Micro Ingredients L-Theanine + Magnesium Glycinate supplement bottle
Micro Ingredients

L-Theanine + Magnesium Glycinate Review

What We Researched
3 active ingredients analyzed · 3 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
91
Product Score Excellent
86
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
Magnesium (as magnesium glycinate) 26 mg 6%
L-Theanine 200 mg
Magnesium Glycinate 200 mg
Bioavailability Excellent

Absorption Rating

  • Magnesium (as magnesium glycinate) Good
  • L-Theanine Good
  • Magnesium Glycinate Good
Other Ingredients Excellent

Fillers & Additives

  • Coconut Oil
  • Mct oil (from coconut oil)
  • Softgel (Gelatin, Glycerin, Purified Water)
Efficacy Good

Dosage Analysis

  • Magnesium (as magnesium glycinate) 26 mg Under-dosed
  • L-Theanine 200 mg Effective
  • Magnesium Glycinate 200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (as magnesium glycinate) 26 mg 6%
L-Theanine 200 mg
Magnesium Glycinate 200 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Coconut Oil Safe

Helps dissolve and absorb fat-soluble vitamins.

Mct oil (from coconut oil) Unknown
Softgel (Gelatin, Glycerin, Purified Water) Generally_safe

It encapsulates the supplement ingredients for easy swallowing and delivery.

Brand Trust Report
Micro Ingredients

Founded 2015 · Montclair, CA; Diamond Bar, CA; Miami, FL · 100 products · microingredients.com

Certifications

2 certifications
Labdoor Verified Source
USDA Organic Verified

Transparency

4 claims
Third Party Testing Claim — Claimed Source
Coa Availability — Claimed Source
Contains Proprietary Blend — True

Violation History

3 incidents
Lawsuit Other Fraud2025
Prop 65 Lead2022-05-26Source
Prop 65 Lead2020-11-02Source
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Frequently Asked Questions
Is Micro Ingredients L-Theanine + Magnesium Glycinate a good supplement?

Micro Ingredients L-Theanine + Magnesium Glycinate received a product quality score of 91/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 3 active ingredients with 200 servings per container. Of the 3 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Micro Ingredients, holds a brand trust score of 86/100 with 2 verified certifications including Labdoor, USDA Organic.

What are the ingredients in Micro Ingredients L-Theanine + Magnesium Glycinate?

Micro Ingredients L-Theanine + Magnesium Glycinate contains 3 active ingredients: Magnesium (as magnesium glycinate) (26 mg), L-Theanine (200 mg), Magnesium Glycinate (200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Micro Ingredients L-Theanine + Magnesium Glycinate safe to take?

Micro Ingredients L-Theanine + Magnesium Glycinate 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 Micro Ingredients a trustworthy supplement brand?

Micro Ingredients receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2015 and headquartered in Montclair, CA; Diamond Bar, CA; Miami, FL, the company offers 100 products in their lineup. They hold 2 verified certifications including Labdoor, USDA Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Micro Ingredients has 3 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 — 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.