Vitamin B12 acts as a coenzyme in several metabolic processes and is crucial for: DNA replication Cell division Nerve protection and regeneration (in the CNS and brain) Haematopoiesis (blood formation) Cellular respiration (of the mitochondria) Synthesis of neurotransmitters (chemical messengers) Liposomal Bioactives: Vitamin B12 (Methylcobalamin) and Lecithin are both nootropics. Dosage Amount: 250 micrograms per ΒΌ measuring tsp Approx. 2 pumps