L-Theanine & GABA
L-theanine, GABA, theanine-caffeine combinations, and theanine-GABA blends target relaxation, inhibitory neurotransmission, or focused alertness; caffeine-containing options have a distinctly stimulating profile.
-
GABA — 100 mg
Provides 100 mg of gamma-aminobutyric acid, the nervous system’s principal inhibitory neurotransmitter; evidence that oral GABA meaningfully affects stress or sleep remains limited.
$17.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
GABA — 250 mg
Provides 250 mg of gamma-aminobutyric acid, the nervous system’s principal inhibitory neurotransmitter; evidence that oral GABA meaningfully affects stress or sleep remains limited.
$23.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
GABA — 500 mg
Provides 500 mg of gamma-aminobutyric acid, the nervous system’s principal inhibitory neurotransmitter; evidence that oral GABA meaningfully affects stress or sleep remains limited.
$32.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
GABA + L-theanine blend — 100 mg GABA + 100 mg theanine
Provides 100 mg GABA + 100 mg theanine per serving, combining an inhibitory neurotransmitter with a tea-derived amino acid; both are studied for relaxation and sleep, but oral evidence remains limited.
$17.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
GABA + L-theanine blend — 250 mg GABA + 100 mg theanine
Provides 250 mg GABA + 100 mg theanine per serving, combining an inhibitory neurotransmitter with a tea-derived amino acid; both are studied for relaxation and sleep, but oral evidence remains limited.
$23.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
GABA + L-theanine blend — 500 mg GABA + 200 mg theanine
Provides 500 mg GABA + 200 mg theanine per serving, combining an inhibitory neurotransmitter with a tea-derived amino acid; both are studied for relaxation and sleep, but oral evidence remains limited.
$32.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
L-theanine — 100 mg
Provides 100 mg of L-theanine, a tea-derived amino acid studied for relaxation and attention; effects are often examined alone or in combination with caffeine.
$19.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
L-theanine — 200 mg
Provides 200 mg of L-theanine, a tea-derived amino acid studied for relaxation and attention; effects are often examined alone or in combination with caffeine.
$23.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
L-theanine — 400 mg
Provides 400 mg of L-theanine, a tea-derived amino acid studied for relaxation and attention; effects are often examined alone or in combination with caffeine.
$32.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
L-theanine + caffeine combination — 100 mg theanine + 50 mg caffeine
Provides 100 mg theanine + 50 mg caffeine per serving, pairing a tea-derived amino acid with a stimulant; controlled studies suggest the combination can improve selected measures of attention and alertness.
$19.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
L-theanine + caffeine combination — 200 mg theanine + 100 mg caffeine
Provides 200 mg theanine + 100 mg caffeine per serving, pairing a tea-derived amino acid with a stimulant; controlled studies suggest the combination can improve selected measures of attention and alertness.
$23.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded -
L-theanine + caffeine combination — 200 mg theanine + 200 mg caffeine
Provides 200 mg theanine + 200 mg caffeine per serving, pairing a tea-derived amino acid with a stimulant; controlled studies suggest the combination can improve selected measures of attention and alertness.
$23.99 USDUnverified catalog pricePackage or serving price basis not recordedSource and check date not recorded
