Some people find that they prefer to have smaller quantities of B12 injected weekly or fortnightly, and others would rather take larger doses of B12 monthly
It stimulates noradrenaline, dopamine, and (less-so) serotonin receptors
Comprehensive Health Support Vitamin B12 also supports a healthy nervous system, helping to maintain the protective myelin sheath around nerves
There are no other absolute contraindications reported for hydroxocobalamin use in deficiency states, but caution is advised in individuals with conditions such as early Lebers optic neuropathy (a rare hereditary optic atrophy) due to the theoretical risk of worsening vision
The global burden of disease attributable to high body mass index in 195 countries and territories, 19902017: an analysis of the Global Burden of Disease Study
But drinking regularly and to excess of course will cause health consequences and regular excess consumption can lead to absorption problems with B12 and other nutrients