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
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58
Nitro-T, 90 Capsule(s) LifeSeasons
4.8
★ ★ ★ ★ ★
(45 ratings)
Theanine: 200 mg
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59
Bedtime Burn, 60 Capsule(s) Dr. Emil Nutrition
4.4
★ ★ ★ ★ ★
(79 ratings)
Theanine: 125 mg
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64
Kids B Complex, 30 Tablet(s) MegaFood
4.9
★ ★ ★ ★ ★
(20451 ratings)
Theanine: 25 mg
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73
Sunny Mood with 5-HTP, 80 Softgel(s) Irwin Naturals
4.6
★ ★ ★ ★ ★
(123 ratings)
Theanine: 50 mg
Image
68
+1
Prolific Sour Green Apple, 9 Ounce(s) PEScience
4.7
★ ★ ★ ★ ★
(79 ratings)
Theanine: 200 mg
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76
+9
MetaCalm, 90 Capsule(s) Metabolic Maintenance
4.7
★ ★ ★ ★ ★
(93 ratings)
Theanine: 100 mg
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79
Cortisol Calm, 120 Capsule(s) Pure Encapsulations
4.6
★ ★ ★ ★ ★
(78 ratings)
Theanine: 50 mg
Image
68
+2
Theanine: 200 mg
Theanine: 24 mg
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73
Kyolic Nattokinase Suntheanine, 80 Capsule(s) Kyolic
4.6
★ ★ ★ ★ ★
(7587 ratings)
Theanine: 24 mg
Theanine: 200 mg
Theanine: 90 mg
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72
CatecholaCalm, 90 Capsule(s) Designs for Health
4.8
★ ★ ★ ★ ★
(22 ratings)
Theanine: 200 mg
Theanine: 150 mg
Theanine: 90 mg
Theanine: 90 mg
Theanine: 90 mg
Theanine: 50 mg
Theanine: 90 mg
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61
+2
Focus, 240 Capsule(s) Huge Nutrition
4.7
★ ★ ★ ★ ★
(56 ratings)
Theanine: 150 mg
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