DaVinci Laboratories Thyroid Basics, 120 Capsules supplement bottle
DaVinci Laboratories

Thyroid Basics, 120 Capsules

What We Researched
13 active ingredients analyzed · 3 inactive ingredients decoded · 3 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
88
Product Score Good
82
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Riboflavin 5 mg 385%
Vitamin B6 (as Pyridoxal 5-Phosphate) 25 mg 1,471%
Folate (as L-Methyltetrahydrofolate Calcium) 400 mcg DFE 100%
Iodine (as K Iodide) 225 mcg 150%
Zinc (as Zn Glycinate) 10 mg 91%
Selenium (as Selenomethionine) 50 mcg 91%
Copper (as Cu Glycinate) 0.5 mg 56%
Manganese (as Mn Glycinate) 5 mg 217%
Chromium (as Cr Polynicotinate) † 50 mcg 143%
L-Tyrosine 500 mg *
Bacopa monnieri Extractyielding Bacosides 200 mg40 mg *
Commiphora mukul Extractyielding Guggulsterones 100 mg2.5 mg *
Coleus forskohlii (ForsLean® Brand) Extractyielding Forskolin 100 mg10 mg *
Bioavailability Very Good

Absorption Rating

  • Riboflavin Good
  • Vitamin B6 (as Pyridoxal 5-Phosphate) Fair
  • Folate (as L-Methyltetrahydrofolate Calcium) Fair
  • Iodine (as K Iodide) Good
  • Zinc (as Zn Glycinate) Fair
  • Selenium (as Selenomethionine) Good
  • Copper (as Cu Glycinate) Fair
  • Manganese (as Mn Glycinate) Good
  • Chromium (as Cr Polynicotinate) † Fair
  • L-Tyrosine Good
  • Bacopa monnieri Extractyielding Bacosides Good
  • Commiphora mukul Extractyielding Guggulsterones Fair
  • Coleus forskohlii (ForsLean® Brand) Extractyielding Forskolin Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Capsule)
  • Microcrystalline Cellulose
  • Vegetarian Leucine
Efficacy Very Good

Dosage Analysis

  • Riboflavin 5 mg Effective
  • Vitamin B6 (as Pyridoxal 5-Phosphate) 25 mg Effective
  • Folate (as L-Methyltetrahydrofolate Calcium) 400 mcg DFE Effective
  • Iodine (as K Iodide) 225 mcg Effective
  • Zinc (as Zn Glycinate) 10 mg Effective
  • Selenium (as Selenomethionine) 50 mcg Effective
  • Copper (as Cu Glycinate) 0.5 mg Effective
  • Manganese (as Mn Glycinate) 5 mg Effective
  • Chromium (as Cr Polynicotinate) † 50 mcg Effective
  • L-Tyrosine 500 mg Effective
  • Bacopa monnieri Extractyielding Bacosides 200 mg40 mg Under-dosed
  • Commiphora mukul Extractyielding Guggulsterones 100 mg2.5 mg Under-dosed
  • Coleus forskohlii (ForsLean® Brand) Extractyielding Forskolin 100 mg10 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Riboflavin 5 mg 385%
Vitamin B6 (as Pyridoxal 5-Phosphate) 25 mg 1,471%
Folate (as L-Methyltetrahydrofolate Calcium) 400 mcg DFE 100%
Iodine (as K Iodide) 225 mcg 150%
Zinc (as Zn Glycinate) 10 mg 91%
Selenium (as Selenomethionine) 50 mcg 91%
Copper (as Cu Glycinate) 0.5 mg 56%
Manganese (as Mn Glycinate) 5 mg 217%
Chromium (as Cr Polynicotinate) † 50 mcg 143%
L-Tyrosine 500 mg *
Bacopa monnieri Extractyielding Bacosides 200 mg40 mg *
Commiphora mukul Extractyielding Guggulsterones 100 mg2.5 mg *
Coleus forskohlii (ForsLean® Brand) Extractyielding Forskolin 100 mg10 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Vegetarian Leucine Safe

It provides a source of the essential amino acid leucine.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$57$56$55$54$53 Mar 12 $54.58
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
DaVinci Laboratories

Founded 1973 · Williston, VT, US · 192 products · davincilabs.com/

Certifications

3 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Recall Amyloid Complete2024-05-08Source
Recall Dim Plex2019-07-11Source
Related Supplements
Frequently Asked Questions
Is DaVinci Laboratories Thyroid Basics, 120 Capsules a good supplement?

DaVinci Laboratories Thyroid Basics, 120 Capsules received a product quality score of 88/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 13 active ingredients with 60 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, DaVinci Laboratories, holds a brand trust score of 82/100 with 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in DaVinci Laboratories Thyroid Basics, 120 Capsules?

DaVinci Laboratories Thyroid Basics, 120 Capsules contains 13 active ingredients: Riboflavin (5 mg), Vitamin B6 (as Pyridoxal 5-Phosphate) (25 mg), Folate (as L-Methyltetrahydrofolate Calcium) (400 mcg DFE), Iodine (as K Iodide) (225 mcg), Zinc (as Zn Glycinate) (10 mg), Selenium (as Selenomethionine) (50 mcg), and 7 more. Notable high-dose ingredients include Riboflavin at 385% DV, Vitamin B6 at 1,471% DV, Manganese at 217% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is DaVinci Laboratories Thyroid Basics, 120 Capsules safe to take?

DaVinci Laboratories Thyroid Basics, 120 Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is DaVinci Laboratories a trustworthy supplement brand?

DaVinci Laboratories receives a brand trust score of 82/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Williston, VT, US, the company offers 192 products in their lineup. They hold 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: DaVinci Laboratories has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.