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Ideally you have been diagnosed as being B12 deficient by your doctor and have had the relevant blood tests to confirm this before beginning this treatment
SIRT1 activation promotes numerous anti-aging effects including enhanced mitochondrial biogenesis, improved stress resistance, reduced inflammation, and activation of cellular quality control mechanisms that remove damaged proteins and organelles
Vitamin B12 plays a role in red blood cell production, DNA synthesis, and the proper functioning of the nervous system
C (Comparison): intramuscular administration of Vitamin B12
Most headaches are mild and go away within a few hours
The study used 20 mg/kg SC three times daily in mice
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