TB-500 is a synthesised peptide, essentially a short-chain version of the naturally occurring Thymosin Beta-4.

This Prostate Specific Antigen 1 peptide was used in the immunotherapy of cancer experiments.

Sodium Hydrogen Sulfide (hydrate) is, like nitric oxide, an important gaseous mediator that has significant effects on the immunological, neurological, cardiovascular and pulmonary systems of mammals.