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Prohibited List - Section S2: Peptide Hormones, Growth Factors, Related Substances, and Mimetics
The side effect profile is not trivial
People taking medications that interfere with B12 absorption, including metformin or long-term acid-reducing medications, often benefit from injections
And in peptide research, a 10% impurity isn't just 'slightly less effective,' it's often a completely different molecular structure with unknown activity
After six months, the patients lost an average of 10% of their total body weight, significantly more than those on diet (5% weight loss) but less than those who underwent bariatric surgery (30.7% weight loss)
