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However, individuals seeking faster results or having digestive absorption issues may find injectable therapy cost-effective despite higher upfront expenses

[1] [2] B12 injections are primarily prescribed for patients with pernicious anaemia , an autoimmune condition where the stomach cannot produce intrinsic factor, a protein essential for B12 absorption in the gut

These nanocomposite hydrogels exhibited the minimum release-swelling ratio at a pH of 1.2 and the maximum at a pH of 6.8 (147)

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It may also not be as widely available as other methods of L-Carnitine administration