nutrient.

Lindsey DeSoto, RD, is a nutrition writer, medical reviewer, and registered dietitian who helps clients improve their diet for health-related reasons. Her writing covers a variety of topics, including ...

Vitamin C is a health superstar. It’s essential for healthy skin, bones, teeth and gums. It supports the immune system, and helps the body absorb iron and heal wounds. It’s a strong antioxidant that ...

Sarah Bradley is a writer with six years of experience creating personal essays, reported features, and content related to health and parenting topics. Susan Bard, MD, is a board-certified general and ...

Some research suggests that vitamin C supplements may benefit people with type 2 diabetes, but more studies are needed to understand the effects and recommended dosage. Vitamin C (L-ascorbic acid) is ...