Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.

Bright Naturals Thyroid Renew Supplement
Checked against public sources on July 26, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
Research links are available for ashwagandha, zinc. Use the linked research to check whether the ingredient and outcome you care about are actually connected. Ingredient evidence does not verify this product.
“Couldn’t verify” means we looked and found no public proof — not a mark against the product. Most supplement claims cannot be independently verified by anyone, so grey is the normal state of this industry.
What the Supplement Facts panel says
| Vitamin A (as Vitamin A Acetate) | 900mcg RAE RAE |
|---|---|
| Vitamin C (as Ascorbic Acid) | 250mg mg |
| Riboflavin (as Riboflavin) | 1.3mg mg |
| Zinc (as Zinc Bisglycinate Chelate (TRAACS ®)) | 11mg mg |
| Selenium (as Selenium Glycinate) | 55mcg mcg |
| Copper (as Copper Bisglycinate Chelate TRAACS ®)) | 0.9mg mg |
| Ashwagandha (Withania somnifera) Root Extract (std. 2.5% withanolides) | 600mg mg |
| L-Tyrosine | 300mg mg |
| Guggul (Commiphora wightii) Gum Extract | 100mg mg |
Printed on the package: PALEO PLAN
We read 9 lines from the package photograph. It is our transcript of the label, not the manufacturer’s panel, and it may be incomplete.
The checks, one by one
The public sources did not settle the marketing promises on this label.
◐Partly confirmed1
Ingredient research can support context, but it is not a trial of this exact product.
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
What remains open 2
- No FDA recall matched this brand in the current search.
- No dated review-history series is on file yet.
These are evidence gaps, not strikes against the product.
Filed address
701 South Carson Street, Ste 200-4072, Carson City,, Nevada 89701, UNITED STATES
USPTO identifies the public owner or applicant behind this brand wordmark. This does not by itself identify the product manufacturer or prove where the product was made. Open USPTO source ↗
Dose and research context
We could not match an amount on this product to a studied range for the same ingredient, so these links are ingredient background rather than a measurement of this product.
Where you can check or buy it
Open related seller leads before buying, then confirm the flavor, count, and serving size. Their prices are visible, but LookCloser does not claim savings until the pages share a UPC/GTIN.
Amazon
Submitted listingLowest New observed via Keepa on 2026-07-26.
View on Amazon ↗Brand website
Official product-page candidate · UPC absentUseful official shopping lead; excluded from exact price comparisons.
Thyroid Renew · Default Title. The page matches the same named product, but omits the identifier needed to bind the exact sellable unit.
Check brand website ↗iHerb
Not confirmedNo matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.
Search iHerb ↗Target
Not confirmedNo matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.
Search Target ↗Walmart
Not confirmedNo matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.
Search Walmart ↗Prices and stock are point-in-time observations. Related pages are never used as product evidence. No affiliate links; LookCloser earns nothing from these sellers.
Want the complete evidence trail?
The summary stops at product-specific facts. The full report preserves every source, calculation, limitation, and unresolved check for review or sharing.
Record built July 26, 2026. Sources: source listing observed at check time · USPTO Trademark Search · Keepa exact-listing history · NIH / published research · certification and regulator records where available. LookCloser publishes evidence and gaps; it does not advise for or against any supplement. Evidence-based corrections welcome.