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The point of the stack is that the two peptides address different problems, so combining them is meant to be more complete than either one on its own, and it is distinct from a probiotic, which adds organisms rather than restoring the lining

doi: 10.1371/JOURNAL.PONE.0023998 278 IwanMVissersYMFiedorowiczEKostyraHKostyraESavelkoulHFJet al

Cadmium exposure during puberty damages testicular development and spermatogenesis via ferroptosis caused by intracellular iron overload and oxidative stress in mice

TB-500 is a synthetic fragment of Thymosin Beta-4 whose core proposed action is the sequestering of G-actin to regulate actin polymerization the process behind cell migration in wound healing and which has been linked preclinically to angiogenesis and reduced inflammation [3] [4]

Reduced glutathione is a key component of antioxidant protection in tissues