Free (1) 30 ml Bacteriostatic Water
with qualified orders over $500 USD.
(excludes capsule products, cosmetic peptides, promo codes and shipping)
Thyrotropin releasing hormone (TRH or protirelin) is a small peptide hormone produced in the hypothalamus. TRH research has shown improvement in thyroid function and it has anti-depressant and anti-suicidal properties. It has been researched for potential benefit in the aging process, feeding behavior, free radical reduction, and regulation of the autonomic nervous system.