Source Naturals Magnesium Malate, 180 Tablets supplement bottle
Source Naturals

Magnesium Malate, 180 Tablets

What We Researched
6 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
89
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (as magnesium malate trihydrate) 425 mg 101%
Magnesium Malate Trihydrate 3.75 g
Malic Acid(as magnesium malate trihydrate and malic aid) 2.5 g
Bioavailability Very Good

Absorption Rating

  • Magnesium (as magnesium malate trihydrate) Good
  • Magnesium Malate Trihydrate Good
  • Malic Acid(as magnesium malate trihydrate and malic aid) Fair
Other Ingredients Excellent

Fillers & Additives

  • Stearic Acid
  • Microcrystalline Cellulose
  • Hydroxypropyl Cellulose
  • Magnesium Stearate
Efficacy Very Good

Dosage Analysis

  • Magnesium (as magnesium malate trihydrate) 425 mg High
  • Magnesium Malate Trihydrate 3.75 g High

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate 3 g 1%*
Magnesium (as magnesium malate trihydrate) 425 mg 101%
Sodium 10 mg <1%
Magnesium Malate Trihydrate 3.75 g
Malic Acid(as magnesium malate trihydrate and malic aid) 2.5 g

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Hydroxypropyl Cellulose Safe

Binds tablet ingredients and can form tablet coatings.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$20$19$18$17$16 Mar 12 $18.19
iHerb

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

Brand Trust Report
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 837 products · sourcenaturals.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is Source Naturals Magnesium Malate, 180 Tablets a good supplement?

Source Naturals Magnesium Malate, 180 Tablets received a product quality score of 89/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 6 active ingredients with 60 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Source Naturals Magnesium Malate, 180 Tablets?

Source Naturals Magnesium Malate, 180 Tablets contains 6 active ingredients: Calories (10), Total Carbohydrate (3 g), Magnesium (as magnesium malate trihydrate) (425 mg), Sodium (10 mg), Magnesium Malate Trihydrate (3.75 g), Malic Acid(as magnesium malate trihydrate and malic aid) (2.5 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Magnesium Malate, 180 Tablets safe to take?

Source Naturals Magnesium Malate, 180 Tablets has been analyzed for ingredient safety across all its components. All 4 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 Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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.