Get the App
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 · Page generated: Sep 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
Bulk Supplements

· bulksupplements.com/

Certifications

4 certifications
NSF Certified for Sport Supporting evidence unavailable
NSF Contents Certified Supporting evidence unavailable
NSF Certified Supporting evidence unavailable
USDA Organic Supporting evidence unavailable

Transparency

2 claims
Third Party Testing Claim — True Brand claim; evidence unavailable
Testing Lab Disclosure — True Brand claim; evidence unavailable
Related Supplements
Sports Research L-Theanine 200 mg
Sports Research L-Theanine 200 mg
Product 100 Brand 100
Sports Research Double Strength L-Theanine 200 mg
Sports Research Double Strength L-Theanine 200 mg
Product 100 Brand 100
Nature's Way Valerian Root Sleep Aid
Nature's Way Valerian Root Sleep Aid
Product 100 Brand 100
Bulk Supplements St. John's Wort Extract
Bulk Supplements St. John's Wort Extract
Product 100 Brand 83
Bulk Supplements Licorice Root Extract
Bulk Supplements Licorice Root Extract
Product 100 Brand 83
Bulk Supplements Pomegranate Extract
Bulk Supplements Pomegranate Extract
Product 100 Brand 83
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.

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?

GoodSupp reviewed the inactive-ingredient data available for Bulk Supplements L-Theanine Capsules. All 1 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. 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.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Download on App Store Browse All Supplements
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.