Date published: 2026-1-9

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GRINA Activators

GRINA Activators as a chemical class includes a range of compounds that interact with the NMDA receptor complex, where GRINA is a subunit. These chemicals either serve as co-agonists, enhance synaptic activity, or modulate neurotransmitter levels. For instance, glycine and D-serine are known co-agonists that are necessary for NMDA receptor activation, where GRINA can be involved. Sarcosine, by inhibiting glycine transporters, indirectly increases the levels of glycine available for receptor activation. Similarly, caffeine, through its stimulatory effect on neuronal activity, may result in increased expression or function of GRINA.

Compounds like huperzine A directly enhance NMDA receptor function and may increase the activity of GRINA-containing receptors. Tianeptine, through its effects on glutamatergic transmission, could modify GRINA function within the receptor complex. Minerals like magnesium and zinc, despite their classical role as NMDA receptor blockers, are known to have nuanced effects on receptor activation at physiological concentrations, potentially affecting GRINA's role in the NMDA receptor complex. L-Theanine, while less direct, has been associated with modulation of neurotransmission that could impact GRINA function.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Glycine

56-40-6sc-29096A
sc-29096
sc-29096B
sc-29096C
500 g
1 kg
3 kg
10 kg
$41.00
$71.00
$112.00
$357.00
15
(9)

As a co-agonist of NMDA receptors, glycine binding is required for receptor activation and may enhance the function of GRINA-containing receptors.

D-Serine

312-84-5sc-391671
sc-391671A
sc-391671B
5 g
25 g
100 g
$43.00
$128.00
$204.00
(0)

Another co-agonist of NMDA receptors, it can enhance receptor function and potentially increase the activity of GRINA-associated complexes.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
50 g
100 g
250 g
1 kg
5 kg
$33.00
$67.00
$97.00
$192.00
$775.00
13
(1)

Can enhance neuronal activity, which may indirectly lead to the upregulation of GRINA through increased synaptic activity.

IGF-1R Inhibitor, PPP

477-47-4sc-204008A
sc-204008
sc-204008B
1 mg
10 mg
100 mg
$138.00
$203.00
$895.00
63
(1)

Although a biological material, its mimetic chemicals can enhance synaptic plasticity and may upregulate NMDA receptor function, potentially affecting GRINA.

(−)-Huperzine A

102518-79-6sc-200183
sc-200183A
1 mg
5 mg
$143.00
$362.00
1
(1)

An NMDA receptor enhancer, it may increase the activity of NMDA receptors including those containing GRINA subunits.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Similar to magnesium, zinc can modulate NMDA receptor activity and thus indirectly affect GRINA function within the receptor complex.

L-Theanine

3081-61-6sc-204787
sc-204787A
1 g
5 g
$58.00
$142.00
1
(1)

Known to modulate neurotransmitter release and may influence NMDA receptor activity, thus potentially affecting GRINA.

Tianeptine

66981-73-5sc-213044
sc-213044A
10 mg
50 mg
$250.00
$422.00
(0)

Has been found to modulate glutamatergic neurotransmission, which could affect GRINA functionality within the NMDA receptor complex.