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human clinical trials have not been completed.4-6,10

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Since many people get their peptides online through sellers operating in a gray "research purposes only" market, peptide enthusiasts like Cohen say it would be better to create a new set of standards for peptide sellers, ensuring purity and potency of these compounds

249,250 While the methylation rate of CpG islands is elevated during mouse brain development, SHANK3 is upregulated two weeks postnatal, suggesting that methylation of CpG islands is a strong regulator of SHANK3 expression