NaturesPlus Cal/Mag Zinc supplement bottle
NaturesPlus

Cal/Mag Zinc

What We Researched
3 active ingredients analyzed · 12 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
91
Product Score Excellent
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium (as Calcium Amino Acid Chelate) 1000 mg 77%
Magnesium (as Magnesium Amino Acid Chelate) 500 mg 119%
Zinc (as Zinc Amino Acid Chelate) 75 mg 682%
Bioavailability Very Good

Absorption Rating

  • Calcium (as Calcium Amino Acid Chelate) Good
  • Magnesium (as Magnesium Amino Acid Chelate) Good
  • Zinc (as Zinc Amino Acid Chelate) Fair
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Microcrystalline Cellulose
  • Magnesium Oxide
  • Cellulose
  • Calcium Carbonate
  • Stearic Acid
  • isolated Soy Protein
  • Zinc Sulfate
  • Carob
  • Silica
  • Magnesium Stearate
  • Pharmaceutical Glaze
Efficacy Very Good

Dosage Analysis

  • Calcium (as Calcium Amino Acid Chelate) 1000 mg Effective
  • Magnesium (as Magnesium Amino Acid Chelate) 500 mg High
  • Zinc (as Zinc Amino Acid Chelate) 75 mg High

Supplement Facts

Ingredient Amount % Daily Value
Calcium (as Calcium Amino Acid Chelate) 1000 mg 77%
Magnesium (as Magnesium Amino Acid Chelate) 500 mg 119%
Zinc (as Zinc Amino Acid Chelate) 75 mg 682%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Microcrystalline Cellulose Safe

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

Magnesium Oxide Generally_safe

It is used to provide magnesium, an essential mineral.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

isolated Soy Protein Unknown
Zinc Sulfate Generally_safe

It is used to supplement zinc intake.

Carob Safe

It is used as a natural colorant or flavoring agent.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

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
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
Related Supplements
Frequently Asked Questions
Is NaturesPlus Cal/Mag Zinc a good supplement?

NaturesPlus Cal/Mag Zinc received a product quality score of 91/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 3 active ingredients with 23 servings per container. Of the 12 inactive ingredients, 8 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 Cal/Mag Zinc?

NaturesPlus Cal/Mag Zinc contains 3 active ingredients: Calcium (as Calcium Amino Acid Chelate) (1000 mg), Magnesium (as Magnesium Amino Acid Chelate) (500 mg), Zinc (as Zinc Amino Acid Chelate) (75 mg). Notable high-dose ingredients include Zinc at 682% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Cal/Mag Zinc safe to take?

NaturesPlus Cal/Mag Zinc 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.