L-Theanine, 200 mg Review
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| L-Theanine (Suntheanine®) | 200 mg | † |
Bioavailability Excellent
Absorption Rating
- L-Theanine (Suntheanine®) Good
Other Ingredients Excellent
Fillers & Additives
- Gelatin
- Vegetable Glycerin
- Beeswax
- Purified Water
Efficacy Excellent
Dosage Analysis
- L-Theanine (Suntheanine®) 200 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| L-Theanine (Suntheanine®) | 200 mg | † |
Other Ingredients
Certifications
11 certifications
Transparency
5 claims
Is Sports Research L-Theanine, 200 mg a good supplement?
Sports Research L-Theanine, 200 mg 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 120 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Sports Research, holds a brand trust score of 100/100 with 11 verified certifications including Consumerlab, Informed Sport, Non Gmo Project, Nsf Certified For Sport.
What are the ingredients in Sports Research L-Theanine, 200 mg?
Sports Research L-Theanine, 200 mg contains 1 active ingredients: L-Theanine (Suntheanine®) (200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Sports Research L-Theanine, 200 mg safe to take?
Sports Research L-Theanine, 200 mg has been analyzed for ingredient safety across all its components. All 4 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 Sports Research a trustworthy supplement brand?
Sports Research receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in San Pedro, California, United States, the company offers 135 products in their lineup. They hold 11 verified certifications including Consumerlab, Informed Sport, Non Gmo Project, Nsf Certified For Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Sports Research has 4 historical regulatory incidents on record, which are factored into the trust score.
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