Dermatologist Allison Vidimos, RPh, MD, explains how nasal tanning spray works and why its so risky to put it in your body
Why it matters: A dosing chart cannot screen for pancreatitis risk, dehydration, pregnancy, medication interactions, or unsafe sourcing
What Does the Science Say
Human clinical-trial data (Phase 1/2 studies in wound healing, cardiac injury, and dry eye) exist only for a different, full-length recombinant thymosin beta-4 product, not for the short synthetic fragment marketed as TB-500, so no completed published human trial has evaluated TB-500 specifically for muscle, tendon, or joint recovery