Thyroid Care Plus

Thyroid Care Plus

Terry Naturally4.6 (1,736 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 30 servings
Goals
$20.76 $0.69 per serving

Product analysis

61 out of 100

Thyroid Care Plus combines iodine and selenium for nutritional support when intake is low.

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

Nutrient Quality52

Selenium-enriched yeast is a favorable ingredient form. The iodine and tyrosine forms are unspecified, making those ingredients harder to judge.

Ingredient Transparency75

The ingredient amounts are stated, so you can check what each serving provides. Only the selenium form is identified, leaving iodine and tyrosine less clearly described.

Value For Money45

Value is mixed, with selenium and iodine more favorable than tyrosine. The high cost relative to the tyrosine amount weakens the appeal of buying the combination for that ingredient.

Customer Satisfaction82

Customer ratings are positive across a substantial number of buyers. The volume supports a broad satisfaction picture but does not establish thyroid suitability.

Product Focus65

The very high iodine serving raises a risk of thyroid problems. Selenium can support normal function when intake is low, but its high serving also does not establish extra benefit or suitability.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.69
Customer rating
4.6 · 1,736 ratings
Report analysis

Goals

Immunity
Impact
High effect
B- Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Selenium · 300 mcg
Study evidence
Selenium Mixed 37 studies
Energy
Impact
Lower effect
B- Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Iodine · 30000 mcg
Study evidence
Iodine Adverse 3 studies
Everyday Health
Impact
Highest effect
A- Ingredient FitC PathwaysB+ EvidenceA Formulation Logic
Selenium · 300 mcg
Study evidence
Selenium Supportive 70 studies

Ingredients

IngredientAmount per servingScore
Iodine
30000 mcg 50
Selenium (Yeast (Saccharomyces cerevisiae))
300 mcg 64
L-Tyrosine
400 mg 59
Gluten Free Adults 18–50 Kosher Dairy Free Sugar Free
Report overview
B+ Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyC Value
Each serving supplies 300 mcg of selenium and is moderately priced for the amount supplied. It uses Selenium-enriched Yeast, with a narrower margin below the adult upper limit.
How this ingredient is rated

Active Ingredient Quality & Bioavailability81

The selenium comes from Selenium-enriched Yeast.
Selenium Chemical Form
The selenium comes from Selenium-enriched Yeast.
Form Transparency & Isomer Specificity
The source is named as Selenium-enriched Yeast.

Dose, Safety & Label Transparency48

300 mcg per serving is a higher amount of selenium. The amount leaves a narrower margin below the adult upper limit, so selenium from other sources also matters.
Dosage Efficacy Sweet Spot
300 mcg per serving is a higher amount of selenium.
Safety Margin & UL Adherence
The amount leaves a narrower margin below the adult upper limit, so selenium from other sources also matters.

Value60

The cost is moderately priced for the selenium supplied.
Price per 200 mcg Serving
The cost is moderately priced for the selenium supplied.
Tyrosine · 400 mg OverallScore59
B- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyF Value
The serving lists 400 mg of L-tyrosine. The estimated cost for that amount is high. No specific tyrosine sourcing or purity assurance is documented.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The ingredient is L-tyrosine, a standard free form. No specific tyrosine sourcing or purity assurance is documented.
Tyrosine Chemical Form
The ingredient is L-tyrosine, a standard free form.
Purity and Sourcing Signals
No specific tyrosine sourcing or purity assurance is documented.

Dose, Safety & Label Transparency72

The serving lists 400 mg of L-tyrosine. The amount is individually stated.
Tyrosine Dosage Adequacy
The serving lists 400 mg of L-tyrosine.
Label Transparency and Blends
The tyrosine amount is individually stated.

Value10

The estimated cost for the tyrosine amount is high.
Price per Gram of Tyrosine
The estimated cost for the tyrosine amount is high.
Iodine · 30000 mcg OverallScore50
B- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyD+ Value
A serving provides 30000 mcg of iodine at a moderately high cost per serving. It uses Potassium Iodide, Sodium Iodide and molecular Iodine. This exceeds the reference upper limit and excessive iodine can disrupt thyroid function.
How this ingredient is rated

Active Ingredient Quality & Bioavailability73

It uses Potassium Iodide, Sodium Iodide and molecular Iodine. A marine source is indicated, but organic status or a clean-water origin is not specified.
Iodine Form & Bioavailability
It uses Potassium Iodide, Sodium Iodide and molecular Iodine.
Marine Source Purity & Sourcing
A marine source is indicated, but organic status or a clean-water origin is not specified.

Dose, Safety & Label Transparency28

A serving supplies 30000 mcg of iodine, well above the reference upper limit. The iodine amount is stated.
Dosage Efficacy for Daily Support
A serving supplies 30000 mcg of iodine, well above the reference upper limit.
Dosage Safety & Upper Limits
The amount exceeds the 1,100 mcg upper limit; excessive iodine can disrupt thyroid function.
Elemental Iodine Transparency
The iodine amount is stated.

Value50

The cost per serving is moderately high.
Price Per Effective Serving
The cost per serving is moderately high.
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
  4. Associations of selenium status with all-cause and cause-specific mortality: a systematic review and meta-analysis of cohort studies.
    Cui Z; Xie R; Lu X; Schomburg L; Brenner H; Schöttker B · Redox biology · 2025
    Meta-analysis95 participants20 studies pooledEveryday Health forSelenium
  5. Dietary Antioxidants, Circulating Antioxidant Concentrations, Total Antioxidant Capacity, and Risk of All-Cause Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Observational Studies.
    Jayedi A; Rashidy-Pour A; Parohan M; Zargar MS; Shab-Bidar S · Advances in nutrition (Bethesda, Md.) · 2019
    Meta-analysis507,251 participants41 studies pooledEveryday Health forSelenium
  6. The efficacy and safety of selenium supplementation versus placebo in the treatment of Graves' orbitopathy: A systematic review and meta-analysis of randomised controlled trials.
    Sharabati I; Qafesha RM; Hindawi MD; Amro S; Ayesh BM · Clinical endocrinology · 2024
    Meta-analysis4 studies pooledEveryday Health forSelenium
  7. Associations of plasma metal concentrations with the risks of all-cause and cardiovascular disease mortality in Chinese adults.
    Shi L; Yuan Y; Xiao Y; Long P; Li W; Yu Y; Liu Y; Liu K; Wang H; Zhou L; Yang H; Li X; He M; Wu T · Environment international · 2021
    Cohort study6,155 participantsEveryday Health forSelenium
  8. Updates on clinical studies of selenium supplementation in radiotherapy.
    Puspitasari IM; Abdulah R; Yamazaki C; Kameo S; Nakano T; Koyama H · Radiation oncology (London, England) · 2015
    Systematic review16 studies pooledEveryday Health forSelenium
  9. Effects of selenium supplementation on selenoprotein gene expression and response to influenza vaccine challenge: a randomised controlled trial.
    Goldson AJ; Fairweather-Tait SJ; Armah CN; Bao Y; Broadley MR; Dainty JR; Furniss C; Hart DJ; Teucher B; Hurst R · PloS one · 2011
    Randomized trial119 participantsImmunity forSelenium
  10. Effect of selenium on immune response against hepatitis B vaccine with accelerated method in insulin-dependent diabetes mellitus patients.
    Janbakhsh A; Mansouri F; Vaziri S; Sayad B; Afsharian M; Rahimi M; Shahebrahimi K; Salari F · Caspian journal of internal medicine · 2013
    Randomized trial62 participantsImmunity forSelenium
  11. Chemoprevention trial of human hepatitis with selenium supplementation in China.
    Yu SY; Li WG; Zhu YJ; Yu WP; Hou C · Biological trace element research · 1990
    Non-randomized trial20,847 participantsImmunity forSelenium
  12. Selenium nanoparticles as adjunctive therapy in sepsis: A pilot randomized clinical trial.
    Gu WJ; Huang W; Zhao FZ; Yuan XK; Jin K; Chen JL; Zhang CY; Huang Y; He L; Zhuang H; Yin HY; Chen T · Drug resistance updates : reviews and commentaries in antimicrobial and anticancer chemotherapy · 2026
    Randomized trial70 participantsImmunity forSelenium
  13. Selenium supplementation in patients with autoimmune thyroiditis decreases thyroid peroxidase antibodies concentrations.
    Gärtner R; Gasnier BC; Dietrich JW; Krebs B; Angstwurm MW · The Journal of clinical endocrinology and metabolism · 2002
    Randomized trial70 participantsImmunity forSelenium