For people specifically targeting loose skin from weight loss, I lean toward the 2 mg daily end of the dosage range rather than 1 mg
Tranexamic acid Tranexamic acid (trans-4-aminomethyl cyclohexane carboxylic acid) (TA) is probably the most studied systemic agent being used for the treatment of melasma
Supports Healthy Skin Glow: Helps maintain the skins natural radiance by protecting cells from oxidative stress, contributing to a brighter and more even-looking complexion with regular use
Here's how they compare: Peptide Primary research area FDA status Advisory committee review BPC-157 Tissue repair, angiogenesis Not approved Yes (free base + acetate) TB-500 Actin regulation, cell migration Not approved Yes MOTS-c Mitochondrial metabolism Not approved Yes KPV Anti-inflammatory Not approved Yes GHK-Cu Copper-peptide skin/healing Not approved Not on 2026 agenda For a deeper comparison of BPC-157 and its most-researched counterpart, see our BPC-157 vs TB-500 research comparison
While some may see benefits from weekly sessions, others might find occasional treatments sufficient
On the other hand, if you are self-administering, then the thigh is a more convenient location