Sunday Natural L-Theanine 200mg — photo 1 of 3
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80.0/100
Sunday Natural

L-Theanine 200mg

Fermentation-derived L-theanine with purity documentation.

Neurobite Quality Score

The score is the average of nine documented inputs. Commission is never one of them.

Ingredient transparency
9/10
Testing & quality control
8/10
Manufacturing standards
8/10
Ingredient sourcing
8/10
Certifications
7/10
Additive profile
9/10
Evidence quality
7/10
Brand transparency
8/10
Relevance to the goal
8/10

Editor's note. A gentle daytime option; discuss with the prescriber if stimulants are in use.

Label & formulation

Dosage form
Capsules
Manufacturing
EU GMP with certificates of analysis per batch.
Ingredients
L-theanine (Suntheanine), HPMC capsule
  • Vegan
  • Vegetarian
  • Gluten-free
  • Dairy-free
  • Soy-free
  • Non-GMO
  • Third-party tested
  • GMP
  • Vegan

Evidence notes

Small trials describe calm alertness and better sleep quality in children with ADHD.

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