Beef liver provides abundant preformed vitamin A (retinol), around 5,000-10,000 IU per 100g, directly supporting vision maintenance, immune resilience, and skin health without conversion needs. This fat-soluble nutrient enhances ancestral diets, but balanced intake prevents overload...

Beef liver stands out in ancestral diets for its unmatched nutrient density, supplying vitamin A, B12, iron, and copper to bolster immune response, energy production, and fatigue reduction. Whether fresh or desiccated capsules, it addresses modern dietary shortfalls without preparat...