Perfect Vitamin D+K™ has a proven track record because the formula utilizes scientifically researched ingredients, at the optimal dose, supported by clinical data.*
Every ingredient comes with a Certificate of Analysis and is manufactured in the US, under strict GMP (Good Manufacturing Practice) & NSF (third-party certification) regulations.
Scientifically proven research showing the benefits and why we're using micro-encapsulated, powdered form of Vitamin D3, instead of oil-based.