Vitamin D-3 & K-2 1,000 IU / 45 mcg 120 Veg Capsules ZServings_75 a form of Niacin that

a form of Niacin that consists of six molecules of niacin linked to a single inositol molecule

Vitamin C is also an electron donor

suppleness and elasticity

Amino acids are necessary to build structural proteins such as collagen

Vitamin D-3 & K-2 1,000 IU / 45 mcg 120 Veg Capsules ZServings_75 a form of Niacin thatSupports Bone Health Plus Cardiovascular Support Non GMO A Dietary Supplement Kosher GMP Quality Assured NOW combines two nutrients extensively researched for their contribution to the health of bones, teeth and the cardiovascular system. Vitamin D3 promotes Calcium transport and absorption. Recent studies indicate that Vitamin D3 may play a role in proper insulin action and glucose metabolism and has an important function within the immune system.