Liquid Kelp

Liquid Kelp

Natural Factors4.8 (4,595 ratings)
Format:Liquid Quantity: 1 Liquid(s) · 1515 servings
Goals
$13.97 $0.00 per serving

Product analysis

85 out of 100

Liquid Kelp offers a low-cost liquid iodine option using a readily usable iodine form. The proportions of its listed iodine sources are not disclosed, making their individual contributions unclear.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality100

The iodine form is favorable for the body to use. The listed sources include potassium iodide, although their individual proportions are not given.

Ingredient Transparency80

The total iodine amount and listed sources are disclosed. Their individual shares are missing, so the contribution of each source cannot be checked.

Value For Money100

The full serving price is low for an iodine supplement. That makes it an inexpensive way to obtain the declared iodine amount.

Customer Satisfaction91

Feedback is favorable across thousands of ratings. The large number of opinions gives a broader picture of buyer satisfaction.

Product Focus37

The formula is narrowly focused on iodine. The available goal information does not establish a broader benefit from the liquid format or kelp source.

Format
Liquid
Container
1 Liquid(s)
Customer rating
4.8 · 4,595 ratings
Report analysis

Goals

Energy
Impact
Lower effect
A+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Iodine · 800 mcg
Study evidence
Iodine Adverse 3 studies

Ingredients

IngredientAmount per servingScore
Iodine (Kelp, Potassium Iodide)
800 mcg 83
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
B- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value
The serving supplies 800 mcg iodine, more than needed for basic maintenance. The cost per serving is low. The iodine comes from potassium iodide. A marine source is indicated, but organic status or clean-water origin is not established.
How this ingredient is rated

Active Ingredient Quality & Bioavailability73

The iodine comes from potassium iodide. A marine source is indicated, but organic status or clean-water origin is not established.
Iodine Form & Bioavailability
The iodine comes from potassium iodide.
Marine Source Purity & Sourcing
A marine source is indicated, but organic status or clean-water origin is not established.

Dose, Safety & Label Transparency85

The serving supplies 800 mcg iodine, more than needed for basic maintenance. The iodine amount and source are stated.
Dosage Efficacy for Daily Support
The serving supplies 800 mcg iodine, more than needed for basic maintenance.
Dosage Safety & Upper Limits
The 800 mcg serving is below the adult upper intake limit.
Elemental Iodine Transparency
The iodine amount and source are stated.

Value100

The cost per serving is low.
Price Per Effective Serving
The cost per serving is low.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Association of radioactive iodine treatment with survivorship symptoms and primary care utilisation in women of reproductive age with thyroid cancer: a retrospective cohort study.
    Devanarayan P; Hartman M; Partin M · Family medicine and community health · 2026
    Cohort study10,882 participantsEnergy forIodine
  2. Energy level and fatigue after surgery for thyroid cancer: A population-based study of patient-reported outcomes.
    Hughes DT; Reyes-Gastelum D; Kovatch KJ; Hamilton AS; Ward KC; Haymart MR · Surgery · 2020
    Cohort study2,584 participantsEnergy forIodine
  3. Health-Related Quality of Life in Differentiated Thyroid Cancer Survivors: A Cross-Sectional Study From Turkey.
    Gültekin A; Kahraman MY; Şengöz T; Şimşek FS · Head & neck · 2026
    Cross-sectional study202 participantsEnergy forIodine