4,100+ results for theanine
- SOWELO L-THEANINE 200mg VEGE CAPS RELAXATION CALM SLEEP METABOLISM SUPPORTOpens in a new window or tabBrand NewS$ 16.31 to S$ 60.84Top-rated sellerTop-rated sellersowelonutrition (16,917) 98.7%Free International Shippingfrom PolandFree returns
- L-Theanine 400mg Vegan friendly capsules Reduces stress improves focus and sleepOpens in a new window or tabBrand NewS$ 15.50 to S$ 98.69Top-rated sellerTop-rated sellerWas: S$ 16.31 5% offeverestnutrition (13,831) 97.7%Free International Shippingfrom PolandFree returns
- L-Theanine 400mg 120 Capsules Nootropic Memory Relaxation Focus StressOpens in a new window or tabBrand NewS$ 11.92 to S$ 20.08healthy-life-supplement (116) 96%Free International Shippingfrom China
- L-Theanine 200mg - Positive Emotions,Relieve Stress,Supporting Calm & RelaxationOpens in a new window or tabBrand NewS$ 10.16 to S$ 19.50Top-rated sellerTop-rated sellerWas: S$ 10.69 5% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- New ListingMommy's Bliss, Kids Feel Calm Gummies with Magnesium & L-Theanine, 60gummiesOpens in a new window or tabBrand NewS$ 55.34trueshopuk (34) 100%+S$ 33.20 postagefrom United Kingdom
- L-Theanine Powder Nootropic Stress Anxiety Memory Relaxation Sleep Mood SupportOpens in a new window or tabBrand NewS$ 7.29 to S$ 105.95Top-rated sellerTop-rated sellerWas: S$ 20.28 10% offherbal_diet2015 (11,694) 99.7%Free International Shippingfrom IndiaFree returns22+ sold
- L-Theanine Capsules STRONG Nootropic Stress Anxiety Memory Relaxation Sleep MoodOpens in a new window or tabBrand NewS$ 5.92 to S$ 32.97Top-rated sellerTop-rated sellerhome4naturals (25,726) 99.7%Free International Shippingfrom IndiaFree returns8+ watchers
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.61 to S$ 21.12Top-rated sellerTop-rated sellerWas: S$ 19.35 40% offdunanjia66 (1,575) 97.4%Free International Shippingfrom China
- Goodbye Stress - L-Theanine, Ashwagandha, Lemon Balm - Keep Calm & Stay AlertOpens in a new window or tabBrand NewS$ 11.50 to S$ 20.96Top-rated sellerTop-rated sellerWas: S$ 19.83 42% offxemenry (783) 98.4%Free International Shippingfrom China
- L-Theanine Powder Nootropic Stress Anxiety Memory Relaxation Sleep Mood SupportOpens in a new window or tabBrand NewS$ 6.84 to S$ 147.25Top-rated sellerTop-rated sellerhome4naturals (25,726) 99.7%Free International Shippingfrom IndiaFree returns
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.55 to S$ 20.96Top-rated sellerTop-rated sellerWas: S$ 19.92 42% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- L-Theanine Powder Nootropic Stress Anxiety Memory Relaxation Sleep Mood SupportOpens in a new window or tabBrand NewS$ 5.19 to S$ 118.83Top-rated sellerTop-rated sellerWas: S$ 11.56 10% offhome4naturals (25,726) 99.7%Free International Shippingfrom IndiaFree returns
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.47 to S$ 21.00Top-rated sellerTop-rated sellerWas: S$ 19.79 42% offxemenry (783) 98.4%Free International Shippingfrom China
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 10.67 to S$ 20.55Top-rated sellerTop-rated sellerxemenry (783) 98.4%Free International Shippingfrom China
- Caffeine & L-Theanine - Brain Health, Memory Enhancer, Concentrated AttentionOpens in a new window or tabBrand NewS$ 10.15 to S$ 19.47Top-rated sellerTop-rated sellerWas: S$ 10.68 5% offjiangshibin (1,316) 98.6%Free International Shippingfrom China
- L Theanine | 120 Capsules 400mg | Nootropics Stress Relaxation Focus & MemoryOpens in a new window or tab✔ UK Manufactured ✔ 100% Money Back Guarantee ✔ VeganBrand NewS$ 30.74 to S$ 73.80focussupplements_uk (9,196) 98.1%+S$ 7.69 postagefrom United Kingdom32+ watchers
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 10.12 to S$ 19.46Top-rated sellerTop-rated sellerWas: S$ 10.65 5% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- Sleep Well - 5-HTP, L-Theanine - Natural Sleep Support, Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.40 to S$ 21.97Top-rated sellerTop-rated sellerxemenry (783) 98.4%Free International Shippingfrom China
- L-Theanine 200mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 11.62 to S$ 21.11Top-rated sellerTop-rated sellerWas: S$ 19.37 40% offfeng_4835 (492) 99.4%Free International Shippingfrom China
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 10.68 to S$ 20.54Top-rated sellerTop-rated sellerxemenry (783) 98.4%Free International Shippingfrom China
- L-Theanine Capsules STRONG Nootropic Stress Anxiety Memory Relaxation Sleep MoodOpens in a new window or tabBrand NewS$ 4.96 to S$ 32.87Top-rated sellerTop-rated sellerWas: S$ 10.13 10% offherbal_diet2015 (11,694) 99.7%Free International Shippingfrom IndiaFree returns7+ watchers
- L-Theanine 200 mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 11.57 to S$ 20.41Top-rated sellerTop-rated sellershenzhenqingge (999) 99%Free International Shippingfrom China
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.50 to S$ 20.96Top-rated sellerTop-rated sellerWas: S$ 19.84 42% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- Sleep Well - 5-HTP, L-Theanine - Natural Sleep Support, Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.55 to S$ 20.28Top-rated sellerTop-rated sellerxemenry (783) 98.4%Free International Shippingfrom China
- Melatonin 30mg - Sleep Aid, Relieve Stress & Anxiety - L-Theanine, AshwagandhaOpens in a new window or tabBrand NewS$ 13.64 to S$ 24.09Top-rated sellerTop-rated sellerWas: S$ 22.72 40% offfeng_4835 (492) 99.4%Free International Shippingfrom China
- Melatonin 20mg - with L-Theanine - Sleep Aid, Extend Sleep Time, Relieve StressOpens in a new window or tabBrand NewS$ 11.58 to S$ 17.65Top-rated sellerTop-rated sellerWas: S$ 19.95 42% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- Uber Melatonin 10mg - Natural Sleep Aid - Ashwagandha, Magnesium, L-TheanineOpens in a new window or tabBrand NewS$ 11.62 to S$ 21.08Top-rated sellerTop-rated sellerWas: S$ 19.37 40% offfeng_4835 (492) 99.4%Free International Shippingfrom China
- L-Theanine 200mg - Stress Relief, Calming & Anti-Anxiety, Promotes Relax 120pcsOpens in a new window or tabBrand NewS$ 21.14Top-rated sellerTop-rated sellerWas: S$ 35.22 40% offdunanjia66 (1,575) 97.4%Free International Shippingfrom China
- L-Theanine 400mg per serving 120 capsules made in the UK in GMP FACILITIESOpens in a new window or tabBrand NewS$ 27.50iperk-ltd (4,137) 100%+S$ 92.27 postagefrom United Kingdom
- L-Theanine | 90 Capsules 300mg | Aids Relaxation/Sleep | From Green Tea ExtractOpens in a new window or tab✔ UK Manufactured ✔ 100% Money Back Guarantee ✔ VeganBrand NewS$ 23.05 to S$ 55.35focussupplements_uk (9,196) 98.1%+S$ 7.69 postagefrom United Kingdom10+ watchers
- NATION HEALTH MD Cognilux, Brain Supplements for Memory and Focus with Niacin x6Opens in a new window or tabBrand NewS$ 394.81nationhealthmd (24) 87.5%+S$ 14.77 postagefrom United States
- Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten FreeOpens in a new window or tabBrand NewS$ 19.22Top-rated sellerTop-rated selleresupplementsllc (236,080) 99.5%+S$ 65.23 postagefrom United States558 watchers
- L-Theanine 200mg - Positive Emotions,Relieve Stress,Supporting Calm & RelaxationOpens in a new window or tabBrand NewS$ 11.21 to S$ 18.59Top-rated sellerTop-rated sellerWas: S$ 11.80 5% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.57 to S$ 20.28Top-rated sellerTop-rated sellerxemenry (783) 98.4%Free International Shippingfrom China
- New ListingMindfulness L-Theanine Vitamin D 2000 IU, Lemon Flavor, Chewable, 90 CountsOpens in a new window or tabBrand NewS$ 112.76thebridgekorea (94) 100%+S$ 12.62 postagefrom South Korea
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.23 to S$ 20.92Top-rated sellerTop-rated sellerWas: S$ 11.82 5% offxemenry (783) 98.4%Free International Shippingfrom China
- Sleep Gummies 3mg - L-Theanine, Melatonin - Sleep Aid, Improve Sleep QualityOpens in a new window or tabBrand NewS$ 13.60 to S$ 24.07Top-rated sellerTop-rated sellerWas: S$ 22.66 40% offfeng_4835 (492) 99.4%Free International Shippingfrom China
- Night Time Fat Burner With L-Theanine, Valerian Root For Fat Burn , SleepOpens in a new window or tabBrand NewS$ 11.46 to S$ 20.48bcuelovvip (38) 97.5%Was: S$ 24.88 54% offFree International Shippingfrom China
- L-Theanine 400mg capsules suitable for vegans reduces stress improves metabolismOpens in a new window or tabBrand NewS$ 22.55 to S$ 107.15Top-rated sellerTop-rated sellerWas: S$ 112.79 5% offgl_nutrition2016 (21,692) 98.4%Free International Shippingfrom PolandFree returns
- L-Theanine 400mg Vegan Capsules Stress Sleeping Anxiety Sleeping Aid VITAPHARMAOpens in a new window or tabBrand NewS$ 10.14 to S$ 50.78Customs services and international tracking providedbirchmillnutrition (38,044) 99.4%+S$ 24.46 shipping estimatefrom United Kingdom
- L-Theanine 200 mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 11.53 to S$ 20.97Top-rated sellerTop-rated sellerWas: S$ 19.87 42% offshenzhenqingge (999) 99%Free International Shippingfrom China
- Sleep Well - 5-HTP, L-Theanine - Natural Sleep Support, Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.25 to S$ 20.90Top-rated sellerTop-rated sellerWas: S$ 11.84 5% offxemenry (783) 98.4%Free International Shippingfrom China
- L-Theanine 200 mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 11.27 to S$ 20.94Top-rated sellerTop-rated sellerWas: S$ 11.85 5% offshenzhenqingge (999) 99%Free International Shippingfrom China
- OstroVit L-Theanine 200mg 2 x 90 capsulesOpens in a new window or tabBrand NewS$ 34.14Top-rated sellerTop-rated sellerstylove_maluchy (839) 99.8%Free International Shippingfrom Poland
- OstroVit L-Theanine + L-Tyrosine 90 capsulesOpens in a new window or tabBrand NewS$ 26.70Top-rated sellerTop-rated sellerstylove_maluchy (839) 99.8%+S$ 5.92 postagefrom Poland
- Sleep Deep 5-HTP - Night Sleep Aid, Calm and Relax - Melatonin, L-TheanineOpens in a new window or tabBrand NewS$ 13.64 to S$ 24.12Top-rated sellerTop-rated sellerWas: S$ 22.72 40% offfeng_4835 (492) 99.4%Free International Shippingfrom China
- L-Theanine 250mg Green Tea Veg 90 Capsules Healthy MoodOpens in a new window or tabBrand NewS$ 14.07healthymood2015 (34,513) 99.6%+S$ 15.22 postagefrom United Kingdom
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.61 to S$ 21.12Top-rated sellerTop-rated sellerWas: S$ 19.35 40% offfeng_4835 (492) 99.4%Free International Shippingfrom China
- L-Theanine 200mg - Positive Emotions,Relieve Stress,Supporting Calm & RelaxationOpens in a new window or tabBrand NewS$ 11.48 to S$ 20.24Top-rated sellerTop-rated sellerliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- Brain Booster w/ L-Tyrosine, L-Theanine, Brahmi, Ginkgo - Cognitive FunctioningOpens in a new window or tabBrand NewS$ 26.70Top-rated sellerTop-rated sellerbalajiente-45 (275) 99.6%Free International Shippingfrom India
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.59 to S$ 20.37Top-rated sellerTop-rated sellerxemenry (783) 98.4%Free International Shippingfrom China
- L-Theanine 200mg, Improved sleep, Relaxation, Weight loss, Blood pressureOpens in a new window or tabBrand NewS$ 13.28Top-rated sellerTop-rated sellerhealthvalleyvitamins (8,042) 99.9%+S$ 25.99 postagefrom United States44 watchers
- Melatonin 30mg - Regulate Sleep Cycle,Relieve Stress & Anxiety- with AshwagandhaOpens in a new window or tabBrand NewS$ 13.58 to S$ 20.17Top-rated sellerTop-rated sellerWas: S$ 23.41 42% offshenzhenqingge (999) 99%Free International Shippingfrom China
- Lamberts L-Theanine 200mg FAST RELEASE 60'sOpens in a new window or tabBrand NewS$ 25.31Customs services and international tracking providedsupplementsplus* (279) 100%+S$ 28.49 shipping estimatefrom United Kingdom
- L-Theanine 200mg - Positive Emotions,Relieve Stress,Supporting Calm & RelaxationOpens in a new window or tabBrand NewS$ 11.49 to S$ 21.02Top-rated sellerTop-rated sellerWas: S$ 19.81 42% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- Caffeine & L-Theanine - Brain Health, Memory Enhancer, Concentrated AttentionOpens in a new window or tabBrand NewS$ 11.14 to S$ 20.76Top-rated sellerTop-rated sellerWas: S$ 11.73 5% offjiangshibin (1,316) 98.6%Free International Shippingfrom China
- Sleep Deep 5-HTP Gummies - Sleep Aid, Supports Calmness & Relaxation - MelatoninOpens in a new window or tabBrand NewS$ 13.57 to S$ 24.04Top-rated sellerTop-rated sellerWas: S$ 23.39 42% offshenzhenqingge (999) 99%Free International Shippingfrom China
- Nature's Way L-Theanine, Amino Acid, 200 mg Potency, 180 Capsules Exp. 5/31/2026Opens in a new window or tabBrand NewS$ 50.12hessconnection (138) 100%+S$ 27.38 postagefrom United States
- THEANINE 500mg CAPSULES x 60 90 120 180 240 360 500 1000Opens in a new window or tabBrand NewS$ 2.52 to S$ 83.79Customs services and international tracking providednutriselle (17,806) 99.3%+S$ 21.87 shipping estimatefrom United Kingdom
- Sleep Deep 5-HTP Gummies - with Melatonin & L-Theanine - Improve Sleep QualityOpens in a new window or tabBrand NewS$ 18.23Top-rated sellerTop-rated sellerWas: S$ 30.37 40% offdunanjia66 (1,575) 97.4%Free International Shippingfrom China
- Delicious Bedtime Gummies 60mg - Lemon Balm, L-Theanine, Lavender & ChamomileOpens in a new window or tabBrand NewS$ 23.69Customs services and international tracking providedcomfortclick (45,283) 98.8%+S$ 23.01 shipping estimatefrom United KingdomFree returns
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 10.15 to S$ 19.48Top-rated sellerTop-rated sellerWas: S$ 10.68 5% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- Uber Melatonin 10mg - Sleep Support Supplements, Relieve Stress and AnxietyOpens in a new window or tabBrand NewS$ 11.55 to S$ 19.87Top-rated sellerTop-rated sellerWas: S$ 19.24 40% offdunanjia66 (1,575) 97.4%Free International Shippingfrom China
- Sleep Deep 5-HTP Gummies - with Melatonin & L-Theanine - Improve Sleep QualityOpens in a new window or tabBrand NewS$ 13.55 to S$ 24.02Top-rated sellerTop-rated sellerWas: S$ 23.36 42% offhuangugm6 (1,358) 98.4%Free International Shippingfrom China
- L-Theanine & Caffeine 100 Capsules 400mg High Strength Cognitive Mental HealthOpens in a new window or tabBrand NewS$ 18.61Top-rated sellerTop-rated sellerCustoms services and international tracking provided+S$ 22.74 shipping estimatecharge-products-uk (21,473) 99.1%from United Kingdom
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.15 to S$ 20.90Top-rated sellerTop-rated sellerWas: S$ 11.74 5% offliuyongping0 (1,151) 97.7%Free International Shippingfrom China
- Sleep - with Melatonin, L-Theanine - Improve Sleeping, Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.50 to S$ 20.96Top-rated sellerTop-rated sellerWas: S$ 19.84 42% offshenzhenqingge (999) 99%Free International Shippingfrom China
- Ashwagandha 650mg - Pure Root Extract High Strength CapsulesOpens in a new window or tabBrand NewS$ 11.98 to S$ 20.06shuolei-e-commerce (182) 98.4%Free International Shippingfrom China
- Blood Sugar Blend 800mg - with Berberine & Cinnamon - Glucose Balance & ControlOpens in a new window or tabBrand NewS$ 11.41 to S$ 20.90Top-rated sellerTop-rated sellerWas: S$ 19.03 40% offfeng_4835 (492) 99.4%Free International Shippingfrom China
- Goodbye Stress - L-Theanine, Ashwagandha - Improve Sleeping, Relieve StressOpens in a new window or tabBrand NewS$ 10.47 to S$ 19.77Top-rated sellerTop-rated sellerWas: S$ 11.02 5% offxemenry (783) 98.4%Free International Shippingfrom China
- Blood Sugar Blend - with CoQ10, Ashwagandha, Resveratrol - Lower Blood SugarOpens in a new window or tabBrand NewS$ 10.15 to S$ 19.47Top-rated sellerTop-rated sellerWas: S$ 14.34 5% offhuangugm6 (1,358) 98.4%Free International Shippingfrom China
- L-Theanine 250mg Green Tea Veg 60 Capsules Healthy MoodOpens in a new window or tabBrand NewS$ 9.90healthymood2015 (34,513) 99.6%+S$ 15.22 postagefrom United Kingdom
- Alpha Brain Memory & Focus Capsule Cognitive Supplement Men&Women Nootropic 2025Opens in a new window or tabBrand NewS$ 55.34orgaaniks (190) 100%+S$ 27.68 postagefrom United Kingdom102 sold
- Anti Stress Formula Good Mood Deep Sleep Reduces Anxiety and Calms DownOpens in a new window or tab✅HIT✅SEVEN ACTIVE SUBSTANCES ✅HIGH QUALITY INGREDIENTSBrand NewS$ 31.01 to S$ 143.81Top-rated sellerTop-rated sellerWas: S$ 151.38 5% offgl_nutrition2016 (21,692) 98.4%Free International Shippingfrom PolandFree returns
- NATION HEALTH MD Cognilux, Brain Supplements for Memory and Focus with NiacinOpens in a new window or tabBrand NewS$ 87.57nationhealthmd (24) 87.5%+S$ 14.77 postagefrom United States
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