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Windmill Kelp 100 mg supplement bottle
Windmill

Kelp 100 mg Review

What We Researched
· 6 inactive ingredients decoded · 2 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
83
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Brewer's Yeast
  • Microcrystalline Cellulose
  • Alfalfa
  • Stearic Acid
  • Magnesium Stearate
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

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.

Brewer's Yeast Generally_safe

It is added as a source of nutrients.

Microcrystalline Cellulose Safe

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

Alfalfa Unknown
Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Brand Trust Report
Windmill

Founded 1972 · West Caldwell, New Jersey, United States · 302 products · windmillvitamins.com/

Certifications

2 certifications
Fda Gmp Inspections Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

4 claims
Third Party Testing Claim — Verified Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable

Violation History

4 incidents
Prop 65 Lead2024-11-15 Source available Primary source
Prop 65 Lead and Cadmium2018-10-01 Source available Primary source
Lawsuit Deceptive packaging with excessive empty space (slack-fill) in their Super Greens product containers.2018 Source available Primary source
Fda Warning Violations of Current Good Manufacturing Practices (cGMP) and making drug claims for several of their supplement products.2014-10-07 Source available Primary source
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Frequently Asked Questions
Is Windmill Kelp 100 mg a good supplement?

Windmill Kelp 100 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. Of the 6 inactive ingredients, 5 are rated safe and 0 ingredients are flagged for review. The manufacturer, Windmill, holds a brand trust score of 83/100.

Is Windmill Kelp 100 mg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Windmill Kelp 100 mg. 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 Windmill a trustworthy supplement brand?

Windmill receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in West Caldwell, New Jersey, United States, the company offers 302 products in their lineup. Note: Windmill 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.