Bucklebury Magnesium Glycinate with L-Theanine 350 mg supplement bottle
Bucklebury

Magnesium Glycinate with L-Theanine 350 mg Review

What We Researched
· 2 inactive ingredients decoded · Last updated: Aug 2026
100
Product Score Excellent
57
Brand Score Poor

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

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

  • Hydroxypropyl Methylcellulose
  • Magnesium Stearate
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Brand Trust Report
Bucklebury

Founded 2017 · Bentonville, AR, USA · 6 products · bucklebury.com/

Transparency

1 claim
Third Party Testing Claim — Claimed Source
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Frequently Asked Questions
Is Bucklebury Magnesium Glycinate with L-Theanine 350 mg a good supplement?

Bucklebury Magnesium Glycinate with L-Theanine 350 mg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. with 30 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Bucklebury, holds a brand trust score of 57/100.

Is Bucklebury Magnesium Glycinate with L-Theanine 350 mg safe to take?

Bucklebury Magnesium Glycinate with L-Theanine 350 mg has been analyzed for ingredient safety across all its components. All 2 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Bucklebury a trustworthy supplement brand?

Bucklebury receives a brand trust score of 57/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2017 and headquartered in Bentonville, AR, USA, the company offers 6 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.