Supplements

Products (177) 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$19.95/product$0.54/serving$0.52/100 mg100 mg amount
Best forms L-Theanine
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85
Double Strength L-Theanine 200 mg, 120 Capsule(s) NOW
4.7
(44386 ratings)
Theanine: 200 mg
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88
Theanine: 200 mg
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84
L-Theanine, 1 Liquid(s) NOW
4.7
(731 ratings)
Theanine: 285 mg
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87
Theanine: 200 mg
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84
Double Strength L-Theanine 200 mg, 60 Capsule(s) NOW
4.7
(43000 ratings)
Theanine: 200 mg
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87
Theanine: 100 mg
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88
Theanine: 100 mg
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82
Sleep Regimen 3-in-1, 90 Capsule(s) NOW
4.5
(1276 ratings)
Theanine: 200 mg
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85
+3
Theanine: 200 mg
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86
L-Theanine 200 mg, 60 Softgel(s) SR Sports Research
4.5
(18415 ratings)
Theanine: 200 mg
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83
+3
L-Theanine 100 mg, 90 Capsule(s) NOW
4.7
(16952 ratings)
Theanine: 100 mg
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87
Theanine 100 mg, 60 Veggie Cap(s) Jarrow Formulas
4.7
(5077 ratings)
Theanine: 100 mg
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86
L-Theanine 150 mg, 90 Veggie Cap(s) Doctor's Best
4.6
(8456 ratings)
Theanine: 150 mg
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85
Theanine 200 mg, 60 Veggie Cap(s) Jarrow Formulas
4.7
(6213 ratings)
Theanine: 200 mg
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84
Chewable L-Theanine 100 mg, 90 Tablet(s) NOW
4.7
(3679 ratings)
Theanine: 100 mg
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86
+4
Anxiety & Stress Relief, 50 Tablet(s) Nature's Bounty
4.5
(10049 ratings)
Theanine: 200 mg
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84
+3
Theanine: 200 mg
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85
L-Theanine 200 mg, 60 Capsule(s) Nature's Way
4.6
(1401 ratings)
Theanine: 200 mg
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82
+3
Elite, 120 Capsule(s) Eu Natural
4.2
(3494 ratings)
Theanine: 200 mg
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87
Theanine: 200 mg
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