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Vitamin B12 Injection (Cyanocobalamin) https://preview.redd.it/bpc-157-and-tb-500-therapy-log-v0-l3xsqwbvosag1.jpeg?width=1108&format=pjpg&auto=webp&s=bf4a31173586d7be24e2c1328139078591125c4e hide_varints Absorbance at 450 nm was then measured using a microplate reader, with lower absorbance indicating reduced viability mg:20mg

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