Depending on the type, some vitamins and minerals can be taken at any time of day, with or without food, while others require ...

Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

QUESTION: Hi Dr. Zac, am I being hoodwinked into buying vitamin supplements, or do they actually work? I’ve been feeling constantly tired despite getting enough sleep, and I suspect I might be low on ...

Vitamin absorption depends on many complex factors, including form and diet. The best form of vitamin supplement for you depends on your health and needs. Many different types of supplemental vitamins ...

Vitamin C is vital to immune function and the maintenance of bone, skin, teeth, and joints. Learn more about its wide range of health benefits.