For most people 1,000mcg per day will be enough
B12 supports nervous system health
Carbohydrates: Fill remaining calories after protein and fat targets are met
Research indicates that restoring NAD+ can enhance synaptic transmission and overall cognitive performance in preclinical settings
If vitamin B12 levels are low, people may experience: Persistent tiredness or fatigue Reduced energy levels Difficulty concentrating Dizziness or weakness For this reason, some travellers consider a B12 injection before a summer holiday in the North West UK to support normal energy levels and reduce travel fatigue
It reliably raises serum B12 levels, resolves megaloblastic anemia, and, when started before irreversible damage, can reverse neurological symptoms