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Injectable B12 effectively corrects deficiency, with hydroxocobalamin being the preferred formulation in the UK due to its longer retention in the body

doi: 10.3389/fpubh.2021.631865 63 ZhengS.BawazirM.DhallA.KimH.-E.HeL.HeoJ.et al

Its molecular structure includes a fatty acid side chain that improves stability and gives it its long half-life of approximately 7 days

For the full breakdown of the research, see our guide on whether B12 injections work for weight loss

These interactions also highlight how plant antioxidant systems integrate enzymatic and phytochemical defences-such as ascorbate and glutathione-to buffer oxidative damage