InterPlexus Fura-Mag™ High Absorption Magnesium, 90 Capsules supplement bottle
InterPlexus

Fura-Mag™ High Absorption Magnesium, 90 Capsules

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 3 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
81
Product Score Good
55
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B6 (as pyridoxine hydrochloride) 8 mg 400%
Magnesium (from 900 mg magnesium fumarate) 99 mg 24%
Bioavailability Very Good

Absorption Rating

  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Magnesium (from 900 mg magnesium fumarate) Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable capsule shell (hypromellose, water)
  • Microcrystalline Cellulose
  • Magnesium Stearate (Vegetable Source)
Efficacy Fair

Dosage Analysis

  • Vitamin B6 (as pyridoxine hydrochloride) 8 mg Effective
  • Magnesium (from 900 mg magnesium fumarate) 99 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B6 (as pyridoxine hydrochloride) 8 mg 400%
Magnesium (from 900 mg magnesium fumarate) 99 mg 24%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable capsule shell (hypromellose, water) Unknown
Microcrystalline Cellulose Safe

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

Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$23$22$21$20 Mar 12 $21.69
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
InterPlexus

Founded 1989 · Washington, United States · 8 products · interplexus.com/

Certifications

3 certifications
Fda Gmp Inspections Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
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Frequently Asked Questions
Is InterPlexus Fura-Mag™ High Absorption Magnesium, 90 Capsules a good supplement?

InterPlexus Fura-Mag™ High Absorption Magnesium, 90 Capsules received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients with 90 servings per container. Of the 3 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, InterPlexus, holds a brand trust score of 55/100 with 3 verified certifications including Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project.

What are the ingredients in InterPlexus Fura-Mag™ High Absorption Magnesium, 90 Capsules?

InterPlexus Fura-Mag™ High Absorption Magnesium, 90 Capsules contains 2 active ingredients: Vitamin B6 (as pyridoxine hydrochloride) (8 mg), Magnesium (from 900 mg magnesium fumarate) (99 mg). Notable high-dose ingredients include Vitamin B6 at 400% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is InterPlexus Fura-Mag™ High Absorption Magnesium, 90 Capsules safe to take?

InterPlexus Fura-Mag™ High Absorption Magnesium, 90 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 InterPlexus a trustworthy supplement brand?

InterPlexus receives a brand trust score of 55/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1989 and headquartered in Washington, United States, the company offers 8 products in their lineup. They hold 3 verified certifications including Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project. 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.