MaryRuth's L-Theanine Liquid Drops, Lemon Lime supplement bottle
MaryRuth's

L-Theanine Liquid Drops, Lemon Lime Review

What We Researched
3 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification 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

  • Organic Glycerin
  • Citric Acid
  • Natural Flavor
  • Organic Stevia Leaf Extract
Efficacy Excellent

Dosage Analysis

  • L-Theanine 200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 5
Total Carbohydrate 1 g <1%*
L-Theanine 200 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Organic Glycerin Safe

It helps to retain moisture and dissolve ingredients.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Natural Flavor Safe

Improves taste of chewable, gummy, or liquid supplements.

Organic Stevia Leaf Extract Safe

It provides a sweet taste without added calories.

Brand Trust Report
MaryRuth's

Founded 2014 · Los Angeles, California, United States · 212 products · maryruthorganics.com

Certifications

1 certification
B Corp Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source

Violation History

2 incidents
Lawsuit Trademark infringement (confusingly similar trade dress).2022Source
Recall Liquid Probiotic for Infants (1oz)2021-10-29Source
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Frequently Asked Questions
Is MaryRuth's L-Theanine Liquid Drops, Lemon Lime a good supplement?

MaryRuth's L-Theanine Liquid Drops, Lemon Lime 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 3 active ingredients with 30 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, MaryRuth's, holds a brand trust score of 83/100 with 1 verified certifications including B Corp Certified.

What are the ingredients in MaryRuth's L-Theanine Liquid Drops, Lemon Lime?

MaryRuth's L-Theanine Liquid Drops, Lemon Lime contains 3 active ingredients: Calories (5), Total Carbohydrate (1 g), L-Theanine (200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is MaryRuth's L-Theanine Liquid Drops, Lemon Lime safe to take?

MaryRuth's L-Theanine Liquid Drops, Lemon Lime 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 MaryRuth's a trustworthy supplement brand?

MaryRuth's receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2014 and headquartered in Los Angeles, California, United States, the company offers 212 products in their lineup. They hold 1 verified certifications including B Corp Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: MaryRuth's has 2 historical regulatory incidents on record, which are factored into the trust score.

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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.