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They also help prevent or reverse symptoms such as fatigue, low energy levels, and weight loss, which are commonly linked to vitamin B12 deficiency

Most remarkably, the enhanced muscle stem cell activity translated to dramatic improvements in functional muscle performance

Journal of Endocrinology and Metabolism

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haptocorrin) and passes into the duodenum where the R protein is removed by pancreatic proteases and free cobalamin binds to R protein (IF)

It is important to have a physician evaluate these symptoms so that appropriate medical care can be given.