is oral replacement better than injectable b12 after gastric bypass Bariatric patients often need to take their Vitamin in a sublingual (under the tongue) form, or injections or nasal spray form, because the surgery alters the stomach's ability to produce the Efficacy of different routes of
Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta analysis Irish Journal of Medical Science (1971 ) Feasibility of Oral Vitamin B12 Supplementation After Total Gastrectomy: Single Institution Cohort Athenaeum Scientific Publishers 6 best vitamin B12 supplements 2026, according to an expert The Independent The Magic Red Shot Let's talk Vitamin B12 Some people need the magic red shot (AKA a B12 IM injection) instead of just taking an oral supplement. Because here's the
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