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Its defining physicochemical feature is resistance to hydrolysis at low pH, unusual for a peptide of this length and attributed to a proline-rich, conformationally constrained backbone carrying three consecutive prolines plus a fourth at position eight
Long-term use is associated with gastric ulcers, kidney strain, and cardiovascular issues
More severe side effects are rare but can include low potassium, headache, dizziness, and chest pain
What's your update after going back to see the doc
Proline metabolism and cancer: emerging links to glutamine and collagen
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