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injectable b12 side effects Vitamin Effects: How Much is Too Much? Vitamin B12: Benefits, Dosage, Side
Description
Here is the mechanism in practical terms

This is the inactive form of vitamin B12 that requires the body to expend more energy to convert and remove a cyanide molecule than other forms of B12
If you do have decreased kidney function and your doctor recommends methylcobalamin, you may need a much higher dose because its less stable, so be sure to ask them about whats best given your condition

People Experiencing Unexplained Fatigue or Brain Fog Even without a formal diagnosis of deficiency, many people feel chronically tired, foggy, or unmotivatedsymptoms that can stem from suboptimal B12 levels
