How much vitamin C you need per day depends on your age, sex, pregnancy and lactation status, and if you smoke. Here are the guidelines and general limits.

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 ...

Medically reviewed by Kayla Girgen, RD Oranges and grapefruits are rich sources of vitamin C and potassium.Oranges provide ...

Is consuming an orange better than drinking a glass of orange juice for vitamin C benefits? Here's what the research says.

The Centers for Disease Control and Prevention (CDC) is concerned that Americans aren't getting enough vitamins and minerals. On its website, it notes that vitamins and minerals "are critical for ...

It turns out, you can have too much of a good thing. While a huge swath of Americans are deficient in essential vitamins and minerals like potassium, calcium, and vitamin E, fewer are lacking ones ...

Orange juice contains more than 100% of the daily recommended amount of vitamin C for adults, but juice made from guavas, ...