Vitamins & Nutrition
The Role of Iron in the Human Body
Iron carries oxygen in the blood. Learn how much you need, heme and non-heme food sources, signs of deficiency and why iron supplements need…
Health guides
Plain-language guides to everyday health, personal care and home monitoring. Every article lists its sources, and none of it replaces advice from your own doctor or pharmacist.
Vitamins & Nutrition
Understanding Calcium and Bone Health
Calcium builds and maintains bones and teeth. Learn how much adults need at each age, the best food sources, how supplements work and the…
Vitamins & Nutrition
What to Know Before Choosing a Multivitamin
Age, sex, diet, iron content and dose all matter when picking a multivitamin. Use this checklist to compare products and avoid taking too much.
Vitamins & Nutrition
How Diet Contributes to General Wellness
A balanced diet supplies energy and nutrients and lowers the risk of many long-term conditions. Learn the main principles of healthy eating patterns.
Vitamins & Nutrition
Understanding Nutritional Supplements
What counts as a dietary supplement, how are supplements regulated and who might need one? A clear, evidence-based introduction for shoppers.
Vitamins & Nutrition
How to Read Supplement Labels
Serving size, amount per serving, percent Daily Value and other ingredients: learn to read a Supplement Facts label and compare products with confidence.
Vitamins & Nutrition
The Difference Between Vitamins and Minerals
Vitamins are organic compounds made by plants and animals; minerals are elements from soil and water. Learn how they differ and why you need…
Vitamins & Nutrition
Understanding the B Vitamins
The eight B vitamins help turn food into energy and keep nerves and blood cells healthy. Learn what each does, food sources and who…
Vitamins & Nutrition
What to Know About Vitamin D
Vitamin D helps the body absorb calcium for strong bones. Learn where it comes from, how much adults need, who is at risk of…
Vitamins & Nutrition
Understanding Vitamin C and Its Role in the Body
Vitamin C helps make collagen, supports immune function and aids iron absorption. Learn how much adults need, the best food sources and safe upper…
Vitamins & Nutrition
A Beginner’s Guide to Multivitamins
What is in a multivitamin, who might benefit and what can it not do? A plain guide to multivitamin and mineral supplements, based on…
Vitamins & Nutrition
Understanding the Different Types of Vitamins
There are 13 essential vitamins in two groups: fat-soluble and water-soluble. Learn what each vitamin does, where it is found and why the group…