Source Naturals Coral Calcium/Magnesium 2:1 Ratio supplement bottle
Source Naturals

Coral Calcium/Magnesium 2:1 Ratio

What We Researched
7 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
88
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1 g 1%
Vitamin D3 (as Cholecalciferol) 400 IU 100%
Calcium (as Coral Calcium) 1200 mg 120%
Magnesium (as Coral, Magnesium Chelate, Magnesium Citrate, Magnesium Oxide) 600 mg 150%
Coral Calcium 3.4 g
Bioavailability Excellent

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin D3 (as Cholecalciferol) Good
  • Calcium (as Coral Calcium) Good
  • Magnesium (as Coral, Magnesium Chelate, Magnesium Citrate, Magnesium Oxide) Good
  • Coral Calcium Good
Other Ingredients Excellent

Fillers & Additives

  • Acacia Gum
  • Stearic Acid
  • Silicified Microcrystalline Cellulose
  • Modified Cellulose Gum
Efficacy Good

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) 400 IU Under-dosed
  • Calcium (as Coral Calcium) 1200 mg Effective
  • Magnesium (as Coral, Magnesium Chelate, Magnesium Citrate, Magnesium Oxide) 600 mg High
  • Coral Calcium 3.4 g High

Supplement Facts

Ingredient Amount % Daily Value
Calories 5 kcal
Total Carbohydrates 1 g 1%
Vitamin D3 (as Cholecalciferol) 400 IU 100%
Calcium (as Coral Calcium) 1200 mg 120%
Magnesium (as Coral, Magnesium Chelate, Magnesium Citrate, Magnesium Oxide) 600 mg 150%
Sodium 10 mg 1%
Coral Calcium 3.4 g

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Acacia Gum Safe

Binds tablet ingredients together. Also a source of soluble fiber.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silicified Microcrystalline Cellulose Generally_safe

It is used as a filler and flow agent in supplements.

Modified Cellulose Gum Generally_safe

It is used to improve the texture and stability of products.

Price Comparison

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 Coral Calcium/Magnesium 2:1 Ratio a good supplement?

Source Naturals Coral Calcium/Magnesium 2:1 Ratio received a product quality score of 88/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 7 active ingredients with 15 servings per container. Of the 4 inactive ingredients, 2 are rated safe and 0 are flagged for review. 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 Coral Calcium/Magnesium 2:1 Ratio?

Source Naturals Coral Calcium/Magnesium 2:1 Ratio contains 7 active ingredients: Calories (5 kcal), Total Carbohydrates (1 g), Vitamin D3 (as Cholecalciferol) (400 IU), Calcium (as Coral Calcium) (1200 mg), Magnesium (as Coral, Magnesium Chelate, Magnesium Citrate, Magnesium Oxide) (600 mg), Sodium (10 mg), and 1 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Coral Calcium/Magnesium 2:1 Ratio safe to take?

Source Naturals Coral Calcium/Magnesium 2:1 Ratio 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 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.