Bulk Supplements L-Theanine Capsules supplement bottle
Bulk Supplements

L-Theanine Capsules Review

What We Researched
1 active ingredient analyzed · 1 inactive ingredient decoded · 4 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
83
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Theanine 200 mg
Bioavailability Excellent

Absorption Rating

  • L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Bovine Gelatin
Efficacy Excellent

Dosage Analysis

  • L-Theanine 200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Theanine 200 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Bovine Gelatin Safe

Forms capsule shells. Sourced from bovine (cow) collagen.

Brand Trust Report

Certifications

4 certifications
NSF Certified for Sport Verified
NSF Contents Certified Verified
NSF Certified Verified
USDA Organic Verified

Transparency

2 claims
Third Party Testing Claim — True
Testing Lab Disclosure — True
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Frequently Asked Questions
Is Bulk Supplements L-Theanine Capsules a good supplement?

Bulk Supplements L-Theanine Capsules 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 with 365 servings per container. All 1 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Bulk Supplements, holds a brand trust score of 83/100 with 4 verified certifications including NSF Certified for Sport, NSF Contents Certified, NSF Certified, USDA Organic.

What are the ingredients in Bulk Supplements L-Theanine Capsules?

Bulk Supplements L-Theanine Capsules contains 1 active ingredients: L-Theanine (200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Bulk Supplements L-Theanine Capsules safe to take?

Bulk Supplements L-Theanine Capsules has been analyzed for ingredient safety across all its components. All 1 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Bulk Supplements a trustworthy supplement brand?

Bulk Supplements receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. They hold 4 verified certifications including NSF Certified for Sport, NSF Contents Certified, NSF Certified, USDA Organic. 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 — read our methodology. 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.