Overview
Vitamin B12 is an essential nutrient with far-reaching cognitive implications. Almost all of its benefits stem from the role vitamin B12 plays in the process known as "methylation," which affects all aspects of our brains and bodies.
Mechanism
In particular, studies have shown that vitamin B12 helps with neuroprotection by reducing neurotoxicity. For older people, it is even more important for preventing cognitive decline and neurodegenerative diseases. Other benefits include improved memory, concentration and executive function.
Benefits
Depression prevention and treatment
Promotes brain health
Reduced risk of macular degeneration
References
1. Kennedy DO. B Vitamins and the Brain: Mechanisms, Dose and Efficacy - A Review. Nutrients 2016; 8(2):68.
2. De Ridder K, Bel S, Brocatus L, Cuypers K, Lebacq T, Moyersoen I, Ost C & Teppers E. Food consumption and nutrient intake. In: Bel S, Tafforeau J (ed.). Food consumption survey 2014-2015. Report 4. WIV-ISP, Brussels, 2016.
3. Blumenthal M, Goldberg A, Brinckmann J. Herbal medicine, expanded Commission E Monographs. American Botanical Council 2000; pp170-7.