Vitamin D (ergocalciferol-D2, cholecalciferol-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus. Having the right amount of vitamin D, calcium, and phosphorus is important for building and keeping strong bones. … Vitamin D is made…
Most of us need to supplement with Vitamin D because we don’t get enough sun, but there’s an aspect of supplementing with vitamin D that could be very unhealthy. Join our newsletter and get a free testosterone optimization checklist: