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Improved blood sugar if applicable
Excess nicotinic acid: Too much nicotinic acid can also cause low blood pressure, fatigue, headaches, rashes, and liver damage
The duration and sustainability of the effects from B12 injections depend significantly on individual factors, such as metabolic rate and the level of B12 deficiency
It is only available through licensed medical providers
Pathway relevance does not equal a product claim
Neurology 71 , 11831190 (2008)
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