Nature's Blend Kelp (Iodine) 150 mcg supplement bottle
Nature's Blend

Kelp (Iodine) 150 mcg Review

What We Researched
1 active ingredient analyzed · 6 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
82
Brand Score Good

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
Iodine (as Kelp) 150 mcg 100%
Bioavailability Excellent

Absorption Rating

  • Iodine (as Kelp) Good
Other Ingredients Excellent

Fillers & Additives

  • Calcium Phosphate
  • Modified Cellulose
  • Magnesium Stearate
  • Croscarmellose Sodium
  • Stearic Acid
  • Silicon Dioxide
Efficacy Excellent

Dosage Analysis

  • Iodine (as Kelp) 150 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Iodine (as Kelp) 150 mcg 100%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Phosphate Generally_safe

It is used as a filler and anticaking agent in supplements.

Modified Cellulose Safe

Creates vegetarian capsule shells with controlled dissolution.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Nature's Blend

Founded 1974 · Casa Grande, Arizona, USA · 187 products · naturesblendshop.com/

Certifications

2 certifications
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Claimed Source
Coa Availability — Verified Source
In House Testing — Verified Source

Violation History

1 incident
Prop 65 Lead2019-02-08Source
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Frequently Asked Questions
Is Nature's Blend Kelp (Iodine) 150 mcg a good supplement?

Nature's Blend Kelp (Iodine) 150 mcg 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 200 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Nature's Blend, holds a brand trust score of 82/100 with 2 verified certifications including Npa Gmp, Fda Gmp Inspections.

What are the ingredients in Nature's Blend Kelp (Iodine) 150 mcg?

Nature's Blend Kelp (Iodine) 150 mcg contains 1 active ingredients: Iodine (as Kelp) (150 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Blend Kelp (Iodine) 150 mcg safe to take?

Nature's Blend Kelp (Iodine) 150 mcg 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 Blend a trustworthy supplement brand?

Nature's Blend receives a brand trust score of 82/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1974 and headquartered in Casa Grande, Arizona, USA, the company offers 187 products in their lineup. They hold 2 verified certifications including Npa Gmp, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Blend 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 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.