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Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple supplement bottle
Natural Grocers by Vitamin Cottage

L-Theanine 100 mg (Pineapple Review

What We Researched
1 active ingredient analyzed · 9 inactive ingredients decoded · 5 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 100 mg —
Bioavailability Excellent

Absorption Rating

  • L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Magnesium Stearate
  • Microcrystalline Cellulose
  • Mannitol
  • Pineapple flavor
  • Citric Acid
  • Stearic Acid
  • Stevia
  • Sodium Bicarbonate
  • Silica
Efficacy Excellent

Dosage Analysis

  • L-Theanine 100 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Theanine 100 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Microcrystalline Cellulose Safe

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

Mannitol Generally_safe

It is used as a sweetener, filler, and flow agent.

Pineapple flavor Unknown
Citric Acid Safe

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

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Stevia Safe

It is used as a sweetener.

Sodium Bicarbonate Safe

It is used as a buffer to neutralize acids.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
Natural Grocers by Vitamin Cottage

Founded 1955 · Lakewood, CO, United States · 83 products · naturalgrocers.com

Certifications

5 certifications
Fda Gmp Inspections Source available Primary evidence
Non Gmo Project Source available Primary evidence
Nsf Gmp Source available Primary evidence
Usda Organic Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

2 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Claimed Evidence available Evidence
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Frequently Asked Questions
Is Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple a good supplement?

Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple 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 90 servings per container. Of the 9 inactive ingredients, 8 are rated safe and 0 ingredients are flagged for review. The manufacturer, Natural Grocers by Vitamin Cottage, holds a brand trust score of 83/100.

What are the ingredients in Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple?

Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple contains 1 active ingredients: L-Theanine (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple safe to take?

GoodSupp reviewed the inactive-ingredient data available for Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple. 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 Natural Grocers by Vitamin Cottage a trustworthy supplement brand?

Natural Grocers by Vitamin Cottage receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Lakewood, CO, United States, the company offers 83 products in their lineup.

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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.