| abstract |
A nutrient composition for collagen production acceleration which comprises vitamin C, an iron supplement, and collagen as active ingredients. It accelerates in vivo collagen production at the skin, bones, etc. and is effective in preventing or treating skin aging or bone joint diseases. The nutrient composition is an iron supplement-containing composition having stability imparted thereto. Also provided are a food or beverage, a feed, and a medicine each containing the nutrient composition incorporated therein. |