Bladderwrack Whole Thallus 580 mg

Bladderwrack Whole Thallus 580 mg

Nature's Way4.7 (6,089 ratings)
Format:Capsule Quantity: 100 Capsule(s) · 100 servings
Goals

About this product

The formula delivers 232 mcg from bladderwrack in a capsule. A practical iodine amount alongside 580 mg of whole bladderwrack.

Iodine supports thyroid-hormone production and may help energy or metabolic function when dietary intake is inadequate. It is not a stimulant, and extra iodine is unlikely to improve these goals when thyroid status is already adequate.

The main limitation is that the iodine form and seaweed quality controls are not identified. The product is most sensible for adults with low iodine intake who prefer whole bladderwrack, with total iodine intake considered before regular use.

Who is it for
  • adults with low iodine intake who prefer whole bladderwrack
  • people whose diet provides too little iodine
Best for
  • targeted iodine support
  • supporting normal thyroid-hormone production when iodine intake is low

Pros

  • Clearly states an iodine amount of 232 mcg
  • A practical iodine amount alongside 580 mg of whole bladderwrack
  • Capsule keeps use straightforward

Cons

  • The iodine form and seaweed quality controls are not identified
  • Benefits are conditional on inadequate iodine intake
  • Whole-seaweed iodine can be less consistent than purified iodide

Warnings

  • Seaweed iodine can vary, so avoid adding another iodine supplement without reviewing total intake.
  • Unstated contaminant controls matter for long-term use of a marine-sourced ingredient.
  • People with autoimmune thyroid disease, thyroid nodules, or thyroid-medicine use should obtain condition-specific guidance.

Product analysis

83 out of 100
A focused iodine option with a practical iodine amount alongside 580 mg of whole bladderwrack. Its value is mainly for inadequate intake, while the iodine form and seaweed quality controls are not identified.

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

Nutrient quality84

The iodine amount is useful for routine support. Unstandardized bladderwrack and absent marine-purity evidence limit form confidence.

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Ingredient transparency83

Iodine and bladderwrack weights are clearly listed. Iodine form, marine purity evidence, inactive ingredients, and complete directions remain missing.

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Customer satisfaction72

The supplied average rating is strong and backed by a very large review pool. No review text is available to assess recurring complaints or firsthand tolerance and ease of use.

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Value for money94

The suitable dose and useful source justify the low relative cost. The appropriate dose and low serving cost support strong practical value.

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Format
Capsule
Container
100 Capsule(s)
Per serving
$0.08
Customer rating
4.7 · 6,089 ratings
Report analysis

Goals

Energy
Impact
Lower effect
B+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Iodine · 232 mcg
Study evidence
Iodine Adverse 3 studies
Metabolism Boost
Impact
Moderate effect
B+ Ingredient FitF PathwaysD+ EvidenceA+ Formulation Logic
Study evidence
Iodine Mixed 17 studies

Ingredients

IngredientAmount per servingScore
Iodine
232 mcg 74
Bladderwrack
580 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
Iodine · 232 mcg OverallScore74
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
Bladderwrack Whole Thallus 580 mg supplies a clearly stated 232 mcg of iodine, within the preferred daily range and below the stated upper intake limit. Its marine origin is identified, but the chemical form is unknown. Organic status or geographic sourcing details aren't established in the available information. The cost per serving is low.
How this ingredient is rated

Active Ingredient Quality & Bioavailability34

The iodine's marine origin is known, but its chemical form remains unclear. Organic status or geographic sourcing details aren't established in the available information.
Iodine Form & Bioavailability
The chemical form isn't identified; knowing the marine origin doesn't resolve which iodine compound it contains.
Marine Source Purity & Sourcing
The marine source lacks established organic status or geographic sourcing details in the available information, leaving its sourcing less clear.

Dose, Safety & Label Transparency100

The clearly stated 232 mcg iodine serving fits the preferred 150–300 mcg daily range and is below the stated upper intake limit.
Dosage Efficacy for Daily Support
The 232 mcg iodine serving falls within the preferred 150–300 mcg daily range.
Dosage Safety & Upper Limits
The 232 mcg serving is below the stated 1,100 mcg upper intake limit.
Elemental Iodine Transparency
The iodine amount is clearly stated, rather than just the weight of its source.

Value100

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

Sources

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

  1. U-Shaped Associations Between Urinary Iodine Concentration and the Prevalence of Metabolic Disorders: A Cross-Sectional Study.
    Jin M; Zhang Z; Li Y; Teng D; Shi X; Ba J; Chen B; Du J; He L; Lai X; Teng X; Li Y; Chi H; Liao E; Liu C; Liu L; Qin G; Qin Y; Quan H; Shi B; Sun H; Tang X; Tong N; Wang G; Zhang JA; Wang Y; Xue Y; Yan L; Yang J; Yang L; Yao Y; Ye Z; Zhang Q; Zhang L; Zhu J; Zhu M; Ning G; Mu Y; Zhao J; Teng W; Shan Z · Thyroid : official journal of the American Thyroid Association · 2021
    Cross-sectional study51,795 participantsMetabolism Boost 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. Iodine deficiency and real-life supplementation ineffectiveness in Polish pregnant women and its impact on thyroid metabolism.
    Filipowicz D; Szczepanek-Parulska E; Mikulska-Sauermann AA; Karaźniewicz-Łada M; Główka FK; Szymanowski K; Ołtarzewski M; Schomburg L; Ruchała M · Frontiers in endocrinology · 2023
    Cross-sectional study91 participantsMetabolism Boost forIodine
  4. 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
  5. Iodine Supplementation Decreases Hypercholesterolemia in Iodine-Deficient, Overweight Women: A Randomized Controlled Trial.
    Herter-Aeberli I; Cherkaoui M; El Ansari N; Rohner R; Stinca S; Chabaa L; von Eckardstein A; Aboussad A; Zimmermann MB · The Journal of nutrition · 2015
    Randomized trial163 participantsMetabolism Boost forIodine
  6. 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
  7. The relationship between excessive iodine during pregnancy and adverse pregnancy complications.
    Li S; Zha H; Cui Y; Sun L; Yu L; Yuan Q · Endocrine · 2025
    Cohort study595 participantsMetabolism Boost forIodine
  8. Effect of oral iodized oil on thyroid size and thyroid hormone metabolism in children with concurrent selenium and iodine deficiency.
    Zimmermann MB; Adou P; Torresani T; Zeder C; Hurrell RF · European journal of clinical nutrition · 2000
    Single-arm trial51 participantsMetabolism Boost forIodine
  9. Serum Iodine Concentration as a Biomarker for Individual Iodine Nutrition and Thyroid Function in Pregnant Women: A Cross-Sectional Study in Hubei Province.
    Xu M; Dai X; Wang Z; Guo C; Zhang B; Guo H · Public health nutrition · 2026
    Cross-sectional study1,197 participantsMetabolism Boost forIodine
  10. Urinary Iodine Concentration and Thyroid Hormone Metabolism in Pregnant Women and Neurodevelopment in Their Children: A Longitudinal Canadian Birth Cohort.
    Berghuis SA; Hall M; Krzeczkowski JE; Goodman CV; Chevrier J; Ayotte P; Lanphear B; Till C · Nutrients · 2025
    Cohort study1,501 participantsMetabolism Boost forIodine
  11. A study on the differences in urinary iodine and serum iodine in relation to children's iodine nutrition and lipids.
    Zhang Y; Xu L; Wang L; Gao H; Hao J; Dong L; Qiu L; Wang J; Yan S; Liu L · Lipids in health and disease · 2026
    Cross-sectional studyMetabolism Boost forIodine
  12. Serum Manganese, Cobalt, Copper, Zinc, Selenium, and Iodine Levels, and the Incidence of Type 2 Diabetes: A Nested Case-control Study.
    Ito A; Yamamoto S; Iwai-Shimada M; Kobayashi Y; Isobe T; Iwai K; Nakayama SF; Konishi M; Watanabe Y; Yamamoto S; Nakagawa T; Yamazaki S; Mizoue T · Biological trace element research · 2026
    Case-control study936 participantsMetabolism Boost forIodine
  13. Iron status influences the efficacy of iodine prophylaxis in goitrous children in Côte d'Ivoire.
    Zimmermann MB · International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition · 2002
    OtherMetabolism Boost forIodine
  14. Persistence of goiter despite oral iodine supplementation in goitrous children with iron deficiency anemia in Côte d'Ivoire.
    Zimmermann M; Adou P; Torresani T; Zeder C; Hurrell R · The American journal of clinical nutrition · 2000
    Non-randomized trial109 participantsMetabolism Boost forIodine