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Suntheanine

non-nutrient/non-botanical

66
products
Updated April 2026

Dosage Range

24 mgavg 134.79 mg400 mg

Suntheanine is found in 117 supplement products from 39 brands. Dosages range from 24 to 400 mg, with an average of 134.79. The most common form is Capsule.

Top 5 Highest-Dosage Suntheanine Supplements

  1. L-Theanine 200 mg by Woodstock Vitamins — 400 mg
  2. Suntheanine 400 mg by SuperSmart — 400 mg
  3. L-Theanine by XYMOGEN — 400 mg
  4. L-Theanine 200 mg by Sports Research — 200 mg
  5. Burn MF Gummy Worm by GNC Beyond Raw — 200 mg

L-Theanine 200 mg by Woodstock Vitamins has the highest Suntheanine dosage at 400 mg. Gut-Brain Balance by Hyperbiotics has the lowest at 100 mg.

All Products

showing 66 of 66
L-Theanine 200 mg
● OTHER INGREDIENTS (2)
Woodstock Vitamins
400 mg— DVCapsule
Suntheanine 400 mgSuperSmart
400 mg— DVCapsule
L-TheanineXYMOGEN
400 mg— DVCapsule
L-Theanine 200 mgSports Research
200 mg— DVSoftgel Capsule
Burn MF Gummy Worm
● OTHER INGREDIENTS (3)
GNC Beyond Raw
200 mg— DVPowder
Spectrum AwakeningMetabolic Maintenance
200 mg— DVPowder
L-Theanine 200 mg
● OTHER INGREDIENTS (2)
Country Life
200 mg— DVCapsule
Adreno Calm
● OTHER INGREDIENTS (1)
Genestra Brands
200 mg— DVCapsule
L-Theanine 200 mgDaVinci Laboratories
200 mg— DVCapsule
TheanineThorne
200 mg— DVCapsule
Zen Adapt with SensorilAllergy Research Group
200 mg— DVCapsule
L-Theanine 200 mg Plus Gaba 100 mg
● OTHER INGREDIENTS (1)
Dr. Mercola
200 mg— DVCapsule
Zen Sleep with P5P and 5-HTPAllergy Research Group
200 mg— DVCapsule
L-Theanine
● OTHER INGREDIENTS (2)
Ortho Molecular Products
200 mg— DVCapsule
Cerebral CalmEmerald Labs
200 mg— DVCapsule
TrueZs
● OTHER INGREDIENTS (1)
NatureCity
200 mg— DVCapsule
Burn MF Orange Mango
● OTHER INGREDIENTS (1)
GNC Beyond Raw
200 mg— DVPowder
CaffPhenolPure Encapsulations
200 mg— DVCapsule
L-Theanine 200 mgMetabolic Maintenance
200 mg— DVCapsule
Sleep Tonight Melatonin Drops Cherry FlavoredNature's Way
200 mg— DVLiquid
Stress Support
● OTHER INGREDIENTS (2)
The Vitamin Shoppe
200 mg— DVCapsule
Sleep + Blueberry FlavoredThorne Research
200 mg— DVOther (e.g. tea bag)
Sleep HealthEmerald Labs
150 mg— DVCapsule
Sleep CompleteDaVinci Laboratories
100 mg— DVCapsule
Teen Focus
● OTHER INGREDIENTS (2)
Advanced Nutrition by Zahler
100 mg— DVCapsule
EstroComfort
● OTHER INGREDIENTS (2)
Futurebiotics
100 mg— DVCapsule
Sleep Solution (Single Dose Liquid)Pure Encapsulations
100 mg— DVLiquid
Pure Tranquility LiquidPure Encapsulations
100 mg— DVLiquid
TranquinolPremier Research Labs
100 mg— DVCapsule
Relax Sleep Formula
● OTHER INGREDIENTS (3)
CATALO
100 mg— DVTablet or Pill
ChildCalm Fruit Punch Flavor
● OTHER INGREDIENTS (2)
Advanced Nutrition by Zahler
100 mg— DVTablet or Pill
Sleep Benefits Melatonin FreeDaVinci Benefits Line
100 mg— DVCapsule
Vital Adrenal Cortisol Support
● OTHER INGREDIENTS (1)
Woodstock Vitamins
100 mg— DVCapsule
PRO-Mood with l-theanine
● OTHER INGREDIENTS (1)
Hyperbiotics
100 mg— DVTablet or Pill
Sleep Select
● OTHER INGREDIENTS (2)
Moss Nutrition
100 mg— DVCapsule
Stress ReleaseBody Kitchen
100 mg— DVCapsule
Sleep BenefitsDaVinci Benefits Line
100 mg— DVCapsule
Daily Pure Pack Mood BalancePure Encapsulations
100 mg— DVOther (e.g. tea bag)
Mood Food ES
● OTHER INGREDIENTS (2)
XYMOGEN
100 mg— DVCapsule
Suntheanine L-Theanine 100 mg
● OTHER INGREDIENTS (1)
Swanson
100 mg— DVCapsule
Cortisolv
● OTHER INGREDIENTS (1)
XYMOGEN
100 mg— DVCapsule
L-Theanine 100 mg Mint Flavored
● OTHER INGREDIENTS (2)
Country Life
100 mg— DVTablet or Pill
Stress Balance
● OTHER INGREDIENTS (1)
Country Life Gut Connection
100 mg— DVCapsule
Just Relax WatermelonPure TheraPro Rx
55 mg— DVPowder
Just Relax CherryPure TheraPro Rx
55 mg— DVPowder
RelaxMaxXYMOGEN
50 mg— DVPowder
Day
● OTHER INGREDIENTS (2)
Natrol
50 mg— DVTablet or Pill
Daily Pure Pack Healthy Sleep
● OTHER INGREDIENTS (2)
Pure Encapsulations
50 mg— DVOther (e.g. tea bag)
PM Formula
● OTHER INGREDIENTS (2)
Nature's Way
50 mg— DVTablet or Pill
Stress GuardOregon's Wild Harvest
50 mg— DVCapsule
Best-Rest Formula
● OTHER INGREDIENTS (2)
Pure Encapsulations
50 mg— DVCapsule
Sleep Essential Natural Berry FlavorChildLife Essentials
50 mg— DVLiquid
RelaxMax Natural Cherry FlavorXYMOGEN
50 mg— DVPowder
Prothrivers Wellness Sleep
● OTHER INGREDIENTS (1)
Integrative Therapeutics
50 mg— DVCapsule
Maxi-Skin Collagen + L-Theanine Zen Orange Mandarin Flavored Powder
● OTHER INGREDIENTS (1)
Country Life
30 mg— DVPowder
ThermosetDaVinci Laboratories
25 mg— DVCapsule
Kyolic Formula 109
● OTHER INGREDIENTS (2)
Kyolic
24 mg— DVCapsule
Kyolic Nattokinase, Suntheanine
● OTHER INGREDIENTS (2)
Kyolic
24 mg— DVCapsule
Kyolic Nattokinase, Suntheanine Formula 109
● OTHER INGREDIENTS (2)
Kyolic
24 mg— DVCapsule
Natural Stress ReliefDiscontinued
● OTHER INGREDIENTS (1)
Life Extension
200 mg— DVCapsule
Sleep + Wild BlueberryDiscontinuedThorne Research
200 mg— DVOther (e.g. tea bag)
Sleep tonight Melatonin Drops Cherry FlavoredDiscontinuedNature's Way
200 mg— DVLiquid
Quantum Sleep and MoodDiscontinuedQuantum Nutrition Labs
100 mg— DVCapsule
L-Theanine 100 mgDiscontinued
● OTHER INGREDIENTS (1)
Country Life
100 mg— DVUnknown
Quantum Relax and SlumberDiscontinuedQuantum Nutrition Labs
100 mg— DVCapsule
Gut-Brain BalanceDiscontinued
● OTHER INGREDIENTS (1)
Hyperbiotics
100 mg— DVTablet or Pill

Frequently Asked Questions

How many products contain Suntheanine?

There are 117 supplement products containing Suntheanine from 39 brands in the NIH DSLD database.

What is the average Suntheanine dosage?

The average Suntheanine dosage across supplement products is 134.79 mg. Dosages range from 24 to 400 mg.

What is the most common form for Suntheanine supplements?

The most common product form for Suntheanine supplements is Capsule.

What brands make Suntheanine supplements?

There are 39 brands that make supplements containing Suntheanine in the NIH DSLD database.

Related Ingredients

Inositol7,467Lutein3,954Lycopene3,130Coenzyme Q102,898Alpha Lipoic Acid2,496PABA2,209Rutin2,169Taurine2,137

Explore More

Quick Facts

Products
117
Brands
39
Avg Dose
134.79 mg
Common Form
Capsule
Category
non-nutrient/non-botanical

Related Ingredients

Inositol7,467Lutein3,954Lycopene3,130Coenzyme Q102,898Alpha Lipoic Acid2,496