Without it, B12 cannot enter the bloodstream, no matter how much you eat
However, Epithalon's promise comes with important caveats - most research conducted in Russia with limited Western validation, no FDA approval or large-scale international trials, long-term human safety data spanning years not decades, optimal dosing still based on Russian protocols rather than rigorous dose-finding studies, and mechanisms incompletely understood despite 40 years of research
In addition, unmetabolized acetyl groups in the brain may be incorporated into various neurotransmitters [114, 150], but it would be an exaggeration to suggest that the availability of acetyl groups has a direct impact on neurotransmitter release at synapses
The suspension was incubated on ice for 30 min with occasional gentle pipetting, then centrifuged at 2,500 g for 10 min at 4C