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is oral replacement better than injectable b12 after gastric bypass
DTB Methylcobalamin (Vitamin B12) - Intranasal Delivery - Nasal Spray – LipiLab™ Neurobion Injection In human trials it did not change serum IGF-1 or carbohydrate metabolism (Stier et al., J Endocrinol Metab, 2013) Volume:Single 5mg vial https://skinox.co.uk/wp-content/uploads/2026/02/Vitamin-B12-Injections-Benefits-Who-Theyre-For-and-What-to-Expect-at-Skinox-1-1024x576.jpg
Vitamin B12 Oral vs Injection
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