Vitamin C enhances iron absorption, and taking vitamin C with some other nutrients may help enhance the effects of each.

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.

Supplements that can help you stay physically and mentally healthy during the winter include vitamin D, zinc, vitamin C, and ...

Medical experts have issued an urgent warning over 'dangerous' vitamin combinations you should never take and how it can harm ...

Dietitians told Insider that Americans who eat a balanced diet likely already consume enough vitamin C. Vitamin C supplements that have more than the daily recommended dose can be a waste of money, as ...

Confused by the supplement aisle? A dietitian breaks down which supplements most people actually need, which ones are hype, ...

When cold strikes in, vitamin C becomes a go-to supplement for many. Some start loading up oranges, some turn towards supplements. Even if vitamin C is important for the immune system, does taking ...

When you're unable to get the required amount of vitamin C from food, you can resort to supplements. However, it is important ...

Vitamin C supplements are super popular — but not always needed. A 2025 market survey found that Vitamin C (ascorbic acid) ranks third in Germany and sixth in the U.S. for supplement use. Many people ...

Many people take their vitamins around the same time they're having a cup of coffee. But there are some vitamins dietitians ...

Birth control pills are highly effective, but certain foods, drinks, and supplements can interfere with their absorption or ...