Genestra Brands Genestra Brands - Mag Cal Formula 2 - Calcium Magnesium Supplement - 90 Tablets supplement bottle
Genestra Brands

Genestra Brands - Mag Cal Formula 2 - Calcium Magnesium Supplement - 90 Tablets

What We Researched
3 active ingredients analyzed · 9 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
68
Product Score Fair
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (cholecalciferol) 2.5 mcg
Calcium (calcium carbonate//citrate tetrahydrate) 200 mg
Magnesium (magnesium oxide/citrate) 400 mg
Bioavailability Fair

Absorption Rating

  • Vitamin D (cholecalciferol) Good
  • Calcium (calcium carbonate//citrate tetrahydrate) Fair
  • Magnesium (magnesium oxide/citrate) Poor
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Hyprolose
  • Croscarmellose Sodium
  • Ascorbyl Palmitate
  • Sunflower Lecithin
  • Carnauba Wax
  • Silica
  • Hypromellose
  • Glycerin
Efficacy Poor

Dosage Analysis

  • Vitamin D (cholecalciferol) 2.5 mcg Under-dosed
  • Calcium (calcium carbonate//citrate tetrahydrate) 200 mg Under-dosed
  • Magnesium (magnesium oxide/citrate) 400 mg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (cholecalciferol) 2.5 mcg
Calcium (calcium carbonate//citrate tetrahydrate) 200 mg
Magnesium (magnesium oxide/citrate) 400 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Hyprolose Unknown
Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$33$32$31$30$29 Mar 12 $31.00
Amazon_Ca

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

Brand Trust Report
Genestra Brands

Founded 1987 · Richmond Hill, Ontario, Canada · 393 products · genestrabrands.com/

Certifications

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

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Testing Lab Disclosure — Claimed Source

Violation History

1 incident
Recall AFA-Gen2018-07-27Source
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Frequently Asked Questions
Is Genestra Brands Genestra Brands - Mag Cal Formula 2 - Calcium Magnesium Supplement - 90 Tablets a good supplement?

Genestra Brands Genestra Brands - Mag Cal Formula 2 - Calcium Magnesium Supplement - 90 Tablets received a product quality score of 68/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients Of the 9 inactive ingredients, 8 are rated safe and 0 are flagged for review. The manufacturer, Genestra Brands, holds a brand trust score of 88/100 with 4 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Nsf Gmp.

What are the ingredients in Genestra Brands Genestra Brands - Mag Cal Formula 2 - Calcium Magnesium Supplement - 90 Tablets?

Genestra Brands Genestra Brands - Mag Cal Formula 2 - Calcium Magnesium Supplement - 90 Tablets contains 3 active ingredients: Vitamin D (cholecalciferol) (2.5 mcg), Calcium (calcium carbonate//citrate tetrahydrate) (200 mg), Magnesium (magnesium oxide/citrate) (400 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Genestra Brands Genestra Brands - Mag Cal Formula 2 - Calcium Magnesium Supplement - 90 Tablets safe to take?

Genestra Brands Genestra Brands - Mag Cal Formula 2 - Calcium Magnesium Supplement - 90 Tablets 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 Genestra Brands a trustworthy supplement brand?

Genestra Brands receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1987 and headquartered in Richmond Hill, Ontario, Canada, the company offers 393 products in their lineup. They hold 4 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Genestra Brands has 1 historical regulatory incident 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.