Evidence supporting the use of: Folate
For the health condition: Depression

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Folate (vitamin B9) has scientific support for its use as an adjunctive treatment in depression, especially in individuals with low folate levels or specific genetic polymorphisms (such as MTHFR mutations) that impair folate metabolism. Multiple clinical studies and meta-analyses suggest that people with depression often have lower folate levels compared to the general population. Low folate status has been associated with poorer response to standard antidepressants and greater severity of depressive symptoms. Supplementing with folate—particularly in the form of L-methylfolate, the bioactive form—has been shown in randomized controlled trials to enhance the efficacy of antidepressant medications in some patients, especially those with treatment-resistant depression or genetic impairments in folate metabolism.

However, the evidence is not universally strong. The benefit appears most pronounced in individuals with documented folate deficiency or specific genetic profiles. For the general population of people with depression, results are mixed, with some studies showing modest benefit and others showing little or no effect. Consequently, clinical guidelines sometimes recommend folate supplementation as an adjunct for certain patients with depression, but it is not considered a first-line treatment. Overall, while folate has a scientific basis for use in depression, particularly as an adjunct in specific subgroups, its efficacy does not reach the level of standard antidepressant therapies.

More about folate
More about Depression

Other ingredients used for Depression

5-Hydroxytryptophan (5-HTP)
5-methyltetrahydrofolate glucosamine
7,8-Dihydroxyflavone
Acetyl L-carnitine
Acetyl-L-Tyrosine
Agarwood
Agmatine
Albizia
algal oil
Algal protein
Almond fruit
Alpha lactalbumin
alpha-linolenic acid (ALA)
alpinia galangal
amino acids
Amor seco
anchovies
Angelica
aniracetam
anthocyanins
apigenin
Ardisia
arginine creatine
ashwagandha
Asteraceae
Bacopa
Bacopin
bacoside
baicalin
Baikal Skullcap
basil
bee products
Beef liver
bergamot
beta caryophyllene
beta-hydroxybutyrate
betony
Bifidobacterium longum
biogenic amine
biopterin
Black Hellebore
black tea
blackboard tree
brahmi
Broussonetia
Butea monosperma
butyric acid
bасора
Caesalpinia crista
caffeine
Camellia sinensis
cannabichromene
cannabidiol
Cannabis sativa oil
Canscora
caryophyllene
catalpol
Centella asiatica
chamomile
Chinese raisintree
Chinese salvia root
chocolate
choline
cistanche
citicoline
Citrus
Clary sage
clove
cocoa
coconut
Codonopsis
coenzyme Q10 (CoQ10)
cola nut
commiphora
Convolvulus pluricaulis
Convolvulus prostratus
cordyceps
cowslip
creatine
creatine monohydrate
crocin
Curcuma
curcumen
curcumin
Curcuminoid
Cymbopogon martini
D-phenylalanine
damiana
devil\'s club
DHA (docosahexaenoic acid)
DHEA
DHEA (dehydroepiandrosterone)
docosahexaenoic Acid
dodder
dopamine
DPA (docosapentaenoic acid)
egg
eicosapentaenoic acid
Eicosatetraenoic acid
eleuthero
EPA (eicosapentaenoic acid)
epigallocatechin gallate (EGCG)
estrogen
fatty acids
fish
fish oil
fish protein
flavonoids
flavonols
folate
folic acid
folinic acid
fragrant rosewood
frankincense
fungus
gardenia
gastrodia
gastrodin
ginger
ginkgo biloba
ginseng
Ginsenosides
Glutamate
Glycine
gotu kola
Greek mountain tea
green tea
Griffonia simplicifolia
guanidinoacetic acid
Gypenoside
Helicteres isora
Hellebore
hemp
hemp oil
hericium mushroom
Honokiol
hyperforin
Hypericin
Hypericum
icariin
Indian fagonia
Indian frankincense
Indian tinospora
inositol
inositol phosphate
isoliquiritigenin
jasmine
Jatamansi
jujube
kanna
Kokilaksha
krill oil
l-5-methyltetrahydrofolate glucosamine salt (5-MTHF)
L-carnosine
L-glycine
L-methionine
L-phenylalanine
L-theanine
L-tryptophan
l-tyrosine
lactalbumin
lactium casein decapeptide
lactoglobulin
Large-leaved linden
Lavandin
lavender
Lebbek
lemon balm
lemongrass
ligustilides
limonene
linalool
lingzhi
lion's mane
lipids
liquid liver fractions
lithium orotate
little ironweed
long pepper
luteolin
Lycopodium
maca
magnesium
magnolia
magnolol
Marine fat
Marine lipid
Marine protein
Matcha
Meadow sage
Melatonin
Mesembrine
Methylcobalamin
Methylxanthine
Milk Protein
Mimosa
Monkey flower
Morinda
Moringa
Mugwort
Muira puama
Mulungu
N-acetyl-cysteine (NAC)
Nardostachys
Nigella seed
Nutmeg
Nymphaea caerulea
Nymphaea nouchali
omega-3 fatty acids
Onosma bracteatum
Oroxylum indicum
Osthole
Oxindole alkaloids
paeoniflorin
Palmitoylethanolamide (PEA)
Patchouli oil
Pentacyclic triterpenoids
peony
Petiveria
phenolic compounds
Phenylethylamine (PEA)
phosphatidylserine
Phosphocreatine
phospholipids
Physalis angulata
phytocannabinoids
Phytoestrogens
Piper nigrum
poly-thyronine
Polygala
polygala root
Polygonatum
polyphenols
polyunsaturated fat
pomegranate
prebiotic blend (proprietary)
pregnenolone
protein
Pulsatilla
Purple Monkeyflower
pyrroloquinoline quinone
quercetin
reishi mushroom
resveratrol
Rhodiola
Rosabin
rosavins
rose
rose oil
rosemary
rosmarinic acid
royal jelly
Rubiaceae
rue
Safed musli
saffron
Safranal
sage
Salidroside
Salmon Oil
Salvia
SAMe (S-adenosyl-L-methionine disulfate p-toluensulfate)
Sandalwood
Sarcosine
sceletium
Schizochytrium Oil
Scleranthus annus
selenium
Sensitive Plant
Sete sangrias
Shankhpushpi
Shilajit
Sichuan Lovage
specialized pro-resolving mediators (SPMs)
Sphaeranthus indicus
Spikenard
spirulina
St. John's Wort
star of Bethlehem
Stereospermum
Sulbutiamine
suma
Sweet Orange alcohol
Tea
Terpenoids
Tetrahydropalmatine
Thymoquinone
thyroid substance
Tongkat ali
trace minerals
Trichilia catigua
Tumerone
turmeric
Uncaria
Uridine
Valerian root
velvet bean
Vervain
Vetiver
vitamin B
vitamin B12
vitamin B6
vitamin C
vitamin D
vitamin D3
Walnut
Waterhyssop
Whey protein
Withanolides
Wogonin
Wulinshen
Xanthophyll
Xylaria nigripes
Yerba buena
Yerba mate
Ylang ylang
Yohimbine
Yuzu
Zinc
Zingiberene
Zucchini

Products containing folate

Thorne 5-MTHF 1 mg Folate
Thorne 5-MTHF 5 mg Folate
Integrative Therapeutics Active B-Complex
Vitabase Active Man's Formula
Vitabase Active Woman's Multi
Metagenics AdvaClear
Metagenics AdvaClear
Thorne Advanced Bone Support Oscap
Thorne Advanced Nutrients Multivitamin
Metagenics ArginCor®
Metagenics Arginine Plus™
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 Folate
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
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
Thorne Craving and Stress Support Relora Plus
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
Pure Encapsulations DopaPlus
Vitabase Easy Iron
Pure Encapsulations Energize Plus™ Pure Pack
Metagenics EstroFactors®
Metagenics Fem Prenatal®
Designs For Health FemGuard+Balance™
Thorne Ferrasorb
Metagenics FolaPro
Pure Encapsulations Folate 1,000
Pure Encapsulations Folate 400
Pure Encapsulations Folate 5,000
Pure Encapsulations Folate 5,000 Plus
Pure Encapsulations Folic Acid
Metagenics GI Sustain™ Powder
Metagenics Glutagenics
Integrative Therapeutics Glycemic Manager
Metagenics Glycogenics
Vitabase Hair, Skin & Nails Formula
Pure Encapsulations Hair/Skin/Nails Ultra
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 ™
Designs For Health L-5-MTHF 1700MCG
Designs For Health L-5-MTHF 8500 MCG
Thorne L-Arginine Plus Perfusia Plus
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
Integrative Therapeutics Liquid Iron
Thorne MediClear Plus
Thorne Men's Multi 50+
Metagenics Meta-Sitosterol™ 2.0
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
Douglas Laboratories Methyl Folate
Douglas Laboratories Methyl Folate
Douglas Laboratories Methyl Folate 5 mg
Thorne Methyl-Guard
Thorne Methyl-Guard Plus
Pure Encapsulations MethylAssist
Metagenics MethylCare
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
Pure Encapsulations NeuroMood Pure Pack
Pure Encapsulations NeuroPure
Designs For Health NeuroRenew™
Designs For Health NOx Synergy™
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
Thorne Ovarian Care
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
Pure Encapsulations SeroPlus
Metagenics SeroSyn
Thorne Stress B-Complex
Douglas Laboratories Stress-B-Plus ™
Designs For Health Super Liquid Folate
Vitabase Super Stress Formula
Metagenics Testralin®
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
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