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These reactions are typically transient and resolve within 24-48 hours
It promotes brain function, boosts endurance, and helps improve overall mental clarity, making it a great supplement for both physical and mental performance
For example, the recommended effective cure for chronic fatigue syndrome (CFS) is a 6 to 7-milligram dose of vitamin B12 intramuscular injection per week for 3 weeks
Oral, Liposomal, S-Acetyl, IV and Precursors Are Dietary Supplements Really Unregulated
2017;140:177-89.e9
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