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L-Theanine

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    Vitacost L-Theanine

    Vitacost L-Theanine -- 200 mg - 60 Tablets

    (84)

    $10.99

    $0.19 per serving

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    Vitacost-Synergy L-Theanine from Suntheanine®

    Vitacost-Synergy L-Theanine from Suntheanine® -- 100 mg - 120 Capsules

    (65)

    $16.99

    $0.15 per serving

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    NOW L-Theanine Double Strength

    NOW L-Theanine Double Strength -- 200 mg - 120 Veg Capsules

    (29)

    $23.89

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    Vitacost-Synergy L-Theanine from Suntheanine®

    Vitacost-Synergy L-Theanine from Suntheanine® -- 100 mg - 60 Capsules

    (93)

    $9.99

    $0.17 per serving

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    Natural Vitality Calm Sleep Magnesium Melatonin L-Theanine Blueberry Pomegranate

    Natural Vitality Calm Sleep Magnesium Melatonin L-Theanine Blueberry Pomegranate -- 60 Gummies

    (453)

    $13.59

    $0.46 per serving

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    Nutricost L-Theanine

    Nutricost L-Theanine -- 200 mg - 120 Capsules

    (5)

    $11.95

    $0.10 per serving

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    Bucklebury Magnesium Glycinate with L-Theanine

    Bucklebury Magnesium Glycinate with L-Theanine -- 350 mg - 90 Capsules

    (6)

    $22.19

    $0.74 per serving

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    Nature Made Wellblends Sleep Longer Melatonin (10mg) L Theanine GABA

    Nature Made Wellblends Sleep Longer Melatonin (10mg) L Theanine GABA -- 35 Tri-Layer Tablets

    (152)

    $13.99

    $0.40 per serving

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    Natural Vitality Calm Sleep Magnesium Melatonin L-Theanine GABA

    Natural Vitality Calm Sleep Magnesium Melatonin L-Theanine GABA -- 120 Capsules

    (45)

    $21.19

    $0.36 per serving

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    NOW L-Theanine Double Strength

    NOW L-Theanine Double Strength -- 200 mg - 60 Veg Capsules

    (14)

    $14.69

    $0.25 per serving

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    Jarrow Formulas Theanine 200

    Jarrow Formulas Theanine 200 -- 200 mg - 60 Veggie Capsules

    (34)

    $20.99

    $0.35 per serving

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    Doctor's Best L-Theanine with Suntheanine

    Doctor's Best L-Theanine with Suntheanine -- 150 mg - 90 Veggie Caps

    (32)

    $21.79

    $0.25 per serving

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    Simple Truth L-Theanine

    Simple Truth L-Theanine -- 200 mg - 60 Capsules

    (12)

    $11.99

    $0.20 per serving

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    • Professional Supplements
    Integrative Therapeutics Cortisol Manager

    Integrative Therapeutics Cortisol Manager -- 90 Tablets

    (200)

    $68.99

    $1.54 per serving

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    NOW L-Theanine

    NOW L-Theanine -- 100 mg - 90 Vegetarian Capsules

    (7)

    $12.39

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    Natural Vitality Calm Kids Magnesium Sweet Citrus

    Natural Vitality Calm Kids Magnesium Sweet Citrus -- 120 Gummies

    (2)

    $22.89

    $0.20 per serving

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    Nature Made L-Theanine Chewable Tropical Fruit

    Nature Made L-Theanine Chewable Tropical Fruit -- 200 mg - 50 Tablets

    (48)

    $12.89

    $0.26 per serving

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    Natural Factors Stress-Relax Suntheanine L-Theanine

    Natural Factors Stress-Relax Suntheanine L-Theanine -- 100 mg - 120 Chewable Tablets

    (13)

    $35.67

    $0.60 per serving

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    Jarrow Formulas Theanine 100

    Jarrow Formulas Theanine 100 -- 100 mg - 60 Veggie Capsules

    (21)

    $11.99

    $0.20 per serving

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    MaryRuth's L-Theanine Drops From AlphaWave - For Sleep Support Cognitive Function Stress Management Lemon Lime

    MaryRuth's L-Theanine Drops From AlphaWave - For Sleep Support Cognitive Function Stress Management Lemon Lime -- 2 fl oz

    (13)

    $21.95

    $0.74 per serving

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    Life Extension L-Theanine

    Life Extension L-Theanine -- 100 mg - 60 Vegetarian Capsules

    (3)

    $18.00

    $0.30 per serving

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    NOW Chewable L-Theanine

    NOW Chewable L-Theanine -- 100 mg - 90 Chewables

    (4)

    $13.29

    $0.15 per serving

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    Source Naturals Theanine Serene

    Source Naturals Theanine Serene -- 120 Tablets

    (43)

    $21.69

    $0.37 per serving

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    Natural Vitality Calm Sleep Magnesium Melatonin L-Theanine GABA

    Natural Vitality Calm Sleep Magnesium Melatonin L-Theanine GABA -- 60 Capsules

    (49)

    $12.29

    $0.41 per serving

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    Nutricost L-Theanine

    Nutricost L-Theanine -- 200 mg - 240 Capsules

    (4)

    $20.19

    $0.09 per serving

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    • Professional Supplements
    Double Wood Supplements L-Theanine

    Double Wood Supplements L-Theanine -- 200 mg - 120 Capsules

    (3)

    $19.95

    $0.17 per serving

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    Sports Research L-Theanine Suntheanine Double Strength

    Sports Research L-Theanine Suntheanine Double Strength -- 200 mg - 60 Softgels

    $20.97

    $0.35 per serving

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    Natural Factors Stress-Relax® Suntheanine® L-Theanine

    Natural Factors Stress-Relax® Suntheanine® L-Theanine -- 125 mg - 60 Vegetarian Capsules

    (7)

    $18.87

    $0.63 per serving

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    Nature's Way L-Theanine

    Nature's Way L-Theanine -- 200 mg Per 2-Capsule Serving - 180 Vegan Capsules

    (23)

    $44.19

    $0.50 per serving

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    Nature's Way Kids Cool Calm & Collected - Magnesium & L-Theanine Grape Flavored

    Nature's Way Kids Cool Calm & Collected - Magnesium & L-Theanine Grape Flavored -- 40 Gummies

    (30)

    $12.29

    $0.31 per serving

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    Natural Vitality Calm Kids Magnesium Sweet Citrus

    Natural Vitality Calm Kids Magnesium Sweet Citrus -- 60 Gummies

    $13.69

    $0.23 per serving

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    Natrol Sleep + Calm Gummy Strawberry

    Natrol Sleep + Calm Gummy Strawberry -- 60 Gummies

    (172)

    $15.64

    $0.53 per serving

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    Evlution Nutrition L-Theanine

    Evlution Nutrition L-Theanine -- 60 Veggie Capsules

    (7)

    $14.99

    $0.25 per serving

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    Good Day Chocolate Adults Calm Supplement

    Good Day Chocolate Adults Calm Supplement -- 80 Candy Coated Pieces

    (3)

    $25.99

    $1.30 per serving

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    Life Extension Theanine XR™ Stress Relief

    Life Extension Theanine XR™ Stress Relief -- 30 Vegetarian Tablets

    (1)

    $21.00

    $0.70 per serving

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    Natural Vitality Calm Mind Powder Unflavored

    Natural Vitality Calm Mind Powder Unflavored -- 6 oz

    (132)

    $18.29

    $0.33 per serving

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    NOW L-Theanine Pure Powder

    NOW L-Theanine Pure Powder -- 1 oz

    (3)

    $20.39

    $0.22 per serving

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    Natural Vitality Calm Mind Powder Honey Chamomile

    Natural Vitality Calm Mind Powder Honey Chamomile -- 6 oz

    (63)

    $18.29

    $0.17 per serving

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    • Professional Supplements
    Codeage Multi Collagen Protein + Magnesium Glycinate

    Codeage Multi Collagen Protein + Magnesium Glycinate -- 150 Capsules

    (61)

    $39.99

    $1.34 per serving

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    Solaray L-Theanine

    Solaray L-Theanine -- 200 mg - 90 VegCaps

    (3)

    $48.99

    $0.55 per serving

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    Natural Vitality Calm Kids Sleep Gummies Nighttime Berry

    Natural Vitality Calm Kids Sleep Gummies Nighttime Berry -- 60 Gummies

    (257)

    $13.29

    $0.23 per serving

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    Olly Sleep Blackberry Zen

    Olly Sleep Blackberry Zen -- 70 Gummies

    (2145)

    $17.09

    $0.49 per serving

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    NaturesPlus Pro L-Theanine

    NaturesPlus Pro L-Theanine -- 200 mg - 60 Capsules

    $8.37

    $0.14 per serving

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    KAL L-Theanine Pineapple Dream

    KAL L-Theanine Pineapple Dream -- 25 mg - 120 MicroTablets

    (2)

    $10.89

    $0.10 per serving

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    Nature Made Wellblends Sleep & Recover Sleep Aid Melatonin L Theanine Magnesium

    Nature Made Wellblends Sleep & Recover Sleep Aid Melatonin L Theanine Magnesium -- 44 Gummies

    (126)

    $14.29

    $0.65 per serving

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    Natural Factors Stress-Relax® Suntheanine® L-Theanine

    Natural Factors Stress-Relax® Suntheanine® L-Theanine -- 100 mg - 60 Chewable Tablets

    (13)

    $18.87

    $0.63 per serving

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    • Professional Supplements
    Thorne Theanine

    Thorne Theanine -- 200 mg - 90 Capsules

    (1)

    $64.00

    $0.72 per serving

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    Bluebonnet Nutrition L-Theanine

    Bluebonnet Nutrition L-Theanine -- 200 mg - 60 Vegetable Capsules

    (1)

    $18.80

    $0.32 per serving

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    Solaray L-Theanine Chewable Lemon Lime

    Solaray L-Theanine Chewable Lemon Lime -- 200 mg - 30 Chewables

    (5)

    $20.69

    $0.69 per serving

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    Source Naturals L-Theanine Caps

    Source Naturals L-Theanine Caps -- 200 mg - 60 Capsules

    (16)

    $24.85

    $0.42 per serving

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    Superior Source L-Theanine

    Superior Source L-Theanine -- 200 mg - 100 Quick Dissolving Tabets

    (2)

    $19.50

    $0.39 per serving

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    Nature's Way L-Theanine

    Nature's Way L-Theanine -- 200 mg Per 2- Capsule Serving - 60 Vegan Capsules

    (15)

    $14.99

    $0.50 per serving

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    Nature's Way Sambucus Sleep + Immune Elderberry Gummies with Melatonin & Vitamin C & Zinc

    Nature's Way Sambucus Sleep + Immune Elderberry Gummies with Melatonin & Vitamin C & Zinc -- 50 Gummies

    (203)

    $16.59

    $0.67 per serving

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    Nutricost Caffeine + L-Theanine

    Nutricost Caffeine + L-Theanine -- 100 mg - 240 Capsules

    $13.95

    $0.06 per serving

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    Best Naturals L-Theanine

    Best Naturals L-Theanine -- 200 mg - 120 Tablets

    (1)

    $7.99

    $0.07 per serving

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    Olly Goodbye Stress®

    Olly Goodbye Stress® -- 60 Softgels

    (99)

    $18.99

    $0.64 per serving

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    Kal GABA L-Thenine Stress B Lozenge Natural Mango Tangerine

    Kal GABA L-Thenine Stress B Lozenge Natural Mango Tangerine -- 100 Lozenges

    (4)

    $13.19

    $0.27 per serving

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    Solgar L-Theanine Free Form

    Solgar L-Theanine Free Form -- 150 mg - 60 Vegetable Capsules

    (1)

    $24.29

    $0.41 per serving

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    Olly Extra Strength Sleep Blackberry Zen

    Olly Extra Strength Sleep Blackberry Zen -- 70 Gummies

    (287)

    $18.99

    $0.55 per serving

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    Amazing Nutrition Melatonin Plus L-Theanine

    Amazing Nutrition Melatonin Plus L-Theanine -- 15.5 mg - 120 Tablets

    $10.19

    $0.09 per serving

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