Trace Mega-Mag, 400 mg, 4 fl oz (118 ml) supplement bottle
Trace

Mega-Mag, 400 mg, 4 fl oz (118 ml)

What We Researched
7 active ingredients analyzed · 1 inactive ingredient decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
73
Product Score Fair
85
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium 400 mg 95%
Chloride 1100 mg 48%
Potassium 5 mg <1%
ConcenTrace®Trace Minerals 4.96 g *
Sulfate 70 mg *
Boron 1.5 mg *
Bioavailability Very Good

Absorption Rating

  • Magnesium Good
  • Chloride Good
  • Potassium Good
  • ConcenTrace®Trace Minerals Fair
  • Sulfate Fair
  • Boron Fair
Other Ingredients Excellent

Fillers & Additives

  • concentrated Seawater
Efficacy Very Poor

Dosage Analysis

  • Magnesium 400 mg High
  • Chloride 1100 mg Under-dosed
  • Potassium 5 mg Under-dosed
  • Boron 1.5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium 400 mg 95%
Chloride 1100 mg 48%
Sodium 5 mg <1%
Potassium 5 mg <1%
ConcenTrace®Trace Minerals 4.96 g *
Sulfate 70 mg *
Boron 1.5 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$25$24$23$22$21 Mar 12 $22.99
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
Trace

Founded 1972 · Ogden, Utah, United States · 157 products · traceminerals.com

Certifications

4 certifications
Consumerlab Verified Source
Non Gmo Project Verified Source
Fda Gmp Inspections Verified Source
Npa Gmp Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Related Supplements
Frequently Asked Questions
Is Trace Mega-Mag, 400 mg a good supplement?

Trace Mega-Mag, 400 mg, 4 fl oz (118 ml) received a product quality score of 73/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 7 active ingredients with 30 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Trace, holds a brand trust score of 85/100 with 4 verified certifications including Consumerlab, Non Gmo Project, Fda Gmp Inspections, Npa Gmp.

What are the ingredients in Trace Mega-Mag, 400 mg?

Trace Mega-Mag, 400 mg contains 7 active ingredients: Magnesium (400 mg), Chloride (1100 mg), Sodium (5 mg), Potassium (5 mg), ConcenTrace®Trace Minerals (4.96 g), Sulfate (70 mg), and 1 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Trace Mega-Mag, 400 mg safe to take?

Trace Mega-Mag, 400 mg, 4 fl oz (118 ml) 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 Trace a trustworthy supplement brand?

Trace receives a brand trust score of 85/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Ogden, Utah, United States, the company offers 157 products in their lineup. They hold 4 verified certifications including Consumerlab, Non Gmo Project, Fda Gmp Inspections, Npa Gmp. 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.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.