A comprehensive longevity panel is the right baseline to start from
However, long-term data on the specific four-peptide combination is limited
The human tri-peptide GHK and tissue remodeling. Journal of Biomaterials Science, Polymer Edition , 19(8), 969988
Foods high in vitamin D include: Fatty fish, such as salmon, trout, tuna, and mackerel Canned fish like herring and sardines Egg yolks Beef liver Fish liver Fortified foods like milk, oatmeal, breakfast cereal, and orange juice However, if you cant get enough naturally, you have dietary restrictions, or your body has a hard time absorbing nutrients, then a supplement option may be the best choice
Scientific investigation into BPC-157 and TB-500 remains ongoing, with much of the current interest based on preclinical studies, mechanistic research and anecdotal usage reports from peptide communities