Sundance Vitamins High Absorption Magnesium Glycinate, 665 mg, 50 Quick Release Capsules supplement bottle
Sundance Vitamins

High Absorption Magnesium Glycinate, 665 mg, 50 Quick Release Capsules

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
75
Product Score Fair
70
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (from 665 mg of Magnesium Bisglycinate Chelate, Buffered -  Magnesium Bisglycinate Chelate, Magnesium Oxide) 120 mg 29%
Bioavailability Excellent

Absorption Rating

  • Magnesium (from 665 mg of Magnesium Bisglycinate Chelate, Buffered -  Magnesium Bisglycinate Chelate, Magnesium Oxide) Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin Capsule
  • Rice Powder
  • Vegetable Magnesium Stearate
  • Silica
Efficacy Very Poor

Dosage Analysis

  • Magnesium (from 665 mg of Magnesium Bisglycinate Chelate, Buffered -  Magnesium Bisglycinate Chelate, Magnesium Oxide) 120 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (from 665 mg of Magnesium Bisglycinate Chelate, Buffered -  Magnesium Bisglycinate Chelate, Magnesium Oxide) 120 mg 29%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Capsule Safe

It is used as a material for making capsules.

Rice Powder Safe

It is used as a filler or flow agent.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$11$10$9$8$7 Mar 12 $9.27
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
Sundance Vitamins

Founded 2014 · Ronkonkoma, NY, United States · 49 products · sundancevitamins.com

Certifications

2 certifications
Fda Gmp Inspections Verified Source
Usda Organic Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Sundance Vitamins High Absorption Magnesium Glycinate, 665 mg a good supplement?

Sundance Vitamins High Absorption Magnesium Glycinate, 665 mg, 50 Quick Release Capsules received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 50 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Sundance Vitamins, holds a brand trust score of 70/100 with 2 verified certifications including Fda Gmp Inspections, Usda Organic.

What are the ingredients in Sundance Vitamins High Absorption Magnesium Glycinate, 665 mg?

Sundance Vitamins High Absorption Magnesium Glycinate, 665 mg contains 1 active ingredients: Magnesium (from 665 mg of Magnesium Bisglycinate Chelate, Buffered -  Magnesium Bisglycinate Chelate, Magnesium Oxide) (120 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Sundance Vitamins High Absorption Magnesium Glycinate, 665 mg safe to take?

Sundance Vitamins High Absorption Magnesium Glycinate, 665 mg, 50 Quick Release Capsules 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 Sundance Vitamins a trustworthy supplement brand?

Sundance Vitamins receives a brand trust score of 70/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2014 and headquartered in Ronkonkoma, NY, United States, the company offers 49 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, Usda Organic. 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.