Supplement School

Vitamin D is essential for strong bones, healthy muscles, immune support, and overall wellness — yet deficiency is incredibly common. This guide explains what vitamin D does, who needs supplements the most, recommended doses, and what the latest research says. If you’re low on sunlight or struggling to get enough through your diet, supplements are one of the most effective ways to support your health.

Discover delicious foods that naturally offer vitamin C and learn simple ways to add them to your daily meals.

Vitamin B12 is one of the eight B vitamins, and while many people supplement it on its own, the full B complex plays an important role in energy metabolism and overall health. Learn the differences, how to get more B vitamins, and when a B complex may be helpful.

Want to protect your heart? Here are 5 simple habits, diet tips, and key nutrients that can support your cardiovascular health.