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Nutricost Kelp, 325 mg supplement bottle
Nutricost

Kelp, 325 mg Review

What We Researched
1 active ingredient analyzed · 3 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 organic kelp) 325 mcg 220%
Bioavailability Excellent

Absorption Rating

  • Iodine (from organic kelp) Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Cellulose) Capsule
  • Silicon Dioxide
  • Magnesium Stearate (Vegetable Source)
Efficacy Very Good

Dosage Analysis

  • Iodine (from organic kelp) 325 mcg High

Supplement Facts

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

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Cellulose) Capsule Safe

It is used as a material for making vegetarian capsules.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

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 mg a good supplement?

Nutricost Kelp, 325 mg 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 1 active ingredients with 120 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Nutricost, holds a brand trust score of 100/100.

What are the ingredients in Nutricost Kelp, 325 mg?

Nutricost Kelp, 325 mg contains 1 active ingredients: Iodine (from organic 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 mg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Nutricost Kelp, 325 mg. All 3 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. 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.