LP5 Powder 500g - orange flavour - Linus Pauling blend for cardiovascular health (Vitamin C, Proline, Lysine, Glycine, Collagen). We have combined Vitamin C - essential for the production of collagen (our body's main structural building block), along with the amino acids Proline, Lysine and Glycine, which all work in conjunction with Vitamin C for the synthesis of collagen to promote healthy connective tissue, including the veins and arteries for vascular health.