Best L-Theanine Supplements
14 products compared by price per gram of active ingredient
Brand:BulkSupplementsCalifornia Gold NutritionDoctor's BestEVLutionForce FactorKALLife ExtensionMetabolic Maintenance
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Best Deal
#1
$0.05per gram
$50.97 / bagBulk Supplements, L-Theanine Powder, 1 Kilogram (2.2 lbs)
BulkSupplementsBulkSupplements4 options
Save 89%
#2
$0.29per gram
$20.97 / bottleL-Theanine Capsules
BulkSupplementsBulkSupplements
Save 88%
#3
$0.31per gram
$14.99 / bottleVitamatic, L-Theanine, 240 Tablets, (200 mg per Tablet)
VitamaticiHerbNew
Save 84%
#4
$0.42per gram
$19.95 / bottleNutricost, L-Theanine, 200 mg, 240 Capsules
NutricostiHerbNew4 options
Save 80%
#5
$0.52per gram
$12.50 / bottlePrimaforce, L-Theanine, 200 mg, 120 Capsules
PrimaforceiHerbNew
Save 79%
#6
$0.55per gram
$11.04 / bottleOrganika, L-Theanine, 225 mg, 90 Vegetarian Capsules
OrganikaiHerbNew
Save 78%
#7
$0.58per gram
$6.99 / bottleForce Factor, L-Theanine, Extra Strength, 200 mg, 60 Vegetarian Capsules
Force FactoriHerbNew2 options
Save 73%
#8
$0.71per gram
$8.54 / bottleNutraLife, L-Theanine, 200 mg, 60 Capsules
NutraLifeiHerbNew
Save 71%
#9
$0.75per gram
$19.80 / bagNOW Foods Supplements, L-Theanine Pure Powder, Tension Management*, Amino Acid, 1-Ounce
NOW FoodsAmazon2 options · 2 retailers
Save 71%
#10
$0.75per gram
$8.99 / bottleNature's Truth L Theanine | 200mg | 60 Quick Release Capsules | Non-GMO & Gluten Free Supplement
Nature's TruthAmazon2 options · 2 retailers
Save 43%
#11
$1.48per gram
$35.47 / bottleSports Research L-Theanine 200mg with Organic Coconut Oil | Suntheanine Supplement for Focus, Relaxation & Alertness | Double Strength, Non-GMO & Gluten Free
Sports ResearchAmazon4 options · 2 retailers
All options (sorted by value):
Amazon120 ctSports Research L-Theanine 200mg with Organic Coconut Oil | Suntheanine Supplement for Focus, Relaxation & Alertness | Double Strength, Non-GMO & Gluten Free
$35.47Buy
iHerb120 ctSports Research, L-Theanine, 200 mg, 120 Softgels
$38.97Buy
Amazon60 ctSports Research Double Strength L-Theanine Supplement - Suntheanine Softgels for Focus, Relaxation & Alertness - Non-Drowsy Support Made with Coconut Oil, Non-GMO & Gluten Free - 200mg, 60 Count
$19.95Buy
+1 more...Save 40%
#12
$1.57per gram
$9.43 / bottleCalifornia Gold Nutrition, L-Theanine, Featuring AlphaWave®, 100 mg, 60 Veg Capsules
California Gold NutritioniHerbNew
Save 26%
#13
$1.92per gram
$23.09 / bottleSwanson, Suntheanine® L-Theanine, 200 mg, 60 Vegan Capsules
SwansoniHerbNew
#14
$2.60per gram
$15.59 / bottleSwanson, Suntheanine® L-Theanine, 100 mg, 60 Veg Capsules
SwansoniHerbNew2 options