L-theanine capsules
55 capsules · narrow to what's right for you — strength, pack size, form — then take the best price
SortA–ZLowest pricePer capsulePackAny60+90+120+180+VeganMade in BritainKetoLow-carbStrengthAny500mg+1000mg+1000IU+
Showing 25–48 of 55
ML NaturalsML Naturals L-Theanine 250mg 240 Capsules240 per pack · 250mg · 24.7p/cap£59.33 
MusebeamMusebeam Apigenin 50mg 60 Capsules60 per pack · 50mg · 40.8p/cap£24.48 
Nature's BestNature's Best L-Theanine 200mg 120 Capsules120 per pack · 200mg · 18.8p/cap£22.50 - Nature's BestNature's Best L-Theanine 200mg 60 Capsules60 per pack · 200mg · 20.8p/cap£12.50
Nature's TruthNature's Truth L-Theanine 200mg 60 Capsules60 per pack · 200mg · 30.8p/cap£18.48 
NatureBellNatureBell Valerian Root for Sleep 300 Capsules300 per pack · 12.6p/cap£37.85 
NaturesPlusNaturesPlus Magnesium NightTime 100mg 60 Capsules60 per pack · 100mg · 29.9p/capFrom £17.95 2 sellers compared
NaturesPlusNaturesPlus PRO Suntheanine L-Theanine 60 Capsules60 per pack · 80.3p/cap£48.16 
NutricostNutricost L-Theanine 200mg 120 Capsules120 per pack · 200mg · 26.4p/cap£31.64 
NutriPactNutriPact Calma Pact Stress Support 180 Capsules180 per pack · 31.6p/cap£56.97 - NutriPactNutriPact Calma Pact Stress Support 60 Capsules60 per pack · 33.3p/cap£19.99
PrimalPrimal L-Theanine 200mg 120 Capsules120 per pack · 200mg · 21.6p/cap£25.98 
SupplementedSupplemented L-Theanine 400mg 180 Capsules180 per pack · 400mg · 7.8p/cap£13.99 - SupplementedSupplemented L-Theanine 400mg 360 Capsules360 per pack · 400mg · 7.5p/cap£26.99
- SupplementedSupplemented L-Theanine 400mg 540 Capsules540 per pack · 400mg · 7.2p/cap£38.99
- SupplementedSupplemented L-Theanine 400mg 90 Capsules90 per pack · 400mg · 10.0p/cap£8.99
Supreme HerbalsSupreme Herbals Organic Ashwagandha 500mg 120 Capsules120 per pack · 500mg · 35.1p/cap£42.18 
TheShroomShopTheShroomShop Calm Reishi+ 750mg 90 Capsules90 per pack · 750mg · 38.9p/cap£34.99 
TheShroomShopTheShroomShop Clarity Lion's Mane 750mg 90 Capsules90 per pack · 750mg · 38.9p/cap£34.99 
TheShroomShopTheShroomShop Elevate Reishi+ 750mg 90 Capsules90 per pack · 750mg · 38.9p/cap£34.99 
TheShroomShopTheShroomShop Reishi Ashwagandha L-Theanine 5-HTP Blend 750mg 90 Capsules90 per pack · 750mg · 38.9p/cap£34.99 
VAHDAMVAHDAM Ashwagandha 1800mg with L-Theanine 90 Capsules90 per pack · 1800mg · 30.5p/cap£27.48 
ViridianViridian Cognitive Complex 60 Capsules60 per pack · 49.1p/capFrom £29.49 3 sellers compared
VitaHarborVitaHarbor Cortisol Support 4-in-1 90 Capsules90 per pack · 53.7p/cap£48.29
Prices checked twice daily and ranked by price alone. How ranking works