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or D or L norleucine, lysine, arginine, norvaline, ornithine, or S-benzyl cysteine II=a D or L cysteine, phenyalanine, aspartic acid, glutamic acid, serine, tyrosine, glycine, homocysteine, homoserine or homophenylalanine amino acid residue

The two peptides are also not the same kind of molecule

Weitz, Ph.D." (PDF)

Supplements aren't held to the same standards by the FDA as medications, which means you can't always know exactly what's in your supplement or in what amounts

Tirzepatide weight-loss dose-tier guide What each dose did in SURMOUNT-1 (obesity, no diabetes, 72 weeks) Weekly dose 5 mg Average weight loss 16.0% Plain-English read First real treatment dose