how much b12 is in injection Compounded Methylcobalamin (Vitamin B12) Injection, 5mg/mL Best Vitamin B12 Injection Site:

The trial proceeded without reported toxicity, and no lethal dose threshold (LD1) was ever established in subsequent safety testing meaning researchers administering the compound could not find a dose that caused death in even 1% of test subjects across the animal model safety work that preceded and followed the human study

Vitamin B12 helps produce white blood cells essential for immunological defense

Curr Neuropharmacol 16:13481357 Sandeep, Sahu MR, Rani L, Kharat AS, Mondal AC (2023) Could vitamins have a positive impact on the treatment of Parkinsons disease

Your body does not make it

Same hypoglycemia rules apply: never fasted, never pre-bed

Monitoring : Recheck B12 levels after 2-3 months and monitor symptom improvement