Evidence supporting the use of: Pyrroloquinoline quinone disodium salt
For the health condition: Depression

Links: Go back one page, Tool main page, Ingredients list, Health conditions list, Body systems list

Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Pyrroloquinoline quinone disodium salt (PQQ) has garnered some attention as a potential supplement to support mood and cognitive function, including depression. The scientific rationale is based on PQQ's role as a redox cofactor with antioxidant properties and its ability to modulate mitochondrial function and cellular signaling pathways. Animal studies have suggested that PQQ supplementation may attenuate stress-induced behavioral changes and reduce markers of oxidative stress and inflammation, which are implicated in the pathophysiology of depression.

Human data, however, remain limited. A small number of clinical studies—mostly open-label or pilot trials—have reported improvements in mood, fatigue, and sleep in participants taking PQQ supplements, but these studies often include mixed populations and subjective endpoints, with depression measured as part of broader quality-of-life assessments. For example, a 2012 open-label clinical trial (Nakano et al.) found that PQQ supplementation improved subjective measures of fatigue, sleep, and mood in healthy adults, but did not specifically target individuals with clinical depression or use standardized depression scales as primary outcomes.

In summary, while there is some preliminary scientific evidence and plausible biological mechanisms for PQQ's benefits in relation to mood and potentially depression, high-quality, large-scale randomized controlled trials focused specifically on depression are lacking. Therefore, current evidence supporting PQQ for depression is limited and should be regarded as preliminary.

More about Pyrroloquinoline quinone disodium salt
More about Depression

Other ingredients used for Depression

5-Hydroxytryptophan (5-HTP)
acetyl l-carnitine
algal oil
alpha-linolenic acid (ALA)
amino acids
anchovies
anthocyanins
ashwagandha
waterhyssop
basil
bergamot
beta caryophyllene
bifidobacterium longum
black tea
Indian frankincense
bасора
caffeine
cannabis sativa oil
chamomile
Chinese salvia root
choline
citicoline
clove
coenzyme Q10 (CoQ10)
cordyceps
creatine monohydrate
turmeric
curcumin
damiana
DHA (docosahexaeonic acid)
DHEA (dehydroepiandrosterone)
DPA (docosapentaenoic acid)
eleuthero
EPA (eicosapentaenoic acid)
epigallocatechin gallate (EGCG)
fish oil
fish protein
flavonols
folate
gardenia
ginger
ginkgo biloba
ginseng
gotu kola
greek mountain tea
green tea
hemp oil
Indian tinospora
inositol
jujube
krill oil
l-5-methyltetrahydrofolate glucosamine salt (5-MTHF)
l-carnosine
l-glycine
l-methionine
l-phenylalanine
l-theanine
l-tryptophan
l-tyrosine
lactium casein decapeptide
lavender
lion's mane
lithium orotate
liquid liver fractions
luteolin
maca
mackerel
magnesium
magnolia
marine lipid
matcha
melatonin
moringa
muira puama
n-acetyl-cysteine (NAC)
Acetyl-L-Tyrosine
omega-3 fatty acids
phenolic acids
phosphatidylserine
phospholipids
phytocannabinoids
polygala root
pomegranate
prebiotic blend (proprietary)
pregnenolone
protein
butyric acid
quercetin
reishi mushroom
resveratrol
rhodiola
rose oil
rosemary
saffron
sage
SAMe (s-adenosyl-l-methionine disulfate p-toluensulfate)
sardines
sceletium
selenium
specialized pro-resolving mediators (SPMs)
sphaeranthus indicus
spirulina
tongkat ali
almond fruit
valerian root
velvet bean
vitamin B
vitamin B12
vitamin B6
vitamin C
vitamin D
vitamin D3
whey protein
zinc
suma
gastrodia
mugwort
alpinia galangal
commiphora
blackboard tree
caesalpinia crista
peony
lingzhi
lemongrass
kanna
cistanche
dodder
morinda
royal jelly
polyphenols
trace minerals
St. John's Wort
yerba mate
hypothalamus
cocoa
thyroid substance
5-methyltetrahydrofolate glucosamine
7,8-Dihydroxyflavone
Arginine Creatine
Ardisia
Angelica
Apigenin
Albizia
Agmatine
Agarwood
Alpha lactalbumin
Asteracea
Algal protein
Aniracetam
Amor seco
Betony
Baikal Skullcap
Broussonetia
Beta-hydroxybutyrate
Biopterin
Butea monosperma
Beef liver
Bacopin
Brahmi
Bacopa
Bee products
bacoside
Baicalin
Black Hellebore
Biogenic amine
Camellia sinensis
Coconut
Caryophyllene
Common Monkey Flower
Crocin
Clary sage
Catalpol
Codonopsis
Curcuminoid
Citrus
Chinese Raisintree
Curcumen
Cymbopogon Martini
Centella asiatica
Chocolate
Creatine
Curcuma
Cowslip
Cannabidiol
Convolvulus prostratus
Convolvulus Pluricaulis
cola nut
Canscora
Cannabichromene
Docosahexaenoic Acid
D-phenylalanine
DHEA
Devil's Club
Dopamine
Egg
Eicosatetraenoic acid
Eicosapentaenoic Acid
Estrogen
Folinic Acid
Folic Acid
Flavonoids
Fragrant Rosewood
Fish
Fatty acids
Frankincense
Guanidinoacetic acid
Ginsenosides
Griffonia simplicifolia
Glutamate
Glycine
Gastrodin
jasmine
Little ironweed
Milk Protein
Mimosa
Phenylethylamine (PEA)
Rose
Spikenard
Shellfish
Sandalwood
Sweet Orange alcohol
Vervain
walnut
yohimbine
Zucchini

Products containing Pyrroloquinoline quinone disodium salt

We currently have no products on Caring Sunshine that contain this ingredient.