While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, ...

Medically reviewed by Lindsay Cook, PharmD Key Takeaways Vitamin C helps your body absorb iron more effectively, so pairing ...

Fruits are one of the most natural ways to increase vitamin C intake and support immune health. Learn more about which fruits pack the most vitamin C.

It may take a sniffly nose, constant sneezing or a pesky cough to bring vitamin C top-of-mind. Getting sick reminds you of your immune function, which may leave you wondering whether you should take ...

Fact checked by Nick Blackmer Vitamin C and vitamin D both support immune function in different ways, but neither will ...

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 ...

When cold strikes in, vitamin C becomes a go-to supplement for many. Some start loading up oranges, some turn towards ...

You don't have to rely solely on foods to meet your vitamin C needs. Several drinks, like grapefruit juice, smoothies, and ...

Vitamin C and zinc are both nutrients that can support your immune system. Taking them together, through diet or supplements, may enhance their effects.

Branded content. Us Weekly has affiliate partnerships so we may receive compensation for some links to products and services. Hyperpigmentation is a common skin concern, and if it affects you, there ...

Plant-based foods deliver vitamin A through carotenoids, especially beta-carotene. Orange-hued produce such as carrots, ...

Vitamin C is necessary for a healthy immune system, joints and disease prevention. The average adult needs 75 mg to 90 mg per day. Vitamin C is found in citrus fruits, bell peppers and cruciferous ...