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Since nitrous oxide is commonly used for surgery in the elderly, some experts feel vitamin B 12 deficiency should be ruled out prior to its use or prophylactic vitamin B 12 supplementation implemented before and after exposure to the gas (7, 18)
The muscle of the leg between the knee and the hip (your lap) is fine, as is the upper outer quadrant of the buttock
A serum B12 level test and, ideally, a methylmalonic acid (MMA) test should precede any B12 injection recommendation
Many users find once-daily dosing more sustainable over multi-week protocols
Understanding the interaction between these two compounds helps you make an informed decision about your treatment plan
