Thyroid Basics

product on market Capsule DaVinci Laboratories 🟢 Safety: 97/100
Brand: DaVinci Laboratories
🟢 97/100

This product looks safe

  • Folate: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)
  • 69% of ingredients have research evidence
C Label Compliance Grade

Product Label

Label for Thyroid Basics
📄 Open Full PDF View on NIH DSLD →
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Safety Alerts

⚠️ Folate: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

2 Capsule(s) Serving Size
60 Servings
Botanical with Nutrients Product Type
69% Evidence Coverage

Supplement Facts — Evidence Check

5 mg (385% DV)
📊 3.8× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 5mg
25 mg (1471% DV)
📊 19.2× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 25mg UL 100mg
400 mcg DFE (100% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 400.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 400mg UL 1.0mg
225 mcg (150% DV)
✅ 1.5× RDA — within safe limits 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.225mg UL 1.1mg
10 mg (91% DV)
✅ Within RDA (0.9× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 10mg UL 40mg
50 mcg (91% DV)
✅ Within RDA (0.9× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.05mg UL 0.4mg
0.5 mg (56% DV)
✅ Within RDA (0.6× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.5mg UL 10mg
5 mg (217% DV)
✅ 2.2× RDA — within safe limits 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 5mg UL 11mg
50 mcg (143% DV)
✅ 1.4× RDA — within safe limits 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.05mg
500 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 500mg
Bacopa monnieri Extract
200 mg
Commiphora mukul extract
100 mg
ForsLean
100 mg

Other Ingredients

Hypromellose Microcrystalline Cellulose Leucine

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (48% of products) No Claim (1% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Suggested use: As a dietary supplement, take 2 capsules with food, twice daily until results occur. Then take 2 capsules daily with food, or as directed by your healthcare practitioner.

⚠️ Warnings & Precautions

Warning: Do not take this product if you have an over active thyroid, bleeding disorders, cardiovascular disease or hormone sensitive conditions; or if you are taking blood thinners, calcium channel blockers, nitrates, or statin drugs.

Discontinue 2 weeks prior to any elective surgeries.

If pregnant or nursing, consult with your healthcare professional before taking this product.

Keep out of reach of children.

To obtain product information or report a serious adverse event, call 1-800-325-1776. Not labeled for sale in California.

🧪 Formulation Notes

Thyroid basics is a vegetarian blend of L-Tyrosine with herbal extracts, vitamins and minerals, and includes patented ForsLean Coleus forskohlii to support the maintenance and proper function of a healthy thyroid.

Color of this product may vary due to color variations of the natural ingredients.

A Dietary Supplement to support thyroid function and health

Vegetarian / Gluten free

Vegetarian / Gluten free

Additional Information

Truth We pledge total truth in labeling. Our family of products contains only the purest and most potent ingredients. Guaranteed.

Store in a cool, dry place.

Product Details

UPC / SKU 0 26664 28401 3
DSLD Entry Date 2023-12-14
Product Type Botanical with Nutrients
Form Capsule
Brand DaVinci Laboratories
DSLD ID 304051
Data Updated 2026-04-11

Research Evidence

22 Research Sources
49 Avg Quality Score
8 Rct
4 Meta Analysis
4 Clinical Trial
3 Systematic Review
1 Cochrane Review
1 Regulatory Source
B Effect of vitamin B2, vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
Systematic Review BMJ open 2024
PubMed DOI
B Effect of Vitamin B2 supplementation on migraine prophylaxis: a systematic review and meta-analysis
Meta Analysis Nutritional neuroscience 2022
PubMed DOI
B Supplementary vitamin E, selenium, cysteine and riboflavin for preventing kwashiorkor in preschool children in developing countries
Systematic Review The Cochrane database of systematic reviews 2010
PubMed DOI Cochrane
B Riboflavin supplements for blood pressure lowering in adults.
Cochrane Review The Cochrane database of systematic reviews
PubMed DOI Cochrane
B Associations of dietary vitamin B1, vitamin B2, vitamin B6, and vitamin B12 with the risk of depression: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2022
PubMed DOI
C Prophylaxis of migraine headaches with riboflavin: A systematic review
Systematic Review Journal of clinical pharmacy and therapeutics 2017
PubMed DOI
C Medium-dose riboflavin as a prophylactic agent in children with migraine: a preliminary placebo-controlled, randomised, double-blind, cross-over trial
Rct Cephalalgia : an international journal of headache 2010
PubMed DOI
C The efficacy of 2 different phakic intraocular lens implant in keratoconus as an isolated procedure or combined with collagen crosslinking and intra-stromal corneal ring segments: a systematic review and meta-analysis
Meta Analysis International ophthalmology 2023
PubMed DOI
C Epithelium-off photochemical corneal collagen cross-linkage using riboflavin and ultraviolet a for keratoconus and keratectasia: a systematic review and meta-analysis
Meta Analysis The ocular surface 2014
PubMed DOI
C Improvement of migraine symptoms with a proprietary supplement containing riboflavin, magnesium and Q10: a randomized, placebo-controlled, double-blind, multicenter trial
Rct The journal of headache and pain 2015
PubMed DOI
View all evidence for Riboflavin →

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