How do you know if your Sermorelin vial has degraded or lost potency?

How do you know if your Sermorelin vial has degraded or lost potency? Spending money on a hormonal optimization protocol only to end up injecting it is something that is useless, in addition to being frustrating, a waste of precious time. Sermorelin is a very delicate peptide and does not warn you with a strident color change […]