Articles

Cyanocobalamin and methylcobalamin: what differs?

Methylcobalamin is marketed as the "active" B-12, but cyanocobalamin is the most studied, most stable form and works well for most people. Here is the evidence.

Cyanocobalamin and methylcobalamin: what differs?

Methylcobalamin is marketed as the "active" B-12, but cyanocobalamin is the most studied, most stable form and works well for most people. Here is the evidence.

What does 2,000 IU of vitamin D mean?

For most adults, 2,000 IU of vitamin D a day is a meaningful, well-studied amount that sits safely below the upper limit. Here is the research.

What does 2,000 IU of vitamin D mean?

For most adults, 2,000 IU of vitamin D a day is a meaningful, well-studied amount that sits safely below the upper limit. Here is the research.