Supplements (174) for Theanine


Theanine is an amino acid primarily found in green and black tea leaves that helps promote relaxation without causing drowsiness. It is frequently used to enhance mental focus, support cognitive function, and reduce the impact of daily stress.

Across 177 Theanine products
Optimal dose100 mg – 400 mg
Price$22.19median
Price per serving$0.61median
Price per 100 mg$0.56median
Dose per serving100 mgmedian
Top forms L-Theanine
Theanine: 50 mg
Theanine: 200 mg
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62
Triple Action Sleep, 60 Tablet(s) Solgar
4.2
★ ★ ★ ★ ★
(1999 ratings)
Theanine: 200 mg
Theanine: 200 mg
Image
70
+2
Energy + Focus, 60 Capsule(s) ZHOU
4.1
★ ★ ★ ★ ★
(265 ratings)
Theanine: 200 mg
Image
82
Theanine: 200 mg
Theanine: 200 mg
Theanine: 200 mg
Image
79
Superior Sleep, 60 Veggie Cap(s) Doctor's Best
4.3
★ ★ ★ ★ ★
(457 ratings)
Theanine: 200 mg
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81
Theanine, 90 Capsule(s) Thorne
4.7
★ ★ ★ ★ ★
(1615 ratings)
Theanine: 200 mg
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74
Totally Zen, 120 Capsule(s) Carlson
4.7
★ ★ ★ ★ ★
(460 ratings)
Theanine: 100 mg
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84
L-Theanine 100 mg, 60 Capsule(s) Life Extension
4.7
★ ★ ★ ★ ★
(149 ratings)
Theanine: 100 mg
Image
83
+2
Pure Energy, 60 Capsule(s) Swanson
4.5
★ ★ ★ ★ ★
(324 ratings)
Theanine: 160 mg
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75
Sleep & Stress Support, 60 Capsule(s) Solgar
4.4
★ ★ ★ ★ ★
(699 ratings)
Theanine: 200 mg
Image
83
ZenMind, 60 Capsule(s) NutriCology
4.6
★ ★ ★ ★ ★
(230 ratings)
Theanine: 200 mg
Image
74
+1
Totally Zen, 30 Capsule(s) Carlson
4.7
★ ★ ★ ★ ★
(461 ratings)
Theanine: 100 mg
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83
L-Theanine 100 mg, 60 Capsule(s) The Vitamin Shoppe
4.8
★ ★ ★ ★ ★
(130 ratings)
Theanine: 100 mg
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78
+4
Theanine: 200 mg
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83
GABA Soothe, 30 Veggie Cap(s) Jarrow Formulas
4.6
★ ★ ★ ★ ★
(1430 ratings)
Theanine: 100 mg
Image
67
+1
Stress Support, 180 Capsule(s) Zoi Research
4.6
★ ★ ★ ★ ★
(2910 ratings)
Theanine: 100 mg
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