It makes sense that many nutrients don’t work well alone. Just like a partnership, one might need another partner to give them purpose. A nutrient works symbiotically to become greater, to keep them in check, or cancel each other out and sometimes to compete.
For instance, calcium works well with vitamin D, Vit K and B12. Vitamin D and vitamin K, (especially K2) complement each other, Dr. Sanchez says. “Vitamin K2 helps calcium move from the blood to the bones,” he says, “whereas if you take large doses of vitamin D without sufficient K2, the calcium can go to the wrong places.