is oral replacement better than injectable b12 after gastric bypass Efficacy of compared with intramuscular vitamin B-12 supplementation Roux-en-Y bypass: a randomized controlled trial Bariatric patients often need to
Bariatric patients often need to take their Vitamin B12 in a sublingual (under the tongue) form, or injections or nasal spray form, because the surgery alters the stomach's ability to produce the Frontiers Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights from a systematic review and meta analysis 6 best vitamin B12 supplements 2026, according to an expert The Independent Are Vitamin B12 Shots Right for You? What Happens After Bariatric Surgery? Nutrient Changes Higher Health Naturopathic Centre and IV Lounge Vitamins after Bariatric Surgery: Choosing the Right Supplements
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