ghk-cu peptide pros cons Frontiers Exploring the beneficial effects of

[28] [29] This space can be mapped using primary amino acid sequences, three-dimensional structural data, or a combination of both

KLOW concentration at common reconstitution volumes BAC water 2.0 mL Total concentration 40.0 mg/mL GHK-Cu per unit (0.01 mL) ~250 mcg KPV / BPC-157 / TB-500 per unit ~50 mcg each BAC water 3.0 mL (most common) Total concentration 26.7 mg/mL GHK-Cu per unit (0.01 mL) ~167 mcg KPV / BPC-157 / TB-500 per unit ~33 mcg each BAC water 4.0 mL Total concentration 20.0 mg/mL GHK-Cu per unit (0.01 mL) ~125 mcg KPV / BPC-157 / TB-500 per unit ~25 mcg each Higher BAC water volumes give more measurable draws but require larger injection volumes

A brief stinging or burning sensation at the injection site is a commonly reported experience with GHK-Cu

"Growth Hormone Secretagogues and Their Role in Human Physiology." Endocrine Reviews, 42 (5), 145-161