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Kelp

product on market Tablet or Pill Swanson Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Atlantic kelp provides iodine, which is essential for supporting thyroid hormone production and metabolic regulation. Research evidence for iodine supplementation is strong for addressing deficiencies, though evidence for general health benefits in iodine-sufficient individuals is limited. This profile maintains a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Kelp
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
250
Servings
Botanical with Nutrients
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

225 mcg (150% DV)
1.5× RDA — within safe limits 245 studies (A:4, B:133)
Atlantic Kelp
56 mg

Other Ingredients

Dicalcium Phosphate Calcium Carbonate Microcrystalline Cellulose Stearic Acid Silica Magnesium Stearate Acacia Maltodextrin
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take one tablet per day with water.

Warnings & Precautions

Do not exceed recommended dose.

Warning: For adults only. Keep out of reach of children.

Consult your healthcare provider before using this or any product if you are pregnant or nursing, taking medication or have a medical condition.

Do not use if seal is broken.

May contain crustacean shellfish (lobster, crab and shrimp).

Formulation Notes

Great source of iodine

Supports healthy thyroid function May support a healthy body weight

Thyroid support

Iodine source

Additional Information

Science-Backed Quality Since 1969

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU0 87614 11745 4
DSLD Entry Date2025-08-22
Product TypeBotanical with Nutrients
FormTablet or Pill
BrandSwanson
DSLD ID337894
Data Updated2026-04-11
Research

Research Evidence

292
Research Sources
57
Avg Quality
160
Meta Analysis
70
Systematic Review
36
Rct
8
Cochrane Review
8
Clinical Trial
3
Regulatory Source
2
Narrative Review
2
Other
1
Guideline
1
Openfda Safety
A Umbilical cord antiseptics for preventing sepsis and death among newborns
Meta Analysis The Cochrane database of systematic reviews 2026 PubMed DOI
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Interventions for cutaneous molluscum contagiosum
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Chlorhexidine vs Povidone-Iodine and Incidence of Catheter-Related Infections: A Systematic Review and Meta-Analysis
Meta Analysis JAMA network open 2026 PubMed DOI
B Radioiodine Remnant Ablation for Differentiated Thyroid Cancer: A Systematic Review and Meta-analysis
Meta Analysis JAMA otolaryngology-- head & neck surgery 2021 PubMed DOI
B Risk of primary breast cancer in patients with differentiated thyroid cancer undergoing radioactive iodine therapy: a systematic review and meta-analysis
Meta Analysis European journal of nuclear medicine and molecular imaging 2022 PubMed DOI
B Alcoholic chlorhexidine skin preparation or triclosan-coated sutures to reduce surgical site infection: a systematic review and meta-analysis of high-quality randomised controlled trials
Meta Analysis The Lancet. Infectious diseases 2022 PubMed DOI
B Oral hygiene care for critically ill patients to prevent ventilator-associated pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
B Interventions for ingrowing toenails
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
B Interventions for the management of malignant pleural effusions: a network meta-analysis
Systematic Review The Cochrane database of systematic reviews 2016 PubMed DOI
View all evidence for Iodine →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.