Scientists discovered that vitamin D2 supplements can lower levels of vitamin D3, the form the body uses most effectively. Unlike D2, vitamin D3 enhances the immune system’s first line of defense against infections. This raises questions about which type of supplement should be prioritized.
Source: https://www.sciencedaily.com/releases/2 ... 092911.htm
Source: https://www.sciencedaily.com/releases/2 ... 092911.htm
