Supplements (0) for Vitamin B12


Vitamin B12 is a water-soluble nutrient that supports nerve tissue health, brain function, and the production of red blood cells and DNA. It plays an important role in energy metabolism and helps maintain healthy blood cells.

Good for
Anti-AgingHighest effectEssential for neurological health, energy metabolism, and DNA methylation. Absorption declines significantly with age, making supplementation critical for preventing cognitive decline and fatigue.Brain HealthHighest effectCritical for maintaining the myelin sheath that protects nerves and for preventing neurological decline.Cognitive SupportHighest effectCritical for maintaining the myelin sheath that protects nerve cells and for synthesizing key neurotransmitters.DetoxificationHighest effectActs as a cofactor in the methylation cycle that supports Phase II detoxification.EnergyHighest effectCrucial for converting food into usable energy and for forming red blood cells. A deficiency directly leads to fatigue and a specific type of anemia.General HealthHighest effectEssential for energy production, nerve function, and red blood cell formation; deficiency is common.Mental FocusHighest effectCritical for neurological function, red blood cell formation for oxygen transport to the brain, and synthesis of key neurotransmitters.Metabolism BoostHighest effectEssential for the metabolism of fats and proteins, and plays a key role in energy production at the cellular level.Mood SupportHighest effectCrucial for neurological function and methylation pathways involved in producing mood-regulating neurotransmitters; deficiency can directly cause mood symptoms.Productivity BoostHighest effectFundamentally required for energy metabolism in the brain and preventing fatigue.Productivity BoostHighest effectFundamentally required for energy metabolism in the brain and preventing fatigue.Cardiovascular SupportHigh effectWorks with Folate and B6 to metabolize homocysteine, a major cardiovascular risk factor.Heart HealthHigh effectWorks synergistically with Folate and B6 to lower homocysteine, a risk factor for vascular damage. Essential for nerve health and red blood cell formation.Stress ReliefHigh effectCritical for nervous system function, energy production, and methylation, which are all taxed by chronic stress.Bone HealthModerate effectHelps regulate homocysteine levels, which, when elevated, can weaken the bone matrix.Hair HealthModerate effectSupports red blood cell production, ensuring hair follicles receive sufficient oxygen for healthy growth.Nail HealthSituational effectEssential for cell division and red blood cell formation; deficiency can impair nail growth and cause discoloration.
Across 493 Vitamin B12 products
Optimal dose250 mcg – 500 mcgRDA2 mcg
Price$22.99median
Price per serving$0.46median
Price per 100 mcg$0.19median
Top forms Mecobalactive 6 Methylcobalamin 537 Adenosylcobalamin 21 Dibencozide 10 Hydroxocobalamin 13 Hydroxycobalamin 5 Cyanocobalamin 361 natural Cyanocobalamin