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Post-Gastrointestinal Surgery Patients: If youve undergone surgeries such as gastrectomy or weight loss surgery, we can help monitor and address any potential nutrient deficiencies, including B12
Ka D et al
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Weight loss still depends on calorie balance, nutrition, movement, and lifestyle habits
William Castle demonstrated that gastric juice contained an "intrinsic factor" which when combined with meat ingestion resulted in absorption of the vitamin in this condition
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