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Methionine: Aids in breaking down sugars and carbohydrates, converting them into usable energy

Results may vary depending on individual metabolism, baseline nutrient levels, and overall health

They also contain vitamin B12 to stimulate your metabolism and give you a boost of energy

Intrinsic factor deficiency, or "congenital pernicious anemia," is a rare autosomal recessive disorder characterized by the lack of gastric intrinsic factor in the presence of normal gastric acid secretion and mucosal cytology (ie, without gastritis) and in the absence of intrinsic factor antibodies found in the acquired form of pernicious anemia