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Animal studies note that folic acid (the synthetic form of folate) may help promote nerve growth factors while also repairing peripheral nerve injuries

TB-500 is a 17-amino-acid synthetic fragment of Thymosin Beta-4 (T4), a 43-residue actin-binding protein

It's effective for those seeking improved recovery and physical health, including athletes and individuals recovering from injuries

The molecule is small enough to cross the epidermal barrier to some degree, but reaching fibroblasts in the mid-to-deep dermis where the structural work happens requires either injection or a delivery mechanism that bypasses the barrier