Vitamin Basics

Information about vitamins, their functions, and how they interact with food and medications. Articles explain vitamin types, dietary sources, supplement considerations, and their role in health.

Can Vitamins Prevent Disease?

Most vitamin claims lack solid evidence, though a few supplements show real promise for specific health issues.

Do Animals Need Vitamin Supplements?

Most animals get the vitamins they need from food and their own bodies, but some require dietary supplements depending on their species and health.

How Drugs and Foods Interact with Vitamins

Certain medications and foods can interfere with how your body absorbs and uses vitamins, so checking with your doctor or pharmacist matters.

How Were Vitamins Discovered?

People used certain foods to cure mysterious diseases for centuries before scientists understood vitamins were the reason why.

Pros and Cons of Vitamin Supplements

Vitamin supplements can help fill gaps in your diet, but a balanced diet is usually enough unless you have specific health needs.

The Effect of Caffeine on Vitamin Absorption

Caffeine can reduce your body's ability to absorb key vitamins and minerals like calcium and magnesium through increased urination.

The Myths About Vitamins

Common myths about vitamins debunked: supplements aren't always necessary, natural doesn't mean safe, and more isn't better.

Vitamins in Your Diet

Get all the vitamins your body needs by eating a balanced diet with plenty of different colored fruits, vegetables and whole foods.

What Are Fat Soluble Vitamins?

Fat-soluble vitamins A, D, E, and K are found in meat, dairy, eggs, and leafy greens, and your body needs dietary fat to absorb them.

What Are Vitamins?

Your body needs at least 13 different vitamins to function, and you can only get them through food and drink, not made internally.

Which Are the Most Nutrient Rich Foods?

Broccoli, green tea and other everyday foods pack powerful vitamins and antioxidants that help protect your body and keep you looking younger.

Why Do We Need Vitamins

Your body needs vitamins for eyesight, immunity, wound healing and growth, but can't make most of them so they must come from food.