4,500+ results for theanine
- SOWELO L-THEANINE 200mg VEGE CAPS RELAXATION CALM SLEEP METABOLISM SUPPORTOpens in a new window or tabBrand NewS$ 16.17 to S$ 60.30Top-rated sellerTop-rated sellersowelonutrition (17,056) 98.8%Free International Shippingfrom PolandFree returns35+ watchers
- 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 (137) 96.6%Free International Shippingfrom China
- L-Theanine Capsules STRONG Nootropic Stress Anxiety Memory Relaxation Sleep MoodOpens in a new window or tabBrand NewS$ 5.87 to S$ 32.67Top-rated sellerTop-rated sellerhome4naturals (25,814) 99.7%Free International Shippingfrom IndiaFree returns28+ sold
- L-Theanine 400mg - 180 Capsules - Neuroprotection, Reduce Stress, Improve FocusOpens in a new window or tab✔ 6 MONTH SUPPLY ✔ SAME DAY DISPATCH ✔ VEGAN ✔ UK MADEBrand NewS$ 18.27Customs services and international tracking providedvitameds (508) 99.3%+S$ 22.93 shipping estimatefrom United Kingdom
- L-Theanine 200 mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 10.08 to S$ 19.41Top-rated sellerTop-rated sellerWas: S$ 10.60 5% offshenzhenqingge (1,120) 98.7%Free International Shippingfrom China
- L-Theanine 400mg Vegan friendly capsules Reduces stress improves focus and sleepOpens in a new window or tabBrand NewS$ 15.36 to S$ 97.81Top-rated sellerTop-rated sellerWas: S$ 16.17 5% offeverestnutrition (13,921) 97.8%Free International Shippingfrom PolandFree returns
- Caffeine & L-Theanine - Brain Health, Memory Enhancer, Concentrated AttentionOpens in a new window or tabBrand NewS$ 10.89 to S$ 19.23Top-rated sellerTop-rated sellerWas: S$ 11.46 5% offjiangshibin (1,454) 98.5%Free International Shippingfrom China
- Sleep Well - 5-HTP, L-Theanine - Natural Sleep Support, Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 10.98 to S$ 19.27Top-rated sellerTop-rated sellerWas: S$ 11.55 5% offxemenry (883) 98.5%Free International Shippingfrom China
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- SOWELO L-THEANINE 200mg VEGE CAPS RELAXATION CALM SLEEP METABOLISM SUPPORTOpens in a new window or tabS$ 16.17sowelonutrition (17,056) 98.8%35+ watchers
- L-Theanine Powder Nootropic Stress Anxiety Memory Relaxation Sleep Mood SupportOpens in a new window or tabS$ 20.28herbal_diet2015 (11,743) 99.8%22+ sold
- L-Theanine Capsules STRONG Nootropic Stress Anxiety Memory Relaxation Sleep MoodOpens in a new window or tabS$ 38.88home4naturals (25,814) 99.7%6+ watchers
- L-Theanine Capsules STRONG Nootropic Stress Anxiety Memory Relaxation Sleep MoodOpens in a new window or tabS$ 36.53herbal_diet2015 (11,743) 99.8%
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 10.08 to S$ 19.40Top-rated sellerTop-rated sellerWas: S$ 10.60 5% offxemenry (883) 98.5%Free International Shippingfrom China
- L-Theanine Powder Nootropic Stress Anxiety Memory Relaxation Sleep Mood SupportOpens in a new window or tabBrand NewS$ 6.78 to S$ 145.94Top-rated sellerTop-rated sellerhome4naturals (25,814) 99.7%Free International Shippingfrom IndiaFree returns
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.44 to S$ 20.77Top-rated sellerTop-rated sellerWas: S$ 19.74 42% offliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- L-Theanine 200 mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 11.43 to S$ 20.79Top-rated sellerTop-rated sellerWas: S$ 19.70 42% offshenzhenqingge (1,120) 98.7%Free International Shippingfrom China
- Night Time Fat Burner With L-Theanine, Valerian Root For Fat Burn , SleepOpens in a new window or tabBrand NewS$ 12.33 to S$ 21.92bcuelovvip (57) 98.3%Was: S$ 24.65 50% offFree International Shippingfrom China
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.50 to S$ 20.93Top-rated sellerTop-rated sellerWas: S$ 19.18 40% offfeng_4835 (538) 99.4%Free International Shippingfrom China
- Sleep Gummies 3mg - L-Theanine, Melatonin - Sleep Aid, Improve Sleep QualityOpens in a new window or tabBrand NewS$ 13.47 to S$ 23.86Top-rated sellerTop-rated sellerWas: S$ 22.46 40% offfeng_4835 (538) 99.4%Free International Shippingfrom China
- 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$ 23.06 to S$ 55.35focussupplements_uk (9,245) 98.1%+S$ 7.69 postagefrom United Kingdom34+ sold
- Sports Research L-Theanine & Caffeine Dietary Supplement - 60 SoftgelsOpens in a new window or tab#1 Seller of Sports Research - Over 450,000 FeedbacksBrand NewS$ 42.29forzasports (603,573) 99.2%+S$ 8.71 postagefrom United StatesAlmost gone29 watchers
- L-Theanine 200mg - Stress Relief, Calming & Anti-Anxiety, Promotes Relax 120pcsOpens in a new window or tabBrand NewS$ 20.95Top-rated sellerTop-rated sellerWas: S$ 34.91 40% offdunanjia66 (1,684) 97.5%Free International Shippingfrom China
- L-Theanine Powder Nootropic Stress Anxiety Memory Relaxation Sleep Mood SupportOpens in a new window or tabBrand NewS$ 8.10 to S$ 117.74Top-rated sellerTop-rated sellerherbal_diet2015 (11,743) 99.8%Free International Shippingfrom IndiaFree returns22+ sold
- L-Theanine Powder Nootropic Stress Anxiety Memory Relaxation Sleep Mood SupportOpens in a new window or tabBrand NewS$ 5.82 to S$ 133.20Top-rated sellerTop-rated sellerhome4naturals (25,814) 99.7%Free International Shippingfrom IndiaFree returns
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.50 to S$ 20.93Top-rated sellerTop-rated sellerWas: S$ 19.18 40% offdunanjia66 (1,684) 97.5%Free International Shippingfrom China
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.40 to S$ 20.77Top-rated sellerTop-rated sellerWas: S$ 19.67 42% offliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- Sleep Well - 5-HTP, L-Theanine - Natural Sleep Support, Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 10.75 to S$ 20.74Top-rated sellerTop-rated sellerWas: S$ 11.32 5% offxemenry (883) 98.5%Free International Shippingfrom China
- Sleep Well - 5-HTP, L-Theanine - Natural Sleep Support, Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.94 to S$ 22.19Top-rated sellerTop-rated sellerxemenry (883) 98.5%Free International Shippingfrom China
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 10.09 to S$ 19.39Top-rated sellerTop-rated sellerWas: S$ 10.61 5% offxemenry (883) 98.5%Free International Shippingfrom China
- L-Theanine 200 mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 11.00 to S$ 19.40Top-rated sellerTop-rated sellerWas: S$ 11.57 5% offshenzhenqingge (1,120) 98.7%Free International Shippingfrom China
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.00 to S$ 19.27Top-rated sellerTop-rated sellerWas: S$ 11.57 5% offxemenry (883) 98.5%Free International Shippingfrom China
- L-Theanine Capsules STRONG Nootropic Stress Anxiety Memory Relaxation Sleep MoodOpens in a new window or tabBrand NewS$ 5.82 to S$ 38.88Top-rated sellerTop-rated sellerhome4naturals (25,814) 99.7%Free International Shippingfrom IndiaFree returns
- L-Theanine 400mg per serving 120 capsules made in the UK in GMP FACILITIESOpens in a new window or tabBrand NewS$ 27.50iperk-ltd (4,169) 100%+S$ 92.28 postagefrom United Kingdom
- Uber Melatonin 10mg - Natural Sleep Aid - Ashwagandha, Magnesium, L-TheanineOpens in a new window or tabBrand NewS$ 11.52 to S$ 20.89Top-rated sellerTop-rated sellerWas: S$ 19.20 40% offfeng_4835 (538) 99.4%Free International Shippingfrom China
- New Tea Era Tea theanine tablets pressed candyOpens in a new window or tabBrand NewS$ 250.06newteaera (98) 50%Free International Shippingfrom China
- L Theanine XL 600mg Capsules Cognitive Health Memory Anxiety Mental FocusOpens in a new window or tabBrand NewS$ 8.38 to S$ 50.78Top-rated sellerTop-rated sellerCustoms services and international tracking provided+S$ 24.47 shipping estimatecharge-products-uk (21,735) 99.1%from United Kingdom
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 10.05 to S$ 19.33Top-rated sellerTop-rated sellerWas: S$ 10.58 5% offliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- Sleep - with Melatonin, L-Theanine - Improve Sleeping, Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.40 to S$ 20.77Top-rated sellerTop-rated sellerWas: S$ 19.67 42% offshenzhenqingge (1,120) 98.7%Free International Shippingfrom China
- Sleep Well - Lemon Balm, L-Theanine, Chamomile, Vallerian, Passionflower, 5-HTPOpens in a new window or tabBrand NewS$ 11.39 to S$ 20.79Top-rated sellerTop-rated sellerWas: S$ 19.64 42% offxemenry (883) 98.5%Free International Shippingfrom China
- Caffeine & L-Theanine - Brain Health, Memory Enhancer, Concentrated AttentionOpens in a new window or tabBrand NewS$ 10.09 to S$ 19.35Top-rated sellerTop-rated sellerWas: S$ 10.61 5% offjiangshibin (1,454) 98.5%Free International Shippingfrom China
- Goodbye Stress - L-Theanine, Ashwagandha, Lemon Balm - Keep Calm & Stay AlertOpens in a new window or tabBrand NewS$ 11.40 to S$ 20.77Top-rated sellerTop-rated sellerWas: S$ 19.65 42% offxemenry (883) 98.5%Free International Shippingfrom China
- L-Theanine 200mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 11.52 to S$ 20.92Top-rated sellerTop-rated sellerWas: S$ 19.20 40% offfeng_4835 (538) 99.4%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$ 49.68hessconnection (146) 100%+S$ 27.14 postagefrom United States
- 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 (38,251) 99.3%+S$ 24.47 shipping estimatefrom United Kingdom
- L-Theanine 400mg capsules suitable for vegans reduces stress improves metabolismOpens in a new window or tabBrand NewS$ 22.34 to S$ 106.19Top-rated sellerTop-rated sellerWas: S$ 23.52 5% offgl_nutrition2016 (21,823) 98.5%Free International Shippingfrom PolandFree returns
- L-Theanine 200 mg - Stress Relief, Calming & Anti-Anxiety, Promotes RelaxationOpens in a new window or tabBrand NewS$ 11.96 to S$ 22.24Top-rated sellerTop-rated sellershenzhenqingge (1,120) 98.7%Free International Shippingfrom China
- L-Theanine 400mg 180 Capsules Nootropic Memory Relaxation Focus StressOpens in a new window or tabBrand NewS$ 19.74Customs services and international tracking providedpharmasuk (59,407) 99.6%+S$ 23.01 shipping estimatefrom United Kingdom246 watchers
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.92 to S$ 22.22Top-rated sellerTop-rated sellerxemenry (883) 98.5%Free International Shippingfrom China
- L-Theanine 200mg - Positive Emotions,Relieve Stress,Supporting Calm & RelaxationOpens in a new window or tabBrand NewS$ 11.90 to S$ 22.19Top-rated sellerTop-rated sellerliuyongping0 (1,257) 97.6%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$ 30.75 to S$ 73.81focussupplements_uk (9,245) 98.1%+S$ 7.69 postagefrom United Kingdom31+ watchers
- L-Theanine 200mg - Positive Emotions,Relieve Stress,Supporting Calm & RelaxationOpens in a new window or tabBrand NewS$ 10.91 to S$ 19.23Top-rated sellerTop-rated sellerWas: S$ 11.48 5% offliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- Sleep Deep 5-HTP Gummies - with Melatonin & L-Theanine - Improve Sleep QualityOpens in a new window or tabBrand NewS$ 18.06Top-rated sellerTop-rated sellerWas: S$ 30.10 40% offdunanjia66 (1,684) 97.5%Free International Shippingfrom China
- Melatonin 30mg - Sleep Aid, Relieve Stress & Anxiety - L-Theanine, AshwagandhaOpens in a new window or tabBrand NewS$ 13.52 to S$ 23.87Top-rated sellerTop-rated sellerWas: S$ 22.52 40% offfeng_4835 (538) 99.4%Free International Shippingfrom China
- Caffeine & L-Theanine Capsules 150mg - Focused Energy Alertness and RelaxationOpens in a new window or tabBrand NewS$ 11.02 to S$ 19.36Top-rated sellerTop-rated sellerWas: S$ 11.59 5% offxemenry (883) 98.5%Free International Shippingfrom China
- Melatonin 20mg - with L-Theanine - Sleep Aid, Extend Sleep Time, Relieve StressOpens in a new window or tabBrand NewS$ 11.47 to S$ 17.49Top-rated sellerTop-rated sellerWas: S$ 19.77 42% offliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- Caffeine & L-Theanine - Brain Health, Memory Enhancer, Concentrated AttentionOpens in a new window or tabBrand NewS$ 11.83 to S$ 22.04Top-rated sellerTop-rated sellerjiangshibin (1,454) 98.5%Free International Shippingfrom China
- L-Theanine 400mg 90 Capsules Nootropic Memory Relaxation Focus StressOpens in a new window or tabBrand NewS$ 12.69Customs services and international tracking providedsupplementeduk (19,210) 99.7%+S$ 22.55 shipping estimatefrom United Kingdom65 sold
- L-Theanine 400mg suitable for vegans reduces stress improves metabolism capsulesOpens in a new window or tabBrand NewS$ 24.20 to S$ 112.78Top-rated sellerTop-rated sellergl_nutrition2016 (21,823) 98.5%Free International Shippingfrom PolandFree returns
- Melatonin 30mg - Regulate Sleep Cycle,Relieve Stress & Anxiety- with AshwagandhaOpens in a new window or tabBrand NewS$ 13.46 to S$ 19.99Top-rated sellerTop-rated sellerWas: S$ 23.20 42% offshenzhenqingge (1,120) 98.7%Free International Shippingfrom China
- Uber Melatonin 10mg - Sleep Support Supplements, Relieve Stress and AnxietyOpens in a new window or tabBrand NewS$ 11.44 to S$ 19.70Top-rated sellerTop-rated sellerWas: S$ 19.06 40% offdunanjia66 (1,684) 97.5%Free International Shippingfrom China
- L-Theanine 200mg - Positive Emotions,Relieve Stress,Supporting Calm & RelaxationOpens in a new window or tabBrand NewS$ 11.39 to S$ 20.83Top-rated sellerTop-rated sellerWas: S$ 19.64 42% offliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- L-Theanine 200mg, Improved sleep, Relaxation, Weight loss, Blood pressureOpens in a new window or tabBrand NewS$ 13.17Top-rated sellerTop-rated sellerhealthvalleyvitamins (8,071) 99.9%+S$ 25.76 postagefrom United States45 watchers
- L-Theanine 250mg Green Tea Veg 90 Capsules Healthy MoodOpens in a new window or tabBrand NewS$ 14.07healthymood2015 (34,609) 99.7%+S$ 15.23 postagefrom United Kingdom
- 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$ 30.73 to S$ 142.53Top-rated sellerTop-rated sellerWas: S$ 32.35 5% offgl_nutrition2016 (21,823) 98.5%Free International Shippingfrom PolandFree returns14+ watchers
- Alpha Brain Memory & Focus Capsule Cognitive Supplement Men&Women Nootropic 2025Opens in a new window or tabBrand NewS$ 55.35orgaaniks (202) 100%+S$ 27.69 postagefrom United Kingdom109 sold
- Goodbye Stress - L-Theanine, Ashwagandha - Improve Sleeping, Relieve StressOpens in a new window or tabBrand NewS$ 11.11 to S$ 20.99Top-rated sellerTop-rated sellerxemenry (883) 98.5%Free International Shippingfrom China
- Blood Sugar Blend - with CoQ10, Ashwagandha, Resveratrol - Lower Blood SugarOpens in a new window or tabBrand NewS$ 10.09 to S$ 19.35Top-rated sellerTop-rated sellerWas: S$ 14.25 5% offhuangugm6 (1,481) 98.3%Free International Shippingfrom China
- Sleep Deep 5-HTP - Night Sleep Aid, Calm and Relax - Melatonin, L-TheanineOpens in a new window or tabBrand NewS$ 13.52 to S$ 23.90Top-rated sellerTop-rated sellerWas: S$ 22.52 40% offfeng_4835 (538) 99.4%Free International Shippingfrom China
- Blood Sugar Blend 800mg - with Berberine & Cinnamon - Glucose Balance & ControlOpens in a new window or tabBrand NewS$ 11.33 to S$ 20.73Top-rated sellerTop-rated sellerWas: S$ 18.87 40% offdunanjia66 (1,684) 97.5%Free International Shippingfrom China
- Melatonin + Sleep Aid Complex - Ashwagandha, Chamomile, 5-HTP, L-Theanine 120pcsOpens in a new window or tabBrand NewS$ 20.79Top-rated sellerTop-rated sellerWas: S$ 43.31 52% offcoolkin3 (328) 96.6%Free International Shippingfrom China
- THEANINE 500mg CAPSULES x 60 90 120 180 240 360 500 1000Opens in a new window or tabBrand NewS$ 3.37 to S$ 84.65Customs services and international tracking providednutriselle (17,857) 99%+S$ 21.93 shipping estimatefrom United Kingdom
- L-Theanine 250mg Green Tea Veg Capsules NutritionOpens in a new window or tabBrand NewS$ 1.52 to S$ 140.95healthymood2015 (34,609) 99.7%+S$ 15.23 postagefrom United Kingdom
- Will Powder - CALM L-Theanine 400mg Vegetable Capsules - Pack of 90 - Sealed.Opens in a new window or tabBrand NewS$ 28.77Customs services and international tracking providedrise_again_2211 (1,978) 98.4%+S$ 23.28 shipping estimatefrom United Kingdom
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.00 to S$ 19.38Top-rated sellerTop-rated sellerWas: S$ 11.57 5% offliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 10.09 to S$ 19.36Top-rated sellerTop-rated sellerWas: S$ 10.61 5% offliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- Goodbye Stress Capsules - with L-Theanine,Ashwagandha - Relieve Stress & AnxietyOpens in a new window or tabBrand NewS$ 11.84 to S$ 22.20Top-rated sellerTop-rated sellerliuyongping0 (1,257) 97.6%Free International Shippingfrom China
- Magnesium Glycinate Complex 1000mg L-Theanine 200mg Apigenin 50mg Citrate 60 CapOpens in a new window or tabBrand NewS$ 71.30globalzzeems (123) 100%+S$ 22.07 postagefrom United States9 watchers
- NATION HEALTH MD Cognilux, Brain Supplements for Memory and Focus with NiacinOpens in a new window or tabBrand NewS$ 73.77nationhealthmd (26) 88.2%Was: S$ 86.79 15% off+S$ 14.64 postagefrom United States
- L-Theanine Capsule 99.9% pure Reduce Stress Improve Sleep Boost ConcentrationOpens in a new window or tabBrand NewS$ 14.00 to S$ 163.40Top-rated sellerTop-rated sellerWas: S$ 172.00 5% offherbalextractseller (10,112) 97.3%Free International Shippingfrom India
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