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The ones at the concerning end are trusting the drug to do all the work
Oral vitamin B12 supplements have several advantages over injections: They are more cost-effective They are more convenient, as they do not require a visit to a healthcare facility or a home visit from a healthcare professional for administration The risk of an allergic reaction is typically lower with oral supplements than with injections
Liposomal delivery bypasses proteolytic degradation in the gastrointestinal (GI) tract and is uniquely effective for reaching and interacting with target tissues
The chain of antioxidant protection depends on glutathione sitting at the base
doi:doi:10.1056/NEJM199905133401901 Huang X, Bao H, Ding C, et al
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