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You may also start to feel increased hunger and less fatigue

Best part Ive lost 7 pounds in the first 3 weeks

[1] Because intrinsic-factor-dependent uptake in the distal ileum can be absent in conditions such as autoimmune gastritis, pancreatic insufficiency, or bariatric surgery, the intramuscular or subcutaneous route bypasses gastrointestinal barriers and reliably restores serum concentrations

There could be a variety of reasons

Boosts Metabolism Vitamin B12 plays a key role in converting fat and protein into energy
