Micro Ingredients Magnesium Glycinate 420 mg supplement bottle
Micro Ingredients

Magnesium Glycinate 420 mg Review

What We Researched
2 active ingredients analyzed · 6 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
93
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 420 mg
Magnesium glycinate 420 mg
Bioavailability Excellent

Absorption Rating

  • Magnesium Good
  • Magnesium glycinate Good
Other Ingredients Excellent

Fillers & Additives

  • Allulose
  • Malic Acid
  • Lemon Flavor
  • Natural Flavors
  • Citric Acid
  • Stevia Leaf Extract
Efficacy Very Good

Dosage Analysis

  • Magnesium 420 mg High
  • Magnesium glycinate 420 mg High

Supplement Facts

Ingredient Amount % Daily Value
Magnesium 420 mg
Magnesium glycinate 420 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Allulose Generally_safe

It is used as a low-calorie sweetener.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Lemon Flavor Generally_safe

It is used to improve the taste of supplements.

Natural Flavors Safe

Improves taste of chewable, gummy, or liquid supplements.

Citric Acid Safe

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

Stevia Leaf Extract Safe

Provides sweetness without calories or blood sugar impact.

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
Related Supplements
Frequently Asked Questions
Is Micro Ingredients Magnesium Glycinate 420 mg a good supplement?

Micro Ingredients Magnesium Glycinate 420 mg 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 2 active ingredients with 56 servings per container. Of the 6 inactive ingredients, 4 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 Magnesium Glycinate 420 mg?

Micro Ingredients Magnesium Glycinate 420 mg contains 2 active ingredients: Magnesium (420 mg), Magnesium glycinate (420 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Micro Ingredients Magnesium Glycinate 420 mg safe to take?

Micro Ingredients Magnesium Glycinate 420 mg 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.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 150,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 150,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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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.