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Iodine+

Codeage
4.7
★ ★ ★ ★ ★
(1239 ratings)
Iodine 250 mcg
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Score81
A moderate, clearly stated liquid dose is useful, though the vague nascent form limits confidence.
How scoring works
Quantity:2 Fluid Ounce(s) • (1200 servings)
Goals:
Metabolism Boost
Energy

Score 81

A moderate, clearly stated liquid dose is useful, though the vague nascent form limits confidence.
How scoring works
$26.99($0.02 per serving)
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Analysis

A 250 mcg iodine serving offers a moderate step above basic maintenance without approaching the extreme amounts found in some liquid products. The drop format may be convenient for people who dislike pills.

Nascent iodine does not provide a standard chemical description that allows confident comparison of stability or absorption. Even a moderate supplemental amount can be unnecessary when diet already supplies adequate iodine.

Adults seeking a flexible liquid and able to monitor total intake are the best fit. A named mineral form may be preferable for users who value predictable chemistry.

Who is it for
  • Adults seeking liquid iodine
  • People with low dietary iodine intake
  • Users wanting a moderate focused dose
Best for
  • Liquid iodine maintenance
  • Pill-free supplementation
  • Clearly quantified drop use

Pros

  • Provides a moderate iodine amount
  • Clearly states elemental yield
  • Liquid format is easy to take

Cons

  • Nascent form lacks standard chemical detail
  • Single-drop dosing may be hard to divide
  • No supporting nutrients are included

Warnings

  • People with autoimmune thyroid disease, nodules, or thyroid medication use should avoid unsupervised iodine changes.
  • Seaweed, kelp, or another iodine supplement can push total intake unnecessarily high when combined with this liquid.
  • Accurate drop measurement matters because repeated extra drops would quickly increase the intended 250 mcg serving.

Nutrient quality

80 Highest impact

Nascent iodine is clearly named, though the term does not prove better absorption than standard iodide. The iodine amount is above basic maintenance but remains well below the adult upper limit, while thyroid disease or thyroid medication makes unsupervised extra iodine a poor fit.

Ingredient transparency

80 Highest impact

The elemental amount and single-drop delivery are clear and easy to titrate. Serving totals are apparent, but full directions and inactive ingredients are not supplied.

Customer satisfaction

68 High impact

The supplied average rating is favorable. A large rating base gives the average good reliability, while complaint and firsthand experience details are unavailable.

Value for money

96 Highest impact

Formula quality supports the asking position well. The serving value is highly competitive within the category.

Report analysis

Goals

Metabolism Boost
Impact
High effect
C+ Goal FitB+ Strength of SupportD- CoverageA+ Formula Quality

Iodine at 250 mcg supports normal thyroid hormone production and may help metabolism when iodine intake is low. Extra iodine does not reliably increase metabolic rate when thyroid status is normal.

The liquid provides a clearly disclosed elemental amount, but the term nascent does not establish superior absorption. Excess iodine can disrupt thyroid function in susceptible people, so thyroid disease or thyroid medication makes unsupervised use a poor fit.

Study evidence
Iodine Mixed 17 studies
Energy
Impact
High effect
C- Goal FitA- Strength of SupportF CoverageA+ Formula Quality
Iodine · 250 mcg

Iodine supports thyroid hormone production and may help energy only when iodine intake is inadequate. It does not directly provide mitochondrial fuel or acute alertness for iodine-sufficient users.

The single-drop liquid clearly discloses a 250 mcg amount and a readily absorbed iodine form. The focused design is transparent but covers only one deficiency-related pathway.

Study evidence
Iodine Adverse 3 studies

Ingredients

IngredientAmount per serving
Iodine (Nascent Iodine)
250 mcg
Gluten Free Adults 18–50 Vegan Dairy Free Organic Vegetarian
Report overview
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Nascent iodine in a single drop provides a readily absorbed form at a suitable maintenance amount. Liquid delivery allows easy titration, and the active iodine yield is clearly stated. Very low serving cost strengthens its fit for routine iodine supplementation.

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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. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  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