New Roots Herbal L-Theanine 250 mg supplement bottle
New Roots Herbal

L-Theanine 250 mg

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · Last updated: Mar 2026
100
Product Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Theanine 250 mg
Bioavailability Excellent

Absorption Rating

  • L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Vegetable Magnesium Stearate
  • and silicon dioxide in a non-GMO vegetable capsule composed of vegetable carbohydrate gum and purified water
Efficacy Excellent

Dosage Analysis

  • L-Theanine 250 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Theanine 250 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

and silicon dioxide in a non-GMO vegetable capsule composed of vegetable carbohydrate gum and purified water Unknown
Brand Trust Report
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Frequently Asked Questions
Is New Roots Herbal L-Theanine 250 mg a good supplement?

New Roots Herbal L-Theanine 250 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. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review.

What are the ingredients in New Roots Herbal L-Theanine 250 mg?

New Roots Herbal L-Theanine 250 mg contains 1 active ingredients: L-Theanine (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is New Roots Herbal L-Theanine 250 mg safe to take?

New Roots Herbal L-Theanine 250 mg 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.

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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.