Some research-grade substances have purity levels as low as 60%.22 If you were to introduce such a substance into your body, your immune system could interpret it as a threat and mount a potentially life-threatening response a state called immunogenicity.23 But with pharmaceutical-grade peptides, youre dealing with purity levels of at least 98-99%
To fight this internal damage, your cells rely heavily on the glutathione antioxidant system
You might find that while you felt no hunger on Monday or Tuesday, you are quite hungry by Saturday
If you notice significant bleeding that wont stop with light pressure, medication visibly leaking from the site, or pain that feels markedly different from previous injections, review your injection technique or reach out to your healthcare provider
Figure 2 summarizes the effect of Selenium deficiency in the thyroid gland
Most uses of GHK-Cu are in creams and serums for skin and hair care, not in injectable or systemic forms, which is likely why it hasnt banned by any doping-agency restriction services