Pure Encapsulations L-Theanine, 120 Capsules (200 mg per Capsule) supplement bottle
Pure Encapsulations

L-Theanine, 120 Capsules (200 mg per Capsule)

What We Researched
1 active ingredient analyzed · 2 inactive ingredients decoded · 2 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
77
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Theanine 200 mg / 400 mg *
Bioavailability Excellent

Absorption Rating

  • L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetarian Capsule
  • hypoallergenic Plant Fiber
Efficacy Excellent

Dosage Analysis

  • L-Theanine 200 mg / 400 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Theanine 200 mg / 400 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetarian Capsule Safe

It is used as a vegetarian capsule shell material.

hypoallergenic Plant Fiber Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$112$110$108$107$105 Mar 12 $110.00$107.00
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Pure Encapsulations

Founded 1991 · Sudbury, Massachusetts, United States · 228 products · pureencapsulations.com

Certifications

2 certifications
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
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Frequently Asked Questions
Is Pure Encapsulations L-Theanine, 120 Capsules (200 mg per Capsule) a good supplement?

Pure Encapsulations L-Theanine, 120 Capsules (200 mg per Capsule) received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients Of the 2 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Pure Encapsulations, holds a brand trust score of 77/100 with 2 verified certifications including Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in Pure Encapsulations L-Theanine, 120 Capsules (200 mg per Capsule)?

Pure Encapsulations L-Theanine, 120 Capsules (200 mg per Capsule) contains 1 active ingredients: L-Theanine (200 mg / 400 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Pure Encapsulations L-Theanine, 120 Capsules (200 mg per Capsule) safe to take?

Pure Encapsulations L-Theanine, 120 Capsules (200 mg per Capsule) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Pure Encapsulations a trustworthy supplement brand?

Pure Encapsulations receives a brand trust score of 77/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in Sudbury, Massachusetts, United States, the company offers 228 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.