Supplements

Products (120) for Theanine

Theanine is an amino acid primarily found in tea leaves, known for its ability to promote relaxation and calm without causing drowsiness. It supports cognitive functions like focus and attention, often enhancing mental c...

Median$19.97/product$0.54/serving$0.52/100 mg100 mg amount
Best forms L-Theanine
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96
L-Theanine 200 mg, 180 Capsule(s) Nature's Way
4.6
(954 ratings)
Theanine: 200 mg
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94
+3
Theanine: 100 mg
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90
Triple Action Sleep, 60 Tablet(s) Solgar
4.3
(1962 ratings)
Theanine: 200 mg
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94
+3
Theanine: 200 mg
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93
+7
Theanine: 200 mg
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94
Restful Sleep Blackberry Zen, 50 Gummy(ies) OLLY
4.4
(5220 ratings)
Theanine: 200 mg
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94
+7
Theanine Serene, 120 Tablet(s) Source Naturals
4.7
(1139 ratings)
Theanine: 200 mg
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94
+7
Theanine: 200 mg
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96
Theanine: 200 mg
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96
Theanine: 200 mg
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95
Theanine: 250 mg
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93
+3
Energy + Focus, 60 Capsule(s) ZHOU
4.2
(256 ratings)
Theanine: 200 mg
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96
Theanine: 200 mg
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95
Theanine: 200 mg
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94
Theanine: 200 mg
Image
95
Theanine: 200 mg
Image
95
Theanine: 200 mg
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94
Theanine: 200 mg
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94
L-Theanine 200 mg, 60 Capsule(s) Country Life
4.7
(468 ratings)
Theanine: 200 mg
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94
Totally Zen, 120 Capsule(s) Carlson
4.7
(413 ratings)
Theanine: 100 mg
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