Nature's Life Mega Minerals, Iron Free, 100 Vegetarian Capsules supplement bottle
Nature's Life

Mega Minerals, Iron Free, 100 Vegetarian Capsules

What We Researched
17 active ingredients analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
81
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as Cholecalciferol) (D-3) (Supplying 200 IU of Vitamin D) 5 mcg 25%
Calcium (as Calcium Carbonate, Citrate, Malate) 1,000 mg 77%
lodine (as Kelp) 25 mcg 17%
Magnesium (as Magnesium Oxide, Citrate) 500 mg 119%
Zinc (as Zinc Citrate, Picolinate) 15 mg 136%
Selenium (as Selenomethionine) 100 mcg 182%
Copper (as Copper Citrate, Gluconate) 1 mg 111%
Manganese (as Manganese Citrate) 2 mg 87%
Chromium (as Chromium Polynicotinate, Picolinate) 200 mcg 571%
Molybdenum (as Sodium Molybdate) 30 mcg 67%
Potassium (as Potassium Citrate) 89 mg 3%
Boron (as Boron Citrate Complex) 100 mcg *
Vanadium (as Vanadyl Sulfate) 25 mcg *
Betaine HCl 50 mg *
Glutamic Acid HCl 50 mg *
Bioavailability Good

Absorption Rating

  • Vitamin D (as Cholecalciferol) (D-3) (Supplying 200 IU of Vitamin D) Good
  • Calcium (as Calcium Carbonate, Citrate, Malate) Fair
  • lodine (as Kelp) Fair
  • Magnesium (as Magnesium Oxide, Citrate) Poor
  • Zinc (as Zinc Citrate, Picolinate) Good
  • Selenium (as Selenomethionine) Good
  • Copper (as Copper Citrate, Gluconate) Good
  • Manganese (as Manganese Citrate) Good
  • Chromium (as Chromium Polynicotinate, Picolinate) Good
  • Molybdenum (as Sodium Molybdate) Good
  • Potassium (as Potassium Citrate) Good
  • Boron (as Boron Citrate Complex) Good
  • Vanadium (as Vanadyl Sulfate) Poor
  • Betaine HCl Fair
  • Glutamic Acid HCl Fair
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Vegetable Cellulose Capsule
  • Magnesium Stearate and Silica
Efficacy Fair

Dosage Analysis

  • Vitamin D (as Cholecalciferol) (D-3) (Supplying 200 IU of Vitamin D) 5 mcg Under-dosed
  • Calcium (as Calcium Carbonate, Citrate, Malate) 1,000 mg Effective
  • Magnesium (as Magnesium Oxide, Citrate) 500 mg High
  • Zinc (as Zinc Citrate, Picolinate) 15 mg Effective
  • Selenium (as Selenomethionine) 100 mcg Effective
  • Copper (as Copper Citrate, Gluconate) 1 mg Effective
  • Manganese (as Manganese Citrate) 2 mg Effective
  • Chromium (as Chromium Polynicotinate, Picolinate) 200 mcg Effective
  • Molybdenum (as Sodium Molybdate) 30 mcg Under-dosed
  • Potassium (as Potassium Citrate) 89 mg Under-dosed
  • Boron (as Boron Citrate Complex) 100 mcg Under-dosed
  • Betaine HCl 50 mg Under-dosed
  • Glutamic Acid HCl 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Total Carbohydrate <1 g <1%†
Dietary Fiber 1 g 4%†
Vitamin D (as Cholecalciferol) (D-3) (Supplying 200 IU of Vitamin D) 5 mcg 25%
Calcium (as Calcium Carbonate, Citrate, Malate) 1,000 mg 77%
lodine (as Kelp) 25 mcg 17%
Magnesium (as Magnesium Oxide, Citrate) 500 mg 119%
Zinc (as Zinc Citrate, Picolinate) 15 mg 136%
Selenium (as Selenomethionine) 100 mcg 182%
Copper (as Copper Citrate, Gluconate) 1 mg 111%
Manganese (as Manganese Citrate) 2 mg 87%
Chromium (as Chromium Polynicotinate, Picolinate) 200 mcg 571%
Molybdenum (as Sodium Molybdate) 30 mcg 67%
Potassium (as Potassium Citrate) 89 mg 3%
Boron (as Boron Citrate Complex) 100 mcg *
Vanadium (as Vanadyl Sulfate) 25 mcg *
Betaine HCl 50 mg *
Glutamic Acid HCl 50 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Vegetable Cellulose Capsule Safe

Vegetarian/vegan capsule shell.

Magnesium Stearate and Silica Generally_safe

It is used to improve powder flow and prevent sticking during manufacturing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$14$13$12$11$10 Mar 12 $12.19$12.19
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
Nature's Life

Founded 1975 · Ogden, Utah, USA · 129 products · natureslife.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 Nature's Life Mega Minerals, Iron Free a good supplement?

Nature's Life Mega Minerals, Iron Free, 100 Vegetarian Capsules received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 17 active ingredients with 25 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Nature's Life, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Nature's Life Mega Minerals, Iron Free?

Nature's Life Mega Minerals, Iron Free contains 17 active ingredients: Total Carbohydrate (<1 g), Dietary Fiber (1 g), Vitamin D (as Cholecalciferol) (D-3) (Supplying 200 IU of Vitamin D) (5 mcg), Calcium (as Calcium Carbonate, Citrate, Malate) (1,000 mg), lodine (as Kelp) (25 mcg), Magnesium (as Magnesium Oxide, Citrate) (500 mg), and 11 more. Notable high-dose ingredients include Chromium at 571% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Life Mega Minerals, Iron Free safe to take?

Nature's Life Mega Minerals, Iron Free, 100 Vegetarian 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 Nature's Life a trustworthy supplement brand?

Nature's Life receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1975 and headquartered in Ogden, Utah, USA, the company offers 129 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.