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Secondly, we did not have a placebo arm to compare with the treatment arm

John said they worked on the safety to ensure taking the safety off was the same positive feel you were used to, but the return is lightened a bit

Common neurological symptoms include: Paraesthesia (pins and needles) in the hands and feet Numbness or altered sensation Difficulty walking or balance problems (sensory ataxia) Muscle weakness and reduced coordination Cognitive changes , including memory problems, confusion, or difficulty concentrating Mood disturbances , such as depression or irritability In severe cases, vitamin B12 deficiency can cause subacute combined degeneration of the spinal cord, a serious condition affecting both sensory and motor pathways

However, clinical conditions associated with high B12 are uncommon