PrePrimal L-Theanine, 200 mg, 120 Capsules supplement bottle
PrePrimal

L-Theanine, 200 mg, 120 Capsules

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
100
Product Score Excellent
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Theanine 200 mg *
Bioavailability Excellent

Absorption Rating

  • L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin Capsule
  • Rice Flour
  • Magnesium Stearate (Vegetable Source)
  • Microcrystalline Cellulose
  • Silica
Efficacy Excellent

Dosage Analysis

  • L-Theanine 200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Theanine 200 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Capsule Safe

It is used as a material for making capsules.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Microcrystalline Cellulose Safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

iHerb $15.63 $0.13 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$14$13 Mar 12 $15.00
iHerb

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

Brand Trust Report
PrePrimal

· Pleasant Grove, Utah, USA · 12 products · preprimal.com/

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Claimed Source
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Frequently Asked Questions
Is PrePrimal L-Theanine, 200 mg a good supplement?

PrePrimal L-Theanine, 200 mg, 120 Capsules 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 5 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, PrePrimal, holds a brand trust score of 59/100.

What are the ingredients in PrePrimal L-Theanine, 200 mg?

PrePrimal L-Theanine, 200 mg contains 1 active ingredients: L-Theanine (200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is PrePrimal L-Theanine, 200 mg safe to take?

PrePrimal L-Theanine, 200 mg, 120 Capsules 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 PrePrimal a trustworthy supplement brand?

PrePrimal receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 12 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. 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.