NaturesPlus Icelandic Kelp, 300 Tablets (150 mg per Tablet) supplement bottle
NaturesPlus

Icelandic Kelp, 300 Tablets (150 mg per Tablet)

What We Researched
2 active ingredients analyzed · 6 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
93
Product Score Excellent
59
Brand Score Poor

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

  • Microcrystalline Cellulose
  • Di-Calcium Phosphate
  • Stearic Acid
  • Silica
  • Magnesium Stearate
  • Vegetable cellulose and alfalfa
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.

Microcrystalline Cellulose Safe

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

Di-Calcium Phosphate Generally_safe

It is used as a filler or source of calcium and phosphorus.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Vegetable cellulose and alfalfa Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$13$12$11$10$9 Mar 12 $11.43
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NaturesPlus

Founded 1972 · Melville, New York, United States · 420 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, 300 Tablets (150 mg per Tablet) a good supplement?

NaturesPlus Icelandic Kelp, 300 Tablets (150 mg per Tablet) 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 6 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 59/100.

What are the ingredients in NaturesPlus Icelandic Kelp, 300 Tablets (150 mg per Tablet)?

NaturesPlus Icelandic Kelp, 300 Tablets (150 mg per Tablet) 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, 300 Tablets (150 mg per Tablet) safe to take?

NaturesPlus Icelandic Kelp, 300 Tablets (150 mg per Tablet) 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 59/100 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 420 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. 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.