Co-enzyme B12 also interacts with the enzyme methionine synthase (5-methyltetrahydrofolate-homocysteine methyltransferase), required for the conversion of homocysteine to methionine, which is essential for folic acid metabolism and the formation of thymine, which is a component of DNA
available in 500 mcg, 2500 mcg vials Tablets/Capsules: Dosages from 50 mg to 5000 mcg, depending on vitamin type and brand B Complex Tablets: Typical blend of B1 50mg, B2 50mg, B3 50mg, B6 50mg, B9 400mcg, B12 500mcg, Biotin 30mcg, Pantothenic Acid 50mg Sizes Injections: 1 mL ampules/vials, 10 mL multi-dose vials Tablets/Bottles: 30, 60, 90, 120, 180 count bottles Gummies/Chewables: 60, 90 count bottles Travel Packs: Pocket-sized daily vials or blister packs for convenience Precautions Professional Administration for Injections: Only given by or under the direction of a healthcare professional
When breastfeeding Vitamin B12 deficiency in nursing infants has been linked to developmental delay
Maintenance Phase: Monthly B12 Injection Dose for Adults Once the initial and secondary phases are done, patients move to the maintenance phase
Safety Considerations and UK Regulatory Status Retatrutide is not a licensed medicine in the UK