Nutrition insights, sourcing stories, and the science behind whole-food supplements.

Most people associate B12 deficiency with vegans. That framing misses the real problem. B12 deficiency is w...

Before multivitamins existed, before protein powders lined supermarket shelves, before anyone had heard of ...

Iron deficiency is the most prevalent nutritional deficiency in the world, and women are disproportionately...

Ounce for ounce, beef liver is the most nutrient-dense food we've ever encountered. More B12 than salmon. M...