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Comparing the effects of laparoscopic Roux-en-Y gastric bypass versus laparoscopic sleeve gastrectomy on weight loss and comorbidity resolution: A systematic review and meta-analysis

Frontiers in Pharmacology, 12, 2021

While oral pills can be sufficient for correcting minor, diet-related deficiencies, injections remain the gold standard for tackling significant shortfalls and managing medical conditions that get in the way of B12 uptake

Six controlled trials in approximately 900 participants are summarized in Stier et al

Injection Technique General subcutaneous technique, following established clinical best-practice guidance [14] [15]