Supplement School

 

Vitamin D and D3 are often used interchangeably, but they’re not exactly the same. Learn the key differences between vitamin D2 and D3, how each one works in the body, and which form may be more effective at raising vitamin D levels, plus dosage guidance, interactions, and what to consider before choosing a supplement.

Zinc bisglycinate is a gentle, highly absorbable form of zinc that research suggests may outperform other types. Learn why it’s worth considering for immune health and beyond..