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: 100 mg
Image
77
Sustained Focus, 60 Capsule(s) Nature's Way
4.6
★ ★ ★ ★ ★
(80 ratings)
Theanine: 200 mg
Image
57
Ez Doze, 60 Capsule(s) Dr. Emil Nutrition
3.8
★ ★ ★ ★ ★
(493 ratings)
Theanine: 175 mg
Image
79
+6
Relax Magnesium Powder Berry, 4 Ounce(s) youtheory
4.7
★ ★ ★ ★ ★
(1593 ratings)
Theanine: 100 mg
Image
73
SharpMind Stress, 30 VegCap(s) Solaray
4.7
★ ★ ★ ★ ★
(80 ratings)
Theanine: 200 mg
Image
63
Ultra Strength Sleep, 60 Softgel(s) OLLY
4.2
★ ★ ★ ★ ★
(9219 ratings)
Theanine: 100 mg
Image
76
+1
Stress-Defy, 84 Softgel(s) Irwin Naturals
4.5
★ ★ ★ ★ ★
(667 ratings)
Theanine: 100 mg
Image
77
Theanine: 100 mg
Theanine: 200 mg
Image
71
Theanine: 75 mg
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76
Genius Sleep Aid, 40 Capsule(s) The Genius Brand
4.9
★ ★ ★ ★ ★
(2425 ratings)
Theanine: 100 mg
Theanine: 300 mg
Theanine: 100 mg
Image
70
Sleep Strawberry Sunset, 60 Gummy(ies) OLLY
4.3
★ ★ ★ ★ ★
(95 ratings)
Theanine: 100 mg
Image
69
+1
Neuro-T, 60 Capsule(s) LifeSeasons
4.5
★ ★ ★ ★ ★
(225 ratings)
Theanine: 250 mg
Image
69
Counter Cravings, 60 Capsule(s) HUM
4.4
★ ★ ★ ★ ★
(41 ratings)
Theanine: 200 mg
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68
Theanine: 200 mg
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61
+7
Calm Thoughts, 90 Tablet(s) Source Naturals
4.6
★ ★ ★ ★ ★
(1109 ratings)
Theanine: 100 mg
Theanine: 100 mg
Image
62
Theanine: 200 mg
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