Given that, the sensible position is to treat the drug-interaction contraindications as firm, particularly antidepressants and stimulants, while accepting that for someone on no such medications the risk is likely small but genuinely unquantified
Vitamin B12 is essential for the production of red blood cells, DNA synthesis, neurological function, and the maintenance of the nervous system
Vitamin B12 for Athletes: Dosing and Evidence (2026): The Short Answer Vitamin B12 (cobalamin) is essential for red blood cell production, oxygen delivery, and nerve function, all of which directly affect endurance performance
Additionally, other factors such as having had gastric bypass surgery or taking antacids long-term can lead to deficiency
All products / Type / Orals 5-Amino-1MQ 50mg 60 Oral Capsules NNMT inhibitor fat-metabolism, NAD+ & longevity research OralsWeight & MetabolismEnergy & Vitality SKU: OR-5AM-50-1 Format Oral Dosage 50mg Capacity 60 Capsules Potential benefits Fat-metabolism research NAD+ & energy research Insulin-sensitivity research Sirtuin & longevity-pathway research Lean-mass & recovery research Metabolic microbiome research In practical terms, this is a mechanism researchers are studying for its relationship to energy expenditure, insulin sensitivity, and body composition, without affecting appetite or hormones