Here's a place to start, but there is a wealth of information on the role of the kidney in vitamin d activation and what can go wrong with different disorders o

Here's a place to start, but there is a wealth of information on the role of the kidney in vitamin d activation and what can go wrong with different disorders of the kidneys. https://www.davita.com/diet-nutrition/articles/basics/vitamin-d-and-chronic-kidney-disease https://www.davita.com/diet-nutrition/articles/basics/vitami...