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 · 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 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 Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
NSF Certified Verified

Transparency

2 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Related Supplements
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, 7 are rated safe and 0 are flagged for review. The manufacturer, Natural Grocers by Vitamin Cottage, holds a brand trust score of 83/100 with 5 verified certifications including Fda Gmp Inspections, Non Gmo Project, Nsf Gmp, Usda Organic.

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?

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

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. They hold 5 verified certifications including Fda Gmp Inspections, Non Gmo Project, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

Scan Any Supplement Instantly

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

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.