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Description
They use blood tests to check Vitamin B12 levels

Normal ranges are 500-900 pg/mL

For understanding the best peptides for tendon repair broadly, our guide covers the full evidence base

Author contributions AM : Writing - original draft, lead

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These meds can lower your bodys B12 levels by affecting absorption, so you might need to take a B12 supplement to keep those red blood cells in tip-top shape
