NaturesPlus Activated Coral Calcium®, 90 Capsules supplement bottle
NaturesPlus

Activated Coral Calcium®, 90 Capsules

What We Researched
16 active ingredients analyzed · 5 inactive ingredients decoded · 3 retailers compared · Last updated: Mar 2026
82
Product Score Good
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as beta carotene) (2917 IU) 875 mcg RAE 97%
Vitamin C (as ascorbic acid) 70 mg 78%
Vitamin D (as cholecalciferol [vegan D3]) (816 IU) 20 mcg 100%
Vitamin E (as d-alpha tocopheryl succinate) (35 IU) 23 mg 153%
Calcium (from Coral Calcium and AquaMin® citrate, ascorbate, bisglycinate, aspartate, aminoate) 345 mg 27%
lodine (from potassium iodide) 150 mcg 100%
Magnesium (as citrate, and from AquaMin® and Coral Calcium) 183 mg 44%
Zinc (as bisglycinate) 16 mg 145%
Selenium (as aminoate, ascorbate) 30 mcg 55%
Copper (as bisglycinate) 2.4 mg 267%
Manganese (as bisglycinate) 1.44 mg 63%
Chromium (as amino acid chelate) 86 mcg 246%
Coral Calcium (from Okinawa, Japan) 1000 mg
AquaMin® (Irish red seaweed) (Lithothamnium calcareum) (source of calcium and magnesium) 305 mg
Bioperine® (from Piper nigrum fruit) (standardized to 95% [0.95 mg] piperine) 1 mg
Boron (as sodium borate) 1 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin A (as beta carotene) (2917 IU) Fair
  • Vitamin C (as ascorbic acid) Fair
  • Vitamin D (as cholecalciferol [vegan D3]) (816 IU) Good
  • Vitamin E (as d-alpha tocopheryl succinate) (35 IU) Good
  • Calcium (from Coral Calcium and AquaMin® citrate, ascorbate, bisglycinate, aspartate, aminoate) Good
  • lodine (from potassium iodide) Good
  • Magnesium (as citrate, and from AquaMin® and Coral Calcium) Good
  • Zinc (as bisglycinate) Fair
  • Selenium (as aminoate, ascorbate) Good
  • Copper (as bisglycinate) Fair
  • Manganese (as bisglycinate) Good
  • Chromium (as amino acid chelate) Good
  • Coral Calcium (from Okinawa, Japan) Good
  • AquaMin® (Irish red seaweed) (Lithothamnium calcareum) (source of calcium and magnesium) Good
  • Bioperine® (from Piper nigrum fruit) (standardized to 95% [0.95 mg] piperine) Good
  • Boron (as sodium borate) Fair
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
  • Microcrystalline Cellulose
  • Silica
  • Magnesium Stearate
  • Chicory root extract
Efficacy Fair

Dosage Analysis

  • Vitamin A (as beta carotene) (2917 IU) 875 mcg RAE Effective
  • Vitamin C (as ascorbic acid) 70 mg Under-dosed
  • Vitamin D (as cholecalciferol [vegan D3]) (816 IU) 20 mcg Effective
  • Vitamin E (as d-alpha tocopheryl succinate) (35 IU) 23 mg Effective
  • Calcium (from Coral Calcium and AquaMin® citrate, ascorbate, bisglycinate, aspartate, aminoate) 345 mg Under-dosed
  • lodine (from potassium iodide) 150 mcg Under-dosed
  • Magnesium (as citrate, and from AquaMin® and Coral Calcium) 183 mg Under-dosed
  • Zinc (as bisglycinate) 16 mg Effective
  • Selenium (as aminoate, ascorbate) 30 mcg Under-dosed
  • Copper (as bisglycinate) 2.4 mg High
  • Manganese (as bisglycinate) 1.44 mg Under-dosed
  • Chromium (as amino acid chelate) 86 mcg Effective
  • Coral Calcium (from Okinawa, Japan) 1000 mg Effective
  • Bioperine® (from Piper nigrum fruit) (standardized to 95% [0.95 mg] piperine) 1 mg Under-dosed
  • Boron (as sodium borate) 1 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as beta carotene) (2917 IU) 875 mcg RAE 97%
Vitamin C (as ascorbic acid) 70 mg 78%
Vitamin D (as cholecalciferol [vegan D3]) (816 IU) 20 mcg 100%
Vitamin E (as d-alpha tocopheryl succinate) (35 IU) 23 mg 153%
Calcium (from Coral Calcium and AquaMin® citrate, ascorbate, bisglycinate, aspartate, aminoate) 345 mg 27%
lodine (from potassium iodide) 150 mcg 100%
Magnesium (as citrate, and from AquaMin® and Coral Calcium) 183 mg 44%
Zinc (as bisglycinate) 16 mg 145%
Selenium (as aminoate, ascorbate) 30 mcg 55%
Copper (as bisglycinate) 2.4 mg 267%
Manganese (as bisglycinate) 1.44 mg 63%
Chromium (as amino acid chelate) 86 mcg 246%
Coral Calcium (from Okinawa, Japan) 1000 mg
AquaMin® (Irish red seaweed) (Lithothamnium calcareum) (source of calcium and magnesium) 305 mg
Bioperine® (from Piper nigrum fruit) (standardized to 95% [0.95 mg] piperine) 1 mg
Boron (as sodium borate) 1 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Microcrystalline Cellulose Safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Chicory root extract Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$39$36$34$31$29 Mar 12 $36.51$31.03
iHerb
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
NaturesPlus

Founded 1972 · Melville, New York, United States · 420 products · naturesplus.com

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed

Violation History

1 incident
Recall Keto Living Sugar Control Capsules2022-05-06Source
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Frequently Asked Questions
Is NaturesPlus Activated Coral Calcium®, 90 Capsules a good supplement?

NaturesPlus Activated Coral Calcium®, 90 Capsules received a product quality score of 82/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 16 active ingredients with 30 servings per container. Of the 5 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 59/100.

What are the ingredients in NaturesPlus Activated Coral Calcium®, 90 Capsules?

NaturesPlus Activated Coral Calcium®, 90 Capsules contains 16 active ingredients: Vitamin A (as beta carotene) (2917 IU) (875 mcg RAE), Vitamin C (as ascorbic acid) (70 mg), Vitamin D (as cholecalciferol [vegan D3]) (816 IU) (20 mcg), Vitamin E (as d-alpha tocopheryl succinate) (35 IU) (23 mg), Calcium (from Coral Calcium and AquaMin® citrate, ascorbate, bisglycinate, aspartate, aminoate) (345 mg), lodine (from potassium iodide) (150 mcg), and 10 more. Notable high-dose ingredients include Copper at 267% DV, Chromium at 246% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Activated Coral Calcium®, 90 Capsules safe to take?

NaturesPlus Activated Coral Calcium®, 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 NaturesPlus a trustworthy supplement brand?

NaturesPlus receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Melville, New York, United States, the company offers 420 products in their lineup. Note: NaturesPlus 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.