Vitamin B12 (vitamin B12)
Synopsis
Vitamin B12 is a water-soluble B vitamin essential for red blood cell formation, DNA synthesis, nervous system function, and energy production. It is primarily found in animal products and is especially important for vegetarians, vegans, and individuals with impaired absorption. B12 supports cognitive health, mood regulation, and metabolic function, and deficiencies can lead to anemia, fatigue, and neurological issues. Active forms like methylcobalamin and adenosylcobalamin are highly bioavailable.
Uses: Health Conditions
Anemia (Traditional)
Anorexia (Traditional)
Anxiety (Traditional)
Anxiety Disorders (Traditional)
Apathy (Traditional)
Attention Deficit Disorder (Traditional)
Bell's Palsy (Traditional)
Birth Defects (prevention) (Traditional)
Bulimia (Traditional)
Burning Feet or Hands (Traditional)
Canker Sores (Traditional)
Carpal Tunnel Syndrome (Traditional)
Down Syndrome (Traditional)
Emotional Sensitivity (Traditional)
Endurance (lack of) (Traditional)
Energy (lack of) (Traditional)
Erectile Dysfunction (Traditional)
Exercise (Traditional)
Fainting (Traditional)
Fat Cravings (Traditional)
Fatigue (Traditional)
Fear (excessive) (Traditional)
Fibromyalgia Syndrome (Traditional)
Fingernail Biting (Traditional)
Fingernails (weak or brittle) (Traditional)
Grief and Sadness (Traditional)
Hair (graying) (Traditional)
Hair (loss or thinning) (Traditional)
Hair Care (general) (Traditional)
Hashimoto's Disease (Traditional)
Hearing Loss (Traditional)
Hypothyroid (Traditional)
Infertility (Traditional)
Memory and Brain Function (Traditional)
Mental Illness (Traditional)
Miscarriage (prevention) (Traditional)
Mood Swings (Traditional)
Multiple Sclerosis (Traditional)
Muscle Tone (lack of) (Traditional)
Muscular Dystrophy (Traditional)
Myasthenia Gravis (Traditional)
Narcolepsy (Traditional)
Nerve Damage (Traditional)
Nervous Exhaustion (Traditional)
Nervousness (Traditional)
Neuralgia and Neuritis (Traditional)
Neurosis (Traditional)
Night Sweating (Traditional)
Nightmares (Traditional)
Nocturnal Emission (Traditional)
Numbness (Traditional)
Nursing (Traditional)
Obsessive Compulsive Disorder (Traditional)
Oxygen Deficiency (Traditional)
Pancreatitis (Traditional)
Paralysis (Traditional)
Pernicious Anemia (Traditional)
Post Partum Depression (Traditional)
Post Partum Weakness (Traditional)
Restless Leg Syndrome (Traditional)
Reye's Syndrome (Traditional)
Schizophrenia (Traditional)
Seasonal Affective Disorder (Traditional)
Senility (Traditional)
Small Intestinal Bacterial Overgrowth (Traditional)
Smell (loss of) (Traditional)
Sore or Geographic Tongue (Traditional)
Products containing this ingredient
Integrative Therapeutics
Active B-Complex
Vitabase
Active Man's Formula
Vitabase
Active Woman's Multi
Pure Encapsulations
Adenosyl/Hydroxy B12
Pure Encapsulations
Adenosyl/Hydroxy B12 Liquid
Metagenics
AdvaClear
Metagenics
AdvaClear
Thorne
Advanced Bone Support Oscap
Thorne
Advanced Nutrients Multivitamin
Pure Encapsulations
Amino-NR
Metagenics
Axis Endo™ Mango
Douglas Laboratories
B-Complex
Vitabase
B-Complex 100 mg Sustained Release
Thorne
B-Complex #12
Thorne
B-Complex #6
Pure Encapsulations
B-Complex Plus
Pure Encapsulations
B-Complex Plus
Designs For Health
B-Supreme
Designs For Health
B-Supreme
Pure Encapsulations
B12 5000 liquid
Integrative Therapeutics
B12-Active
Pure Encapsulations
B12 Folate
Pure Encapsulations
B12 Liquid
Pure Encapsulations
B6 Complex
Pure Encapsulations
B6 Complex
Thorne
Basic B Complex
Thorne
Basic Nutrients 2/Day Multivitamin
Thorne
Basic Prenatal Multivitamin
Metagenics
Blisphora®
Thorne
Catalyte
Designs For Health
CatecholaCalm™
Metagenics
Ceralin® Forte
Vitabase
Cholesterol Support
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Berry
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus pH
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Vanilla
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Berry
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Chai
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Berry
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus pH Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Berry
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Chai
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Vanilla
Metagenics
Clear Change Daily Essentials
Integrative Therapeutics
Clinical Nutrients HP
Designs For Health
CraveArrest™
Thorne
Craving and Stress Support Relora Plus
Integrative Therapeutics
Detoxication Factors
Integrative Therapeutics
Detoxication Factors
Designs For Health
DFH Complete Multi™
Designs For Health
DFH Complete Multi™ with Copper
Designs For Health
DFH Complete Multi™ with Copper & Iron
Vitabase
Easy Iron
Pure Encapsulations
Energize Plus™ Pure Pack
Metagenics
EstroFactors®
Metagenics
Fem Prenatal®
Designs For Health
FemGuard+Balance™
Thorne
Ferrasorb
Pure Encapsulations
Folate 5,000 Plus
Metagenics
GI Sustain™ Powder
Metagenics
Glutagenics
Integrative Therapeutics
Glycemic Manager
Metagenics
Glycogenics
Vitabase
Hair, Skin & Nails Formula
Metagenics
Hemagenics
Metagenics
Hemagenics
Metagenics
HerSynergy®
Pure Encapsulations
Homocysteine Factors
Pure Encapsulations
Homocysteine Factors
Designs For Health
Homocysteine Supreme™
Designs For Health
Homocysteine Supreme™
Metagenics
Intrinsi B-12 Folate
Metagenics
Intrinsi B12-Folate
Integrative Therapeutics
Iron Complex
Integrative Therapeutics
K-PAX MitoNutrients
Metagenics
Ketogenic Shake Chocolate
Metagenics
Ketogenic Shake Vanilla
Klean Athlete
Klean B-Complex
Klean Athlete
Klean Multivitamin ™
Vitabase
Life's Essentials Plus
Metagenics
Lipo-Gen™
Metagenics
Lipo-Gen
Designs For Health
Liposomal B Supreme
Integrative Therapeutics
Lipotropic Complex
Pure Encapsulations
Lipotropic Detox
Pure Encapsulations
Liquid B-Complex
Douglas Laboratories
Liquid B12
Integrative Therapeutics
Liquid Iron
Designs For Health
Lithium Synergy
Designs For Health
LV-GB Complex™
Thorne
MediClear Plus
Thorne
Men's Multi 50+
Designs For Health
Metabolic Synergy™
Designs For Health
Metabolic Synergy™
Metagenics
MetaGlycemX™
Metagenics
MetaGlycemX
Metagenics
MetaKids Multi Soft Chew Grape
Metagenics
MetaKids Nutrition Powder Chocolate
Metagenics
MetaKids Nutrition Powder Vanilla
Metagenics
MetaRelax®
Douglas Laboratories
Methyl B12 Plus
Thorne
Methyl-Guard
Thorne
Methyl-Guard Plus
Pure Encapsulations
MethylAssist
Metagenics
MethylCare
Pure Encapsulations
Methylcobalamin 1,000 mcg
Pure Encapsulations
Methylcobalamin 1,000 mcg
Designs For Health
Mitochondrial NRG™
Metagenics
MitoVive
Designs For Health
Mood-Stasis™
Pure Encapsulations
Multi t/d
Pure Encapsulations
Multi t/d
Thorne
Multi-Vitamin Elite NSF
Thorne
Multi-Vitamin Elite NSF
Metagenics
Multigenics®
Metagenics
Multigenics Chewable Orange
Metagenics
Multigenics Intensive Care
Metagenics
Multigenics Intensive Care without Iron
Metagenics
Multigenics without Iron
Integrative Therapeutics
Multiplex-1 No-Iron
Designs For Health
NeuroCalm™
Pure Encapsulations
NeuroMood Pure Pack
Designs For Health
NeuroRenew™
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950® A without Copper & Iron
Pure Encapsulations
Nutrient 950® with NAC
Pure Encapsulations
Nutrient 950® with Vitamin K
Pure Encapsulations
Nutrient 950® without Copper, Iron & Iodine
Pure Encapsulations
Nutrient 950® without Iron
Pure Encapsulations
Nutrient 950® without Iron
Integrative Therapeutics
Nutrivitamin No-Iron
Pure Encapsulations
O.N.E.™ Multivitamin
Pure Encapsulations
O.N.E.™ Multivitamin
Pure Encapsulations
O.N.E.™ Multivitamin
Designs For Health
OcuForce™
Integrative Therapeutics
Osteoprime Forte
Integrative Therapeutics
Osteoprime Ultra
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™ Detox Program
Designs For Health
PaleoCleanse Plus™Chocolate Detox Kit
Designs For Health
PaleoMeal®
Designs For Health
PaleoMeal®
Integrative Therapeutics
Physicians Elemental Diet Dextrose Free
Integrative Therapeutics
Physician's Elemental Diet
Integrative Therapeutics
Physician's Elemental Diet
Integrative Therapeutics
Physicians Elemental Diet Kit
Metagenics
PhytoMulti™ Multivitamin
Metagenics
PhytoMulti With Iron
Metagenics
PhytoMulti Without Iron
Metagenics
PhytoMultivitamin
Designs For Health
Plant Protein Cleanse
Designs For Health
Plant Protein Cleanse Plus™ 570g
Designs For Health
Plant Protein Meal
Designs For Health
Plant Protein Meal Plus
Designs For Health
Plant Protein Meal
Metagenics
PlusOne® Daily Prenatal Packs
Pure Encapsulations
Polyphenol Nutrients
Pure Encapsulations
Polyphenol Nutrients
Douglas Laboratories
Prenatal
Pure Encapsulations
PreNatal Nutrients
Pure Encapsulations
PreNatal Nutrients
Designs For Health
Prenatal Pro™
Designs For Health
Primal Multi™
Integrative Therapeutics
ProThrivers Multivitamin
Pure Encapsulations
PureGenomics® B-Complex
Pure Encapsulations
PureGenomics® Multivitamin
Pure Encapsulations
PureGenomics® UltraMultivitamin
Pure Encapsulations
PureLean® Protein
Pure Encapsulations
PureMelt B12 Folate
Pure Encapsulations
PurePals
Pure Encapsulations
PurePals with Iron
Pure Encapsulations
PureResponse™ Multivitamin
Douglas Laboratories
Relora ®-Plex
Metagenics
Renagen™ DTX
Pure Encapsulations
RevitalAge™ Nerve
Designs For Health
SAMe
Designs For Health
SAMe
Metagenics
SeroSyn
Thorne
Stress B-Complex
Douglas Laboratories
Stress-B-Plus ™
Designs For Health
Super Liquid Folate
Vitabase
Super Stress Formula
Metagenics
Testralin®
Thorne
Thyrocsin
Designs For Health
Tricobalamin™ lozenges
Designs For Health
Trifolamin™ lozenges
Designs For Health
Twice Daily Essential Packets
Designs For Health
Twice Daily Multi™
Designs For Health
Twice Daily Multi™
Designs For Health
Twice Daily Multi™
Douglas Laboratories
Ultra B-Complex
Pure Encapsulations
Ultra B-Complex with PQQ
Designs For Health
Ultra B12-Folate
Metagenics
Ultra Glucose Control® Chocolate
Metagenics
Ultra Glucose Control Chocolate
Metagenics
Ultra Glucose Control Vanilla
Metagenics
Ultra Glucose Control Vanilla
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive ® 2 Daily
Douglas Laboratories
Ultra Preventive 50+ -EZ Swallow
Douglas Laboratories
Ultra Preventive ®-EZ Swallow
Douglas Laboratories
ULTRA PREVENTIVE® III W/COPPER
Douglas Laboratories
Ultra Preventive ® Kids Grape Flavor
Douglas Laboratories
Ultra Preventive ® Kids Orange Flavor
Douglas Laboratories
Ultra Preventive One Daily
Douglas Laboratories
Ultra Preventive® X
Douglas Laboratories
Ultra Protein Green
Pure Encapsulations
Ultra Pure Pack
Metagenics
UltraClear Detox Powder
Metagenics
UltraClear Plus® Detox Powder
Metagenics
UltraClear Plus Detox Powder Berry
Metagenics
UltraClear Plus Detox Powder Pineapple/Banana
Metagenics
UltraClear Plus pH Detox Powder Pineapple/Banana
Metagenics
UltraClear Plus pH Detox Powder Vanilla
Metagenics
UltraClear RENEW Detox Powder Berry
Metagenics
UltraClear RENEW Detox Powder Chai
Metagenics
UltraClear RENEW Detox Powder Vanilla
Pure Encapsulations
UltraDetox 10-Day Pure Pack
Metagenics
UltraGI Replenish® Chocolate
Metagenics
UltraGI Replenish Chocolate
Metagenics
UltraGI Replenish Vanilla
Metagenics
UltraGI Replenish Vanilla
Metagenics
UltraInflamX Plus 360°® Chocolate/Orange
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Orange
Metagenics
UltraInflamX Plus 360° Original Spice
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraMeal Advanced Protein® Dutch Chocolate
Metagenics
UltraMeal Advanced Protein French Vanilla
Metagenics
UltraMeal Advanced Protein Plain
Metagenics
UltraMeal Cardio 360°® Pea/Rice Chocolate
Metagenics
UltraMeal Cardio 360° Pea/Rice Vanilla
Metagenics
UltraMeal® Daily Support Dutch Chocolate
Metagenics
UltraMeal Daily Support Mixed Berry
Metagenics
UltraMeal Rice Vanilla
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
VisionPro Nutrients
Designs For Health
Vitamin B12 Lozenges
Thorne
Vitamin B12 Methylcobalamin
Metagenics
Wellness Essentials Active Daily Packs
Metagenics
Wellness Essentials Brain Health Daily Packs
Metagenics
Wellness Essentials® Daily Packs
Metagenics
Wellness Essentials Healthy Balance Daily Packs
Metagenics
Wellness Essentials Men's Vitality Daily Packs
Metagenics
Wellness Essentials Women's Daily Packs
Metagenics
Wellness Essentials Women's Prime Daily Packs
Thorne
Women's Multi 50+
Pure Encapsulations
Women's Nutrients
Pure Encapsulations
Women's Nutrients
Designs For Health
Women's Twice Daily Essential Packets