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9111.4 g/mol 83-amino acid modified IGF-1: 13-AA N-terminal extension + Arg3 substitution Class Research Status Preclinical Half-Life 20-30 hours (vs 12-15 minutes for native IGF-1) Routes Category Growth Hormone Peptides

Thats especially the case for those containing hydroquinone, which you can read more about here

Polyamines: essential factors for growth and survival

A prospective cohort study of meat and fish consumption and endometriosis risk

Carnitine insufficiency in children with inborn errors of metabolism: Prevalence and treatment efficacy

However, the expression level of IL-6 and TNF- in the peritoneal lavage fluid was not affected