full reportFull record · 807735011956 · back to the summary
Free to read, download and share — no signup, no paywall, no ads.
What this is. We compare what a listing claims against what public records show — label arithmetic, barcode registries, NIH’s label catalog, FDA enforcement data, certification registries, and published research. Every statement below traces to one of those.
What the states mean. Confirmed = an outside source agrees. Contradicted = an outside source disagrees. Caution = something needs explaining. No data = we looked and found nothing — a gap, not a strike.
What it is not. A clean record is not an endorsement and never proof a product works. A thin record is not an accusation. We publish evidence and gaps; the conclusion is yours. Nothing here is medical advice.
Something wrong? Every figure is meant to be checkable — sources are named and linked. Send a correction and we’ll fix the record.
The listing-image panel publishes an amount for each of its 1 listed row. That supports ingredient-by-ingredient review; it does not verify the contents.
| Panel row | Amount | %DV | What to notice |
|---|---|---|---|
| Zinc (Zinc Sulfate Heptahydrate) | 25 mg | — |
FDA rules (21 CFR 101.36) require the amount of each dietary ingredient per serving unless hidden in a listed “proprietary blend” (legal, but a transparency yellow flag). A label stating no amount at all is non-compliant — a checkable red flag. This panel states amounts; the open question is whether those listed amounts are independently verified and how they compare with relevant research.
vision:google/gemini-flash-1.5 Amounts are shown as listed panel data, not independently lab-tested contents.
Every check we ran
Confirmed evidence
These checks found support in the public record. They confirm specific facts, not the product as a whole.
USPTO lists Premier Research Labs, LP (LIMITED PARTNERSHIP; LIMITED LIABILITY COMPANY) in TEXAS, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.
The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.
Documented concerns
These are documented contradictions or claims that need more evidence. They are separate from missing data.
No contradictions or product-specific cautions were found at this check depth.
Unresolved public record
We looked for these signals but could not settle them from public sources. A gap is not a strike.
The saved listing evidence does not establish net weight, unit count, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike.
Published sources describe how zinc have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Zinc fact sheet, PubMed search: zinc supplementation trial.
This recall is not about the product on this page. Premier Research Labs LLC recalled a different product on June 15, 2022. FDA has since closed that case. The recalled item was “AloePro Dietary Supplement Made With Organic ALOE VERA LIQUID 16 FL Oz. (475 mL) PREMIER RESEARCH LABS UPC Code: 80773500137 packaged in plastic HDPW bottles”. FDA recorded the reason as “Product spoiling over time; spoilage visible beneath lid/closure upon opening”. Verify at FDA’s recall database.
We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.
The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.
Exact-listing history records written-review counts from 59 on 2026-05-04 to 61 on 2026-06-11 (net +2). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.
Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.
What to ask and check
Ask the brand or seller
Is this label filed with NIH’s Dietary Supplement Label Database (DSLD)?
Filing is voluntary, so absence proves nothing — but a filed label puts the full ingredient table on public record where anyone can read it.
Most brands and sellers publish a contact route. A clear answer adds evidence to the record; no answer leaves the question open.
Check for yourself — no one’s permission needed
Compare the panel on the bottle in your hand to the one shown in this record.
Ours was read from listing photos and can contain reading errors. The physical label is the source of truth — if they disagree, tell us and we’ll correct the record.
Scan the barcode on the package and confirm it reads 807735011956.
A mismatch between the barcode on the box and the one on the listing is worth pausing over — it can indicate a different variant, a repack, or a counterfeit.
Check the lot number and expiry on the bottle against any COA you’re given.
A certificate that doesn’t name your lot doesn’t describe what you’re holding.
These are the open questions on this specific record — not a warning about the product, and not a suggestion to buy or avoid it. Getting them answered is how you decide for yourself.
What the listing promises — claim by claim
| Claim | Status | What we found |
|---|---|---|
| Benefit claim “Premier Research Labs Liquid Zinc Ultra Supplement - for Immune Support & Well-Being for Adults & Kids, Highly Absorbable Drops, Convenient & Easy to Take Formula - 8 fl ” | Partly supported We looked for: whether the ingredient doses on the label match the doses used in published research | Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed. |
“No evidence located” does not mean a claim is false — it means the seller has not put evidence proportionate to the claim on the public record, and we could not find any. Absence of proof is not proof of absence.
This label vs. the doses studied
| Ingredient | Where this label sits | Reading |
|---|---|---|
| Zinc (Zinc Sulfate Heptahydrate) | shaded = doses used in studies (8 mg–40 mg) · bar = this label | 25 mg — within the studied range |
Matching a studied dose does not mean the product works, and missing it does not mean it fails — it shows whether the label and the research are talking about the same amounts. Not a recommendation to take any amount.
Documented cautions
Statements from published sources about these ingredients — not advice about this product, and not a complete safety review. Anyone taking medication should talk to a pharmacist or clinician.
Verifiability profile — 3 of 6 public signals
What this listing gives the public to check. Publishing these signals doesn't prove quality — but withholding them means claims can only be taken on faith.
Identity
| UPC (barcode) — also our record ID | 807735011956 — via source listing UPC |
| Brand | Premier Research Labs |
| Source listing identifier | B08MVKRR2J |
| Retailer listing title | Premier Research Labs Liquid Zinc Ultra Supplement - for Immune Suppor… show full titlePremier Research Labs Liquid Zinc Ultra Supplement - for Immune Support & Well-Being for Adults & Kids, Highly Absorbable Drops, Convenient & Easy to Take Formula - 8 fl oz |
| USPTO brand owner | Premier Research Labs, LP · LIMITED PARTNERSHIP; LIMITED LIABILITY COMPANY · TEXAS, USA |
| Owner filed address | Building B, 3500 Wadley Place, Austin, TEXAS 78728, UNITED STATES |
From the label (photo-read)
| Serving size | 1 Teaspoon (5mL) |
| Servings per container | 47 |
| Net weight | 8 FL OZ (235 mL) |
| Badges printed on pack | NON-GMO, Kosher Certified, U, FDA-Monitored CGMP Facility |
Supplement Facts panel (photo-read):
| Ingredient | Amount per serving | Reading confidence |
|---|---|---|
| Zinc (Zinc Sulfate Heptahydrate) | 25 mg | High clearly legible in the photo |
Claims printed on the packaging:
“Highly Absorbable” · “Liquid Zinc” · “Healthy Immune Support**” · “Highly Absorbable Liquid Zinc” · “PRL's Quality Guarantee” · “NON-GMO” · “Purity Verified” · “Potent Source of Zinc”
Read by a vision model from 6 listing photos — verbatim extraction; OCR errors possible. Spot a mistake? It will be corrected on review.
Where it sells
| Seller | Price |
|---|---|
| Retailer listing ↗ | $30.99 checked Jul 26, 2026 — varies by variant/session; price history pending |
Reference links for identification only — LookCloser has no affiliate relationships and earns nothing from any link on this page.
Ingredient science — NIH references
Zinc — NIH ODS · MedlinePlus · PubMed (19,708) · UL 40 mg (adults, from all sources)
Reference data from the NIH Office of Dietary Supplements, IOM Dietary Reference Intakes, and PubMed. A Tolerable Upper Intake Level is a documented reference figure, not a safety verdict — both the listed amount and the reference are shown for your own judgment. LookCloser gives no medical advice.
Related research & consistency
zinc — NIH ODS — Zinc fact sheet · PubMed search: zinc supplementation trial · ClinicalTrials.gov — 1,598 registered studies
ℹ Use pattern in research: daily oral use; sustained high intakes can interfere with copper absorption — a documented interaction, not advice.
These notes state where label numbers and marketing framing sit relative to published research — documentation for your own judgment, not medical advice. LookCloser does not advise for or against taking any supplement.
Record 807735011956 · built July 26, 2026 · lookcloser.ai · corrections@lookcloser.ai