Synopsis

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

Dihydrolipoic Acid and Free Radical Damage: Scientific Evidence

Dihydrolipoic acid (DHLA) is the reduced form of alpha-lipoic acid, a compound that has garnered significant scientific attention for its antioxidant properties. DHLA is a potent antioxidant, capable of scavenging a variety of reactive oxygen species (free radicals) and regenerating other antioxidants such as vitamin C and glutathione. Its unique chemical structure allows it to function in both aqueous and lipid environments, making it versatile in cellular antioxidant defense.

Preclinical studies (in vitro and animal models) have consistently shown that DHLA can neutralize free radicals and protect against oxidative damage. These studies indicate that DHLA can reduce oxidative stress markers, inhibit lipid peroxidation, and improve cellular redox status. Some mechanistic studies also highlight DHLA’s ability to chelate metal ions, thereby limiting free radical generation via the Fenton reaction.

However, while the scientific rationale for DHLA’s use in mitigating free radical damage is strong, direct human clinical trials using DHLA specifically (as opposed to alpha-lipoic acid itself) are limited. Most clinical studies have focused on alpha-lipoic acid supplementation, which is partly converted to DHLA in the body. These studies suggest benefit in conditions characterized by oxidative stress, such as diabetic neuropathy, but the evidence is not robust enough to warrant a higher rating due to the lack of large-scale, DHLA-specific trials.

In summary, the use of DHLA to support or treat free radical damage is supported by a solid biochemical rationale and preclinical evidence, but direct clinical evidence is still emerging.

More about dihydrolipoic acid
More about Free Radical Damage

Other ingredients used for Free Radical Damage

1,2-di-galloyl-4,6hexahydroxydiphenoyl-D-glucose
3,3'-dihydroxy-B-carotene-4,4'-dione
3-Isomangostin
5,7-Dimethoxyflavone
7,4-Dimethoxyflavone
7-hydroxymatairesinol (HMR)
Acacetin
Acai berry
Acer truncatum
Acetyl L-carnitine
Algae
Algal protein
Allophycocyanin
Alpha-carotene
alpha-glycosyl isoquercitrin
alpha-lipoic acid
amentoflavone
amethoflavone
amino acids
ankaflavin
anthocyanidins
anthocyanins
anthocyanosides
antirrhinin
apigenin
apocarotenal
apocynin
apricot
arctiin
argan nut oil
Arjunolic acid
Aronia melanocarpa
ascorbigen
ascorbyl palmitate
astaxanthin
astragaloside
astragalus
Auricularia
Autumn Olive
avocado
baccosides
bacoside
baicalin
Basidiomycota
basil
bee pollen
benfotiamine
berry
beta-carotene
beta-hydroxybutyrate
beta-tocopherol
beta-zeacarotene
betanin
BHA (butylated hydroxyanisole)
BHT (butylated hydroxytoluene)
bilberry
bioflavonoids
black currant
black garlic
black tea
blackberry
blueberry
bok choy
boysenberry
Brassica
Brazil nut
broccoli
Brussel sprouts
C-phycocyanin
caffeic Acid
caffeine
Camellia sinensis
camu camu
canthaxanthin
capsanthin
capsorubin
carnosic acid
Carnosine
carnosol
carotene (unspecified)
cashew
catalase
catechins
caterpillar mushroom
cauliflower
chebulic acid
chebulinic acid
chocolate
chokeberry
chrysin
cichoric acid
cistanche
cocoa
coconut milk
coenzyme Q10 (CoQ10)
coffee fruit
crocetin
Crypthecodinium
cryptoxanthin
cupric ascorbate
dehydroascorbic acid
delphinidin
delta-tocopherol
desoxyrhaponticin
dibenzo-alpha pyrones
dihydrolipoic acid
diosmetin
dismutase
dragon fruit
Dumontiaceae
Dunaliella
Dunaliella salina
Ecklonia
ellagic acid
emblicanin
epicatechin
epigallocatechin gallate (EGCG)
ergothioneine
eriodictyol
erythorbic acid
ethylgallate
fatty acids
ferulic acid
fish protein
flavanones
flavans
flavin mononucleotide
flavoglycosides
flavones
flavonols
flavonones
fruit blend (proprietary)
fucoidan
fulvic acid
furanosterols
Gac
gamma-carotene
gamma-glutamylcysteine
ganoderma
Garcinone C
Garcinone E
ginseng
Ginsenosides
Glucan peptides
Glutathione
goji berry
grape
green tea
greens blend (proprietary)
guarana
Haematococcus pluvialis
hesperetin
hesperidin
HMR lignan
honeybush
hydroxycinnamic acid
hydroxyphenylethanols
hydroxytyrosol
Idebenone
isoascorbate
isovitexin
Jaboticaba
Kaempferol
kucha tea
L-carnosine
L-cysteine
L-glutathione
L-glycine
Lentinula edodes mycelia
Leucodelphinidin
lingzhi
lipids
lutein
Lycium
macadamia
malvidin
mangiferin
mangostanol
mangostene xanthone
Matcha
Mate
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Methoxylated flavones
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Mineral ascorbate
mixed carotenoids
Myricitrin
N-acetyl-cysteine (NAC)
N-Caffeoyldopamine
Neoandrographolides
Neoxanthin
nicotinamide riboside
Oligomeric proanthocyanidins
omega-3 fatty acids
oyster mushroom
papaya
Pecan
Pentacyclic triterpenoids
Pentose phosphate
phenolic compounds
Phosphate ascorbate
phospholipids
Phthalides
Phycocyanin
Phytoene
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Phytoplankton
pine bark
Plankton
Pleurotus eryngii
polymethoxylated flavones
polyphenols
polyporous mushroom
proanthocyanidins
procyanidin
procyanidol
propyl gallate
punicalagins
punicosides
Pycnogenol
pyrroloquinoline disodium salt
pyrroloquinoline quinone
quercetin
raspberry
reishi mushroom
resveratrol
rhammetin
Ribose-l-cysteine
robusta coffee
Rooibos
rosmarinic acid
royal jelly
Salidroside
Schisandrins
Scopoletin
selenium
Sesamolin
Shilajit
Silychristin
spirulina
Squalene
strawberry
Tangeretin
Taxifolin
Theaflavin
Tiliroside
Tremella
Trigalloyl glucose
turmeric
Tyrosol
ubiquinol
Uncaria
Vanillin
vegetable blend (proprietary)
Vestitol
vitamin C
vitamin E
Walnut
wheat germ
Whey protein
White Tea
Withanolides
Xanthone
Xanthophyll
Xylaria nigripes
Yumberry
Zinc

Other health conditions supported by dihydrolipoic acid

Alzheimer's Disease
Diabetes
Diabetic Retinopathy
Free Radical Damage
Metabolic Syndrome
Multiple Sclerosis
Peripheral Neuropathy

Products containing dihydrolipoic acid

We currently have no products on Vitabase that contain this ingredient.