Just be careful with the super high doses of d3. In high doses vitamin d3 is literal rat poison. That's what D-Con consists of.
It works by causing the body to absorb too much calcium and calcifies the liver until it fails.
https://www.vetfolio.com/learn/article/toxicology-brief-cholecalciferol-rodenticide-toxicosis
So d3 is not one of those "higher the dose the better" vitamins
Just be careful with the super high doses of d3. In high doses vitamin d3 is literal rat poison. That's what D-Con consists of. It works by causing the body to absorb too much calcium and calcifies the liver until it fails. https://www.vetfolio.com/learn/article/toxicology-brief-cholecalciferol-rodenticide-toxicosis So d3 is not one of those "higher the dose the better" vitamins