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.

A beginner friendly breakdown of how vitamin supplements work, who may benefit from them, and how they can support overall wellness without replacing a healthy diet.

 

Vitamin D and D3 are often used interchangeably, but they’re not exactly the same. Learn the key differences between vitamin D2 and D3, how each one works in the body, and which form may be more effective at raising vitamin D levels, plus dosage guidance, interactions, and what to consider before choosing a supplement.

Common signs of vitamin deficiencies can show up in hair, nails, skin, sleep, and vision. Here are symptoms people often notice and when to see a doctor.

Learn common signs that may indicate a vitamin deficiency and when to speak with a healthcare provider for proper testing and guidance