240 ToyotaY.IkedaM.ShinagawaS.MatsumotoT.MatsumotoN.HokoishiK.et al (2007)
This level of intake helps "top off" your body's natural production
in the mid-1930s [26], (b) produced mainly by fibroblasts [27], (c) to date consists of 28 types, numbered from IXXVIII, constituting about 8090% (type I) and 1015% (type III) in human skin [27], (d) provides tensile strength and elasticity to withstand mechanical forces in everyday activities [26,27,28,29], and (e) mainly composed of the amino acids glycine (Gly), proline (Pro), and hydroxyproline (Hyp), along with its typical triple-helix structure [26, 27, 29]
For patients who simply want periodic supplementation without a clinical deficiency, the frequency is more flexible