This includes those who: are over age 50 are pregnant have certain chronic health conditions eat a restricted diet, such as a vegan or vegetarian diet take certain medications, such as metformin and acid reducers If you already get enough vitamin B through your diet, taking Neurobion Forte or similar products likely wont provide any additional health benefits, such as improved memory, energy, metabolism, or immune function
By inhibiting the NNMT enzyme, it prevents the consumption of nicotinamide, allowing it to be recycled back into NAD+ more efficiently
Can do well with supplements Most doctors here in the UK will do anything rather than prescribe injections, even if it's clear you can't absorb B12 from oral supplements
They will not become dangerous in any way - they might be a little less effective
Risk of health status worsening in primary infertile men: A prospective 10-year follow-up study