Articles

How Much Vitamin D Should You Actually Take? Be...

The RDA is a floor, not a target. Here is how to think about a sensible daily vitamin D dose, the safe upper limit, and what affects your needs.

How Much Vitamin D Should You Actually Take? Be...

The RDA is a floor, not a target. Here is how to think about a sensible daily vitamin D dose, the safe upper limit, and what affects your needs.

Do Vegans Need to Supplement B-12? The Research...

Yes. Vitamin B-12 is not reliably found in plant foods, so a B-12 supplement is recommended for anyone on a vegan or mostly plant-based diet.

Do Vegans Need to Supplement B-12? The Research...

Yes. Vitamin B-12 is not reliably found in plant foods, so a B-12 supplement is recommended for anyone on a vegan or mostly plant-based diet.

Vegan Vitamin D3: Algae vs Lanolin (and Why the...

Most vitamin D3 is made from lanolin in sheep wool. Algae-sourced D3 is the same molecule, fully vegan, and the research favors D3 over D2 for raising blood levels.

Vegan Vitamin D3: Algae vs Lanolin (and Why the...

Most vitamin D3 is made from lanolin in sheep wool. Algae-sourced D3 is the same molecule, fully vegan, and the research favors D3 over D2 for raising blood levels.

Cyanocobalamin vs Methylcobalamin: Which B-12 F...

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 vs Methylcobalamin: Which B-12 F...

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.

Is 2,000 IU of Vitamin D Enough? What the Evide...

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.

Is 2,000 IU of Vitamin D Enough? What the Evide...

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.