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10.1016/j.phymed.2023.154658 15 EicheleD
The best established application of this IGF 1 peptide is industrial rather than physiological: LONG R3 IGF-I is a standard growth factor supplement in serum-free CHO and HEK293 culture, where Morris and Schmid (Biotechnology Progress, 2000) compared it directly against insulin
The safety margin sits approximately 300-fold above therapeutic doses, making GHK-Cu one of the most well-tolerated peptides available for research purposes
This includes both sourcing the peptide from a reputable vendor, and following best practices when reconstituting the peptide for injection
Glutathione Supplement Considerations Its good to keep in mind the considerations and concerns that scientists have shared related to glutathione supplements
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