up&up l-Theanine 100mg Capsules supplement bottle
up&up

l-Theanine 100mg Capsules

What We Researched
· 8 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
97
Product Score Excellent
61
Brand Score Fair

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • L-Theanine
  • Gelatin
  • Silicon Dioxide
  • Magnesium Stearate
  • Polyethylene Glycol Low
  • Acetic Acid
  • Sodium Lauryl Sulfate Low
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

L-Theanine Unknown
Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Acetic Acid Unknown
Sodium Lauryl Sulfate Caution

It is used to help mix oil and water-based ingredients.

Price Comparison

Target $6.59
Best Price

Price History

Tracked across major retailers. Updated periodically.

$9$8$7$6$5 $6.59
Target

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

Brand Trust Report
up&up

Founded 2009 · Minneapolis, Minnesota, United States · 166 products · target.com/b/up-up/-/N-5v61u

Certifications

1 certification
Nsf Gmp Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

2 incidents
Lawsuit Failure to disclose the presence of heavy metals in prenatal vitamins.2022Source
Lawsuit Deceptively marketing biotin supplements with unsubstantiated health claims.2017Source
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Frequently Asked Questions
Is up&up l-Theanine 100mg Capsules a good supplement?

up&up l-Theanine 100mg Capsules received a product quality score of 97/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. Of the 8 inactive ingredients, 4 are rated safe and 2 are flagged for review. The manufacturer, up&up, holds a brand trust score of 61/100 with 1 verified certifications including Nsf Gmp.

Is up&up l-Theanine 100mg Capsules safe to take?

up&up l-Theanine 100mg Capsules has been analyzed for ingredient safety across all its components. Of 8 inactive ingredients, 4 are rated safe. 2 ingredients are flagged for review: Polyethylene Glycol, Sodium Lauryl Sulfate. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is up&up a trustworthy supplement brand?

up&up receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2009 and headquartered in Minneapolis, Minnesota, United States, the company offers 166 products in their lineup. They hold 1 verified certifications including Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: up&up 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. 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.