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People with Certain Medications Long-term use of certain medications, like proton pump inhibitors, H2 receptor antagonists, or metformin, can interfere with B12 absorption
Peptide biology & signaling research: inclusion in broader peptide panels to compare downstream molecular signals across study conditions
Athletes subject to drug testing should avoid this compound
For a 75 to 90kg adult, that translates roughly to 190 to 900mcg daily, which brackets the 200 to 500mcg range being used in practice
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