NaturesPlus Icelandic Kelp 150 mg Tablets supplement bottle
NaturesPlus

Icelandic Kelp 150 mg Tablets Review

What We Researched
2 active ingredients analyzed · 7 inactive ingredients decoded · Last updated: Aug 2026
93
Product Score Excellent
58
Brand Score Poor

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) 150 mcg 100%
Icelandic Kelp 150 mg
Bioavailability Very Good

Absorption Rating

  • Iodine (from kelp) Good
  • Icelandic Kelp Fair
Other Ingredients Excellent

Fillers & Additives

  • Magnesium Stearate
  • Alfalfa Leaf
  • Microcrystalline Cellulose
  • Calcium Phosphate
  • Vegetable Cellulose
  • Stearic Acid
  • Silica
Efficacy Excellent

Dosage Analysis

  • Iodine (from kelp) 150 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Iodine (from kelp) 150 mcg 100%
Icelandic Kelp 150 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Alfalfa Leaf Generally_safe

It is added for its potential nutritional benefits.

Microcrystalline Cellulose Safe

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

Calcium Phosphate Generally_safe

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

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
NaturesPlus

Founded 1972 · Melville, New York, United States · 534 products · naturesplus.com

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed

Violation History

1 incident
Recall Keto Living Sugar Control Capsules2022-05-06Source
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Frequently Asked Questions
Is NaturesPlus Icelandic Kelp 150 mg Tablets a good supplement?

NaturesPlus Icelandic Kelp 150 mg Tablets 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 Of the 7 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 58/100.

What are the ingredients in NaturesPlus Icelandic Kelp 150 mg Tablets?

NaturesPlus Icelandic Kelp 150 mg Tablets contains 2 active ingredients: Iodine (from kelp) (150 mcg), Icelandic Kelp (150 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Icelandic Kelp 150 mg Tablets safe to take?

NaturesPlus Icelandic Kelp 150 mg Tablets 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 NaturesPlus a trustworthy supplement brand?

NaturesPlus receives a brand trust score of 58/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Melville, New York, United States, the company offers 534 products in their lineup. Note: NaturesPlus has 1 historical regulatory incident 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.