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Nutricost Kelp, 325 mcg supplement bottle
Nutricost

Kelp, 325 mcg Review

What We Researched
2 active ingredients analyzed · 8 inactive ingredients decoded · 6 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
100
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
Iodine (from kelp) 325 mcg 220%
Bioavailability Excellent

Absorption Rating

  • Iodine (from kelp) Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Povidone
  • Microcrystalline Cellulose
  • Vegetable Magnesium Stearate
  • Magnesium Stearate
  • Silica
  • Coating
  • Silicon Dioxide
Efficacy Very Good

Dosage Analysis

  • Iodine (from kelp) 325 mcg High

Supplement Facts

Ingredient Amount % Daily Value
Calories 5
Iodine (from kelp) 325 mcg 220%

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.

Povidone Generally_safe

It is used to hold ingredients together.

Microcrystalline Cellulose Safe

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

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Coating Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Nutricost

Founded 2012 · Vineyard, Utah, USA · 1257 products · nutricost.com

Certifications

6 certifications
Consumerlab Source available Primary evidence
Labdoor Source available Primary evidence
Nsf Gmp Source available Primary evidence
Usda Organic Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

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

Violation History

4 incidents
Fda Warning Unregistered food product2024-08-23 Source available Primary source
Prop 65 Lead2023-12-19 Source available Primary source
Lawsuit Misleading advertising regarding the magnesium content in its magnesium glycinate supplement.2023 Source available Primary source
Lawsuit Mislabeled calorie content and undisclosed artificial flavoring in supplement powders.2022 Source available Primary source
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Frequently Asked Questions
Is Nutricost Kelp, 325 mcg a good supplement?

Nutricost Kelp, 325 mcg received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 240 servings per container. Of the 8 inactive ingredients, 7 are rated safe and 0 ingredients are flagged for review. The manufacturer, Nutricost, holds a brand trust score of 100/100.

What are the ingredients in Nutricost Kelp, 325 mcg?

Nutricost Kelp, 325 mcg contains 2 active ingredients: Calories (5), Iodine (from kelp) (325 mcg). Notable high-dose ingredients include Iodine at 220% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nutricost Kelp, 325 mcg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Nutricost Kelp, 325 mcg. 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 Nutricost a trustworthy supplement brand?

Nutricost receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Vineyard, Utah, USA, the company offers 1257 products in their lineup. Note: Nutricost has 4 historical regulatory incidents on record, which are factored into the trust score.

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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.