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Special Populations Post-Bariatric Surgery Patients : Individuals who have undergone bariatric surgery, such as Roux-en-Y gastric bypass, are at a higher risk of vitamin B12 deficiency due to malabsorption
Start: 2.5 mg once daily to assess tolerance
Technique Adjustment: For injections, use 1-inch needles at 90 angles, rotating sites to reduce itching/abscesses by 15-20%, per 2025 Sky Health training updates
Vitamins in Animal and Human Nutrition (2nd ed.)
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