Country Life L-Theanine, 100 mg, 60 Chewable Tablet supplement bottle
Country Life

L-Theanine, 100 mg, 60 Chewable Tablet

What We Researched
6 active ingredients analyzed · 8 inactive ingredients decoded · 9 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
93
Product Score Excellent
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B6 (as pyridoxine hydrochloride) 2.5 mg 147%
Suntheanine® L-Theanine† 100 mg **
Bioavailability Very Good

Absorption Rating

  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Suntheanine® L-Theanine† Good
Other Ingredients Excellent

Fillers & Additives

  • Glucose
  • Cellulose
  • Glyceryl Behenate
  • Citric Acid
  • Medium Chain Triglycerides
  • Silica
  • Natural mint flavor
  • Stevia Leaf Extract
Efficacy Excellent

Dosage Analysis

  • Vitamin B6 (as pyridoxine hydrochloride) 2.5 mg Effective
  • Suntheanine® L-Theanine† 100 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 5
Total Carbohydrate 1 g <1%*
Total Sugars 1 g **
Includes 1 g Added Sugars 1 g 2%
Vitamin B6 (as pyridoxine hydrochloride) 2.5 mg 147%
Suntheanine® L-Theanine† 100 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Glucose Generally_safe

It is used as a filler, sweetener, or to improve the flow of powders.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Glyceryl Behenate Safe

It is used as a lubricant in tablet and capsule manufacturing.

Citric Acid Safe

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

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Natural mint flavor Unknown
Stevia Leaf Extract Safe

Provides sweetness without calories or blood sugar impact.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$27$25$24$22$21 Mar 12 $24.69$23.00
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Country Life

Founded 1971 · Hauppauge, New York, USA · 200 products · countrylifevitamins.com

Certifications

9 certifications
B Corp Certified Verified Source
Consumerlab Verified Source
Gluten Free Gfco Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

1 incident
Prop 65 Lead2011-09-26Source
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Frequently Asked Questions
Is Country Life L-Theanine, 100 mg a good supplement?

Country Life L-Theanine, 100 mg, 60 Chewable Tablet received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 6 active ingredients Of the 8 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, Country Life, holds a brand trust score of 81/100 with 9 verified certifications including B Corp Certified, Consumerlab, Gluten Free Gfco, Labdoor.

What are the ingredients in Country Life L-Theanine, 100 mg?

Country Life L-Theanine, 100 mg contains 6 active ingredients: Calories (5), Total Carbohydrate (1 g), Total Sugars (1 g), Includes 1 g Added Sugars (1 g), Vitamin B6 (as pyridoxine hydrochloride) (2.5 mg), Suntheanine® L-Theanine† (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Country Life L-Theanine, 100 mg safe to take?

Country Life L-Theanine, 100 mg, 60 Chewable Tablet 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 Country Life a trustworthy supplement brand?

Country Life receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1971 and headquartered in Hauppauge, New York, USA, the company offers 200 products in their lineup. They hold 9 verified certifications including B Corp Certified, Consumerlab, Gluten Free Gfco, Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Country Life has 1 historical regulatory incident 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. 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.