Home/ Supplements/ Iodine/ Spectra 303-T

Spectra 303-T

product on market Tablet or Pill Integrative Therapeutics Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 80% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Iodine, tyrosine, and zinc provide essential building blocks and enzymatic support for thyroid hormone synthesis. While these nutrients are critical for endocrine function, the overall evidence coverage for this specific formulation is limited. Research generally supports the role of these minerals in metabolic health.

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

Label

Product Label

Label for Spectra 303-T
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
80%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

225 mcg (150% DV)
1.5× RDA — within safe limits 245 studies (A:4, B:133)
10 mg (67% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
500 mcg (25% DV)
Within RDA (0.6× RDA) 37 studies (A:0, B:11)
100 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Thyroid
100 mg

Other Ingredients

Cellulose Dicalcium Phosphate modified Cellulose Gum Stearic Acid Magnesium Stearate Silicon Dioxide Modified Cellulose Glycerin Carnauba wax
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommendations: Take 1 tablet one to three times daily, or as recommended by your healthcare professional.

Warnings & Precautions

If pregnant, nursing, or taking prescription drugs, consult your healthcare professional prior to use.

Formulation Notes

Contains no sugar, salt, yeast, wheat, gluten, soy, dairy products, artificial coloring, artificial flavoring, or preservatives.

Additional Information

LZ156008.D01 (B160119D)

Metadata

Product Details

UPC / SKU8 71791 00199 2
DSLD Entry Date2018-01-25
Product TypeOther Combinations
FormTablet or Pill
BrandIntegrative Therapeutics
DSLD ID77954
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.