Nature Made Calcium, 600 mg supplement bottle
Nature Made

Calcium, 600 mg Review

What We Researched
2 active ingredients analyzed · 8 inactive ingredients decoded · 5 brand certifications checked · Page generated: Sep 2026
80
Product Score Good
95
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
Vitamin D3 (as Cholecalciferol) (10 mcg) 400 IU 100%
Calcium (as Calcium Carbonate) 600 mg 60%
Bioavailability Very Good

Absorption Rating

  • Vitamin D3 (as Cholecalciferol) (10 mcg) Good
  • Calcium (as Calcium Carbonate) Fair
Other Ingredients Excellent

Fillers & Additives

  • Maltodextrin
  • Cellulose Gel
  • Croscarmellose Sodium
  • Hydroxypropyl Methylcellulose
  • Magnesium Stearate
  • Polyethylene Glycol Low
  • Corn Starch
  • Gelatin
Efficacy Fair

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) (10 mcg) 400 IU Under-dosed
  • Calcium (as Calcium Carbonate) 600 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as Cholecalciferol) (10 mcg) 400 IU 100%
Calcium (as Calcium Carbonate) 600 mg 60%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Cellulose Gel Generally_safe

It is used as a thickening agent to improve the texture of supplements.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Corn Starch Generally_safe

It is used as a filler, binder, or thickener.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Brand Trust Report
Nature Made

Founded 1971 · West Hills, California, USA · 701 products · naturemade.com

Certifications

5 certifications
Consumerlab Source available Primary evidence
Labdoor Source available Primary evidence
Usp Verified Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable

Violation History

2 incidents
Lawsuit Presence of toxic plastic chemicals in prenatal multivitamins.2025 Source available Primary source
Recall Specific lots of Nature Made Adult Gummies Multi, Multi + Omega-3, Multi for Her plus Omega-3s, and Super B Complex w/C & Folic Acid2016-06-15 Source available Primary source
Related Supplements
Frequently Asked Questions
Is Nature Made Calcium, 600 mg a good supplement?

Nature Made Calcium, 600 mg received a product quality score of 80/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients with 220 servings per container. Of the 8 inactive ingredients, 7 are rated safe and 1 ingredient is flagged for review. The manufacturer, Nature Made, holds a brand trust score of 95/100.

What are the ingredients in Nature Made Calcium, 600 mg?

Nature Made Calcium, 600 mg contains 2 active ingredients: Vitamin D3 (as Cholecalciferol) (10 mcg) (400 IU), Calcium (as Calcium Carbonate) (600 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature Made Calcium, 600 mg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Nature Made Calcium, 600 mg. Of 8 inactive ingredients, 7 are rated safe. 1 ingredient is flagged for review: Polyethylene Glycol. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature Made a trustworthy supplement brand?

Nature Made receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1971 and headquartered in West Hills, California, USA, the company offers 701 products in their lineup. Note: Nature Made has 2 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.

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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 — 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.