Date published: 2026-4-24

1-800-457-3801

SCBT Portrait Logo
Seach Input

GPx-5 Activators

Glutathione peroxidases (GPx) are a family of enzymes that play crucial roles in protecting cells from oxidative damage by reducing lipid hydroperoxides to their corresponding alcohols and free hydrogen peroxide to water. The family comprises several isoforms, with GPx-5 being one of them. These enzymes utilize glutathione (GSH) as a cofactor, converting it to its oxidized form, glutathione disulfide (GSSG), in the process. The reaction is reversible, with GSSG being reduced back to GSH by another enzyme called glutathione reductase, in the presence of NADPH.

GPx-5, specifically, has unique characteristics distinguishing it from other members of the GPx family. Predominantly found in the epididymis of mammals, GPx-5 has a role in male fertility, as it safeguards spermatozoa from oxidative stress. This unique location and function make GPx-5 a subject of interest in understanding the biochemistry of male reproduction. Various compounds, both endogenous and exogenous, could potentially influence the activity of GPx-5. While some may enhance the enzyme's function, others could inhibit it. The exact mechanisms by which these substances modulate GPx-5 activity can vary, and research is ongoing to further delineate these processes.

SEE ALSO...

Items 1 to 10 of 12 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

D,L-Sulforaphane

4478-93-7sc-207495A
sc-207495B
sc-207495C
sc-207495
sc-207495E
sc-207495D
5 mg
10 mg
25 mg
1 g
10 g
250 mg
$153.00
$292.00
$489.00
$1325.00
$8465.00
$933.00
22
(1)

Sulforaphane is a compound found in cruciferous vegetables. It's known to upregulate the expression of genes associated with antioxidant defense, possibly via the NRF2 pathway.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Curcumin, found in turmeric, has been shown to increase the expression of various antioxidant enzymes. It may activate transcription factors involved in antioxidant response.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$80.00
$220.00
$460.00
64
(2)

Resveratrol is a polyphenol present in grapes. It has potential antioxidative properties and can modulate the expression of genes involved in redox balance.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin is a flavonoid found in many plants. It can influence antioxidant gene expression, possibly by affecting signaling pathways associated with oxidative stress.

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

Genistein is an isoflavone found in soy. It may modulate the expression of several antioxidant genes, potentially via its interactions with estrogen receptors.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

EGCG is a major catechin in green tea. It has been implicated in upregulating antioxidant defense mechanisms in various cell types.

3H-1,2-Dithiole-3-thione

534-25-8sc-206729
100 mg
$388.00
1
(0)

D3T is a compound known to induce phase 2 detoxification enzymes. Its mechanism may involve the activation of transcription factors that regulate antioxidant response genes.

t-Butylhydroquinone

1948-33-0sc-202825
10 g
$67.00
4
(1)

tBHQ is a synthetic antioxidant. It can induce antioxidant defense genes, possibly through its effect on NRF2 and related signaling pathways.

Lycopene

502-65-8sc-205738
sc-205738A
sc-205738B
1 mg
5 mg
1 g
$146.00
$582.00
$6248.00
4
(1)

Lycopene is a carotenoid found in tomatoes. It might influence the expression of antioxidant enzymes in cells, potentially through its antioxidative properties.

Caffeic Acid

331-39-5sc-200499
sc-200499A
1 g
5 g
$32.00
$62.00
1
(2)

Caffeic acid is a hydroxycinnamic acid with potential antioxidant effects. It may modulate the expression of genes related to oxidative stress defense.