Nature's Plus Calcium 600 mg supplement bottle
Nature's Plus

Calcium 600 mg Review

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 7 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
99
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium Complex 600 mg
Bioavailability Excellent

Absorption Rating

  • Calcium Complex Good
Other Ingredients Excellent

Fillers & Additives

  • Magnesium Stearate
  • Calcium Carbonate
  • Vegetable Cellulose
  • Pharmaceutical Glaze
Efficacy Excellent

Dosage Analysis

  • Calcium Complex 600 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calcium Complex 600 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Pharmaceutical Glaze Generally_safe

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

Brand Trust Report
Nature's Plus

Founded 1972 · Melville, New York, United States · 340 products · naturesplus.com

Certifications

7 certifications
Clean Label Project Verified Source
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Health Canada Licensed Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
NSF Certified Verified

Transparency

4 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Contains Proprietary Blend — True

Violation History

11 incidents
Prop 65 Lead2025-02-19Source
Prop 65 Lead and lead compounds2024-04-05Source
Prop 65 Lead2024-02-16Source
Prop 65 Not specified2024-02-16Source
Lawsuit Misrepresentation of supplement dosage2024Source
Lawsuit Misrepresentation of supplement dosage on product labels.2024Source
Recall NaturesPlus Keto Living Sugar Control Capsules, 90 count2022-05-06Source
Recall NaturesPlus Keto Living Sugar Control Capsules2022-05-06Source
Lawsuit Breach of contract2016Source
Recall Digestive Enzyme, Nature Cleanse Botanicleanse Tabs, Betaine HCL and Ultra-Zyme2001-05-09Source
Fda Warning Letter FDA Warning LetterSource
Related Supplements
Frequently Asked Questions
Is Nature's Plus Calcium 600 mg a good supplement?

Nature's Plus Calcium 600 mg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 90 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Nature's Plus, holds a brand trust score of 99/100 with 7 verified certifications including Clean Label Project, Consumerlab, Fda Gmp Inspections, Health Canada Licensed.

What are the ingredients in Nature's Plus Calcium 600 mg?

Nature's Plus Calcium 600 mg contains 1 active ingredients: Calcium Complex (600 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Plus Calcium 600 mg safe to take?

Nature's Plus Calcium 600 mg 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 Nature's Plus a trustworthy supplement brand?

Nature's Plus receives a brand trust score of 99/100 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 340 products in their lineup. They hold 7 verified certifications including Clean Label Project, Consumerlab, Fda Gmp Inspections, Health Canada Licensed. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Plus has 11 historical regulatory incidents 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 150,000 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 150,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. 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.