Vitamins & Nutrition
Questions to Ask a Healthcare Professional Before Taking Supplements
Planning to start a vitamin or supplement? Take these questions to your doctor or pharmacist to check need, dose, interactions and safety.
Vitamins & Nutrition guides
What vitamins and minerals do, how to read supplement labels and when to ask a professional first.
Vitamins & Nutrition
How to Store Vitamins and Supplements Properly
Heat, moisture, light and air degrade vitamins. Learn where to keep supplements, how to keep them away from children and when to throw them…
Vitamins & Nutrition
The Importance of Balanced Nutrition
Balanced nutrition means the right mix of carbohydrates, protein, fats, vitamins, minerals, fiber and water. Learn why balance matters and how to get it.
Vitamins & Nutrition
What to Know About Supplement Interactions
Some supplements change how medicines work or interact with each other. Learn the best-known interactions and how to take supplements safely.
Vitamins & Nutrition
Understanding Supplement Quality and Safety
Supplements are not FDA-approved before sale. Learn how quality is regulated, what independent testing seals mean and how to spot unsafe products.
Vitamins & Nutrition
Food Sources of Essential Vitamins
Which foods supply vitamins A, B, C, D, E and K? A practical vitamin-by-vitamin list, plus tips to keep vitamins in your food during…
Vitamins & Nutrition
A Beginner’s Guide to Mineral Supplements
Calcium, magnesium, iron and zinc are the most common mineral supplements. Learn what each is for, how forms differ, and how to take them…
Vitamins & Nutrition
Understanding Zinc and Its Functions
Zinc supports immune function, wound healing, growth and the senses of taste and smell. Learn how much adults need, food sources and the upper…
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…
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.