Mason Natural Optimum Absorption Magnesium Glycinate with BioPerine®, 60 Capsules supplement bottle
Mason Natural

Optimum Absorption Magnesium Glycinate with BioPerine®, 60 Capsules

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
87
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (as magnesium glycinate) 240 mg 57%
BioPerine®Black Pepper fruit extract (standardized to 95% piperine)(piper nigrum) 2 mg * *
Bioavailability Excellent

Absorption Rating

  • Magnesium (as magnesium glycinate) Good
  • BioPerine®Black Pepper fruit extract (standardized to 95% piperine)(piper nigrum) Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Vegetable Stearates
  • Dicalcium Phosphate
  • Silicon Dioxide
Efficacy Fair

Dosage Analysis

  • Magnesium (as magnesium glycinate) 240 mg Effective
  • BioPerine®Black Pepper fruit extract (standardized to 95% piperine)(piper nigrum) 2 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (as magnesium glycinate) 240 mg 57%
BioPerine®Black Pepper fruit extract (standardized to 95% piperine)(piper nigrum) 2 mg * *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Vegetable Stearates Generally_safe

They are used to prevent ingredients from sticking to manufacturing equipment.

Dicalcium Phosphate Safe

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

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$13$12$11$10$9 Mar 12 $10.99$10.99
iHerb
Vitacost

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

Brand Trust Report
Mason Natural

Founded 1967 · Miami Lakes, Florida, USA · 161 products · masonvitamins.com

Certifications

2 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

4 incidents
Recall Herbal Colon Cleanser Capsules2025-09-02Source
Recall Healthy Sense Daily Multiple with Iron and People's Choice Women's Daily Vitamins with Iron2022-11-17Source
Prop 65 Lead2017-03-10Source
Prop 65 Lead2016-03-28Source
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Frequently Asked Questions
Is Mason Natural Optimum Absorption Magnesium Glycinate with BioPerine®, 60 Capsules a good supplement?

Mason Natural Optimum Absorption Magnesium Glycinate with BioPerine®, 60 Capsules received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients with 30 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Mason Natural, holds a brand trust score of 66/100 with 2 verified certifications including Consumerlab, Fda Gmp Inspections.

What are the ingredients in Mason Natural Optimum Absorption Magnesium Glycinate with BioPerine®, 60 Capsules?

Mason Natural Optimum Absorption Magnesium Glycinate with BioPerine®, 60 Capsules contains 2 active ingredients: Magnesium (as magnesium glycinate) (240 mg), BioPerine®Black Pepper fruit extract (standardized to 95% piperine)(piper nigrum) (2 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Mason Natural Optimum Absorption Magnesium Glycinate with BioPerine®, 60 Capsules safe to take?

Mason Natural Optimum Absorption Magnesium Glycinate with BioPerine®, 60 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 Mason Natural a trustworthy supplement brand?

Mason Natural receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1967 and headquartered in Miami Lakes, Florida, USA, the company offers 161 products in their lineup. They hold 2 verified certifications including Consumerlab, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Mason Natural has 4 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 250,000 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 250,000 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. 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.