Spectra 303-T
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 80% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
1 Tablet(s)
Serving Size
Other Combinations
Product Type
80%
Evidence Coverage
Supplement Facts — Evidence Check
225 mcg
(150% DV)
✅ 1.5× RDA — within safe limits
📚 243 studies (Tier A: 4, B: 133)
10 mg
(67% DV)
✅ Within RDA (0.9× RDA of 11 mg)
📚 258 studies (Tier A: 6, B: 134)
500 mcg
(25% DV)
✅ Within RDA (0.6× RDA of 0.9 mg)
📚 36 studies (Tier A: 0, B: 11)
100 mg
📊 Market median: 500.0mg (223 products)
📚 22 studies (Tier 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
Label Claims — Verification
❓
All Other
❓
Structure/Function
All Other (98% of products)
Structure/Function (74% of products)
Nutrient (53% of products)
Target Groups
Adult (18 - 50 Years)
Gluten Free
Dairy Free
Sugar Free
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)
Product Details
UPC / SKU
8 71791 00199 2
DSLD Entry Date
2018-01-25
Product Type
Other Combinations
Form
Tablet or Pill
Brand
Integrative Therapeutics
DSLD ID
77954
Data Updated
2026-04-11
Research Evidence
292
Research Sources
57
Avg Quality Score
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
Food fortification with multiple micronutrients: impact on health outcomes in general population
A
Chlorhexidine vs Povidone-Iodine and Incidence of Catheter-Related Infections: A Systematic Review and Meta-Analysis
B
Radioiodine Remnant Ablation for Differentiated Thyroid Cancer: A Systematic Review and Meta-analysis
B
Risk of primary breast cancer in patients with differentiated thyroid cancer undergoing radioactive iodine therapy: a systematic review and meta-analysis
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
B
Oral hygiene care for critically ill patients to prevent ventilator-associated pneumonia
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