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The European Food Safety Authority (EFSA) acknowledges the active role of vitamins C, E, B2 and zinc in maintaining normal healthy skin. 

  • Vitamin C to support healthy collagen production. 
  • Vitamin E for protection of cells against oxidative stress
  • Vitamin B2 and zinc for maintaining healthy skin.



  1. Proksch, Segger, Degwert, Schunck, Zague, Oesser 2014a. Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology: a double-blind, placebo-controlled study. Skin Pharmacol Physiol 27: 47-55. 
  2. Proksch, Schunck, Zague, Segger, Degwert, Oesser 2014b. Oral intake of specific bioactive collagen peptides reduces skin wrinkles and increases dermal matrix synthesis. Skin Pharmacol 27: 113-119. 
  3. Kawada, Yoshida, Matsuoka, Sakamoto, Odanaka, Sato, Yamasaki, Kanemitsu, Masuda, Urushibata 2014. Ingested hyaluronan moisturizes dry skin. Nutritional Journal 13: 70.