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One such study in 2012, published in the journal Obesity, found that obese individuals who received vitamin B12 injections lost an average of 3 pounds more than a placebo group over 12 weeks

Human clinical trial data remains sparse, and the compound shares much of BPC-157's regulatory history: popular before 2023, restricted under Biden-era FDA action, and now under consideration for reinstatement

Then, they get weekly injections until they start to get better

Spectrum of tumor angiogenesis in the bone marrow of children with acute lymphoblastic leukemia

What Other Studies Say Aside from observational studies in humans, some animal studies have something to say about vitamin B-12 and its correlation with weight loss