This could be because injections provide a more direct systemic effect compared to oral administration, which might target gut-specific conditions more effectively 1
Research tracking healing timelines shows the combination cuts overall healing time by 3050% versus natural healing, and by 2030% versus either peptide alone without sacrificing quality
GSH depletion is strongly associated with impaired immune function and with disease development including viral diseases, cancer, cardiovascular diseases, arthritis and diabetes (Sinha et al., 2018
These and further adverse effects have been reported by the investigators using two IGF-I injections a day

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