Evidence supporting the use of: Vitamin B12
For the health condition: Anemia

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Synopsis

Source of validity: Scientific
Rating (out of 5): 5

Vitamin B12 is scientifically validated as an essential treatment for certain types of anemia, particularly megaloblastic anemia and pernicious anemia. These conditions arise due to a deficiency of vitamin B12, which is crucial for DNA synthesis in red blood cell production. Without adequate B12, red blood cell precursors in the bone marrow cannot mature properly, resulting in large, immature, and dysfunctional red blood cells—a hallmark of megaloblastic anemia.

The connection between B12 and anemia was first recognized in the early 20th century, when pernicious anemia was a fatal disease until it was discovered that consuming liver (rich in B12) could reverse the symptoms. Subsequent research identified vitamin B12 as the critical factor in treating this disorder. Today, deficiency is diagnosed through blood tests, and standard therapy involves oral or intramuscular B12 supplementation, which reliably corrects anemia and prevents neurological complications.

Numerous clinical studies and decades of clinical practice confirm that vitamin B12 supplementation rapidly restores normal red blood cell production in deficient individuals, with improvement often seen within days to weeks. In contrast, B12 has no effect on anemias not caused by B12 deficiency. Thus, scientific evidence robustly supports the use of vitamin B12 for anemias resulting from its deficiency, earning this application the highest evidence rating.

More about vitamin B12
More about Anemia

Other ingredients used for Anemia

5-methyltetrahydrofolate glucosamine
Abalone
Abrus
Achyranthes
Adzuki bean
Aerva lanata
Agrimonia pilosa
Ajuga
Alchornea
Alfalfa
Algae
Algal protein
Allium tuberosum
amaranth
amino acids
anchovies
Angelica
animal protein
animal Tissue
apple
Ardisia
ashwagandha
aster root
Asteraceae
astragaloside
astragalus
Auricularia
Autumn Olive
Baccharoides anthelmintica
bael
banana
baobab
bean
bee pollen
bee products
beef
Beef liver
Beef Protein
beet
bermuda grass
berry
Bidens pilosa
biota seed
bird\'s nest
black cumin
black gram
black nightshade
blackberry
blackboard tree
Blepharis
Blue-Green Alage
Boerhavia diffusa
bok choy
Bombax
bone marrow
Borassus aethiopum
borassus palm
bovine
bovine liver
bovine protein
bovine spleen
breadnut
broad bean
broccoli
Brussel sprouts
Buckwheat
buffalo
Butea monosperma
butternut
C-phycocyanin
Caesalpinia crista
canihua
capillary artemisia
cashew
cassava
caterpillar mushroom
catjang cowpea
Celosia
cereal grass
chard
chestnut
chickpea protein
chlorella
Chlorophytum
cistanche
Citrus
coconut milk
Codonopsis
collard
cordyceps
cowpea
cumin
Curcuma
currant
Cyathula
Cynomorium
cytokines
date
deer root
dehydroascorbic acid
dodder
dog rose
Dolichos
dong quai
dong quai root
dragon fruit
dulse
dulse leaf
Eclipta
egg
Embelia
empresstree
Eupolyphaga sinensis
European five-finger grass
Fagopyrum
ferric ammonium citrate
ferric citrate
ferric orthophosphate
ferritin
fig
fish
fish protein
fo-ti
folate
folic acid
folinic acid
Foxtail millet
fructooligosaccharides (FOS)
fruit
fu ling
fulvic acid
ganoderma
garbanzo bean
garden cress
ginger
ginseng
Ginsenosides
goji berry
gooseberry
greens blend (proprietary)
Helicteres isora
herbal blend (proprietary)
hibiscus
hijiki
Histidine
horse gram
Huang hua
hyacinth bean
Hygrophila
Ilex
Indian coraltree
Indian tinospora
intrinsic factor
iron
jujube
jungli-bean
kale
kidney beans
kiwi
Kokilaksha
l-5-methyltetrahydrofolate glucosamine salt (5-MTHF)
Labisia pumila
Lactoferrin
Land Cress
Laver
Legume protein
lemon
Lentil
Lentinula edodes mycelia
Leptadenia
licorice root
lingzhi
liquid liver fractions
little ironweed
longan
Loranthus
lotus seed
lucuma
Lycium
maca
Marine protein
Methylcobalamin
Microcos
Millet
millet seed
Mineral ascorbate
Molasses
Momordica
Morinda
Moringa
Morus
Mugwort
Mulberry
Mung bean
Nettle
Nigella seed
Nori
nut grass
oat
Onosma bracteatum
orange
oyster mushroom
Palmyra
parsley
paw paw
peony
Persimmon
Phaeophyceae
Phosphate ascorbate
Phycocyanin
Phyllanthus
Physalis angulata
Plankton
plantain
plum fruit
pollen
Polygonatum
pomegranate
pomelo
Portulaca
protein
Prunus
pumpkin
punarnava
purslane
pyridoxal-5-phosphate (P-5-P)
quail egg
quinoa
Rehmannia
rehmannia glutinosa
reishi mushroom
rhizome
riboflavin (vitamin B2)
root tuber
Rosa roxburghii
royal jelly
Rubia cordifolia
Rubia yunnanensis
Rubiaceae
Rubus
Rumex acetosa
seaweed
sesame
Sesbania
shen-chu
shepherd's purse
shiitake mushroom
Shilajit
Sicklepod
Solanum anguivi
soybean
spinach
spirulina
Stellaria dichotoma
Stereospermum
suma
Tamarind
Taraxacum
Taxillus chinensis
Tayuya
Terminalia
Thaumatococcus daniellii
Tinospora cordifolia
trace minerals
Trichosanthes
Triphala
Tropical jewel hisbiscus
Vegetable Protein
vitamin A
vitamin B
vitamin B12
vitamin B6
vitamin C
vitamin D
vitamin D3
vitamin E
Wakame
Watercress
wheat germ
wheat grass
Wulinshen
Yeast
Yellow Dock
Zinc
Zucchini

Products containing vitamin B12

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