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Side effects and cautions B12 has no established upper limit due to low toxicity, but injections can have side effects: Common: soreness, redness or swelling at the injection site
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Dosage Quantity 1 $74.99$49.00Save $25.99 Bundle & Save Lot CoA included Same-day ship Room-temp stable IdentityGrowth Hormone Research reference compound FormLyophilized Sterile-filtered Purity99.41% HPLC Storage20C, dark LotCP-8934777 Released22 DEC 2025 02 Certificate of Analysis done Independently verified
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