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Description
[DOI] [PubMed] [Google Scholar] 39.Ng WK, Taylor NF, Hughes IA, Taylor J, Ransley PG, Grant DB

Demand may shift away from unregulated or illicit markets

They may work reasonably well for GI issues or systemic support, but bioavailability is less predictable

Peptide products can help address this, but understanding the hormonal component may indicate additional treatments
