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He notes that injections might be more effective for localized injuries, while oral consumption could benefit gut health more generally, addressing issues like gut microbiome balance and inflammation 3

10.1111/j.1600-079X.2012.00980.x 55 JiangP.RenL.ZhiL.YuZ.LvF.XuF.et al (2021)

The human body naturally produces hundreds of distinct peptides that regulate virtually every physiological function including growth hormone release, immune activity, tissue repair, inflammation resolution, metabolism, pain modulation, neurotransmitter balance, and cardiovascular function

1000 micrograms (mcg) is equal to 1 milligram (mg)