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Metformin (for diabetes), proton pump inhibitors (such as omeprazole or esomeprazole), and H2 blockers (such as famotidine) can all reduce B12 absorption over time

Any CJC-1295/Ipamorelin source should be evaluated with the same criteria used for other research peptides: Batch-specific Certificate of Analysis, not a generic sample PDF HPLC purity and mass spectrometry identity confirmation Clear distinction between CJC-1295 no-DAC, CJC-1295 DAC, and blends No therapeutic claims, dosing claims, or implied human-use instructions Research-use-only labeling and purchase certification If a vendor describes CJC-1295/Ipamorelin as "FDA approved," "pharmaceutical grade," or an approved anti-aging therapy, that is a red flag

If you plan multiple injections or procedures, schedule them with your clinician so each site has time to heal and be assessed

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