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Important things to keep in mind include: Serum B12 levels should be normal for most people Methylmalonic acid (MMA) and homocysteine levels can show if B12 is really working, even if levels seem fine How symptoms change is also important When and How to Adjust Dosing Regimens Doctors might need to change the dose based on test results and how the patient is doing

When clinical trial titration data is not available, which is common for peptides like BPC-157 and TB-500 that have not completed human dosing studies, we use the most widely cited community protocols from credible sources and clearly label the evidence tier

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Then, they do weekly injections for a month