b12 5000 injection mcg Cyanocobalamin for injection 1000 mcg Multiple-Dose Vials 1mL x 25/Tray (Rx) Methycobal injection 500 mg, 1mg*10

Every batch is independently tested in the USA, documented, and backed by transparent Certificates of Analysis so researchers can purchase with confidence

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286.11 g/mol Purity: 99.0% (validated by Certificate of Analysis) Appearance: Reddish-brown powder lyophilized powder Peptide Length: 39 amino acids Solubility: Fully soluble in water (HO) Quality Verification: Confirmed by RP-HPLC analysis Storage Conditions: Store dry at 28 C

Those most at risk include vegans and vegetarians, people with digestive conditions such as Crohn's disease, coeliac disease or IBS, those taking long-term metformin or proton pump inhibitors, older adults whose ability to absorb B12 through the gut declines naturally with age, those with pernicious anaemia, and anyone with a history of chronic alcohol use