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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78
Serenelle, 60 Vegicap(s) Quality Of Life
4.5
★ ★ ★ ★ ★
(316 ratings)
Theanine: 200 mg
Image
64
Sleep + Calm Strawberry, 60 Gummy(ies) Natrol
4.5
★ ★ ★ ★ ★
(6447 ratings)
Theanine: 100 mg
Image
72
Sleep Blackberry Zen, 70 Gummy(ies) OLLY
4.4
★ ★ ★ ★ ★
(7157 ratings)
Theanine: 100 mg
Image
82
+1
Sleep Nighttime Powder, 21 Packet(s) youtheory
4.4
★ ★ ★ ★ ★
(42 ratings)
Theanine: 200 mg
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76
Mood Support, 90 Capsule(s) NOW
4.5
★ ★ ★ ★ ★
(9082 ratings)
Theanine: 50 mg
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66
+1
Stress Support, 60 Capsule(s) Zoi Research
4.6
★ ★ ★ ★ ★
(2910 ratings)
Theanine: 100 mg
Image
76
Theanine: 200 mg
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75
Ultra Strength Goodbye Stress, 60 Softgel(s) OLLY
4.3
★ ★ ★ ★ ★
(11971 ratings)
Theanine: 100 mg
Image
81
L-Theanine 200 mg, 60 Capsule(s) Vital Nutrients
4.9
★ ★ ★ ★ ★
(26 ratings)
Theanine: 200 mg
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70
Theanine: 100 mg
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67
Triple Action Sleep, 30 Tablet(s) Solgar
4.5
★ ★ ★ ★ ★
(50 ratings)
Theanine: 200 mg
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71
Anxie-T, 60 Capsule(s) LifeSeasons
4.3
★ ★ ★ ★ ★
(2879 ratings)
Theanine: 200 mg
Theanine: 100 mg
Theanine: 50 mg
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64
Theanine: 100 mg
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72
Focus-R, 60 Capsule(s) LifeSeasons
4.5
★ ★ ★ ★ ★
(574 ratings)
Theanine: 250 mg
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78
GABAplex, 60 Capsule(s) Swanson
4.7
★ ★ ★ ★ ★
(191 ratings)
Theanine: 50 mg
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68
Theanine: 100 mg
Theanine: 200 mg
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77
Sleep Support, 60 Capsule(s) The Vitamin Shoppe
4.5
★ ★ ★ ★ ★
(29 ratings)
Theanine: 200 mg
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