Supplement School

In this comprehensive guide, we share the top 15 dietary sources of vitamin B12, backed by data and practical advice, and much more, including a deep dive on supplementation.

Can vitamins really reverse gray hair? While nutrient deficiencies and stress may influence when hair turns gray, scientific evidence shows that supplements alone are unlikely to restore natural hair color. Here’s what research actually says about gray hair and aging.

Can you take vitamin B12 and vitamin D together? Yes. These two vitamins serve different purposes and can be safely combined when taken appropriately. Here’s how they work and what to consider.

Fatigue and brain fog can sometimes be linked with low levels of key vitamins. Here are three nutrients commonly associated with energy and why they matter.

Vitamin B12 supports energy, skin health, and the maintenance of healthy blood and nerve cells. Here’s how it helps your body function at its best.

Some nutrient gaps appear more frequently in women. Learn about commonly discussed deficiencies like B12, calcium, and iron, and when to check in with a healthcare provider.