Both are regenerative actives with strong mechanism evidence
Hospira is a Pfizer company
Take-home message: - Peptides and assorted experimental drugs, like TB-500 and MK-677, are being recommended by fitness influencers to grow bigger muscles, lose fat, and recover from injuries faster - These drugs, many of which are claimed to boost levels of growth hormone, were studied in rodents and very small groups of human volunteers before being abandoned for not being beneficial or for causing unacceptable side effects - They are banned by the World Anti-Doping Agency and appear to be illegal in Canada and the United States, but can be purchased online
If you are deficient, B12 shots are of enormous help
Final Thoughts: Why GHK-Cu Peptides Are a Skincare Essential Whether used alone or combined with micro-infusion, GHK-Cu peptides offer remarkable anti-aging and rejuvenating benefits
Both isomers were nonetheless rapidly metabolized and eliminated (6, 8, 11)