“MaryRuth's Organic Liquid Zinc Supplement, Immune Support, Antioxidant,”
Evidence →Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.
Exact product checked · GTIN 00856645008600MARYRUTH'S · checked Sep 2, 2026 · on sale since Apr 6, 2020🇺🇸 USPTO wordmark owner · MRO MaryRuth, LLC · Delaware, USA
Quick read · MARYRUTH'S
MaryRuth's Organic Liquid Zinc Supplement
Checked against public sources between July 25 and September 2, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
FDA recall appears in this brand's history. An exact-product recall is a direct signal. A different product from the same firm is company context, not a strike against this item.
Is the dose real?Panel read — dose not verified2 ingredients listed; no advertised amount we could confirm against them
What a serving costsNo price found for this exact barcode
Is it tested?✓Clean Label Project seal printed on the labelwe read it off the package photo
Who’s behind it?🇺🇸MRO MaryRuth, LLClimited liability company · Delaware, USA
Is it the real thing?✓Barcode matches outside records
Trouble on record?Brand history — not 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.
2◖ partly confirmedno contradictions · brand-level recall on file
The label itself
What the Supplement Facts panel says
| SERVING SIZE | 2 ml |
|---|---|
| Zinc (as-Zinc Sulfate) | 11.25 mg |
Printed on the package: USDA ORGANIC · NON GMO · VEGAN · clean label certified · Certified B Corporation · clean label PROJECT CERTIFIED · Non-GMO
We read 2 lines from the package photograph. It is our transcript of the label, not the manufacturer’s panel, and it may be incomplete.
Marketing claims, checked
The checks, one by one
The public sources did not settle the marketing promises on this label.
◐Partly confirmed2
“out of reach of children in case of accidental overdose or choking For Most Lifestyles: Liquid Ionic Zinc by MaryRuth's is USDA Organic, Non-GMO,…”
Evidence →“GMP-certified” describes factory processes, not what is in the bottle. The claim does not name a certifier or public register that a shopper can check.
Ingredient research can support context, but it is not a trial of this exact product.
Quick read · 1 useful finding
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
Needs explanationAny trouble in public records?
FDA recall appears in this brand's history
An exact-product recall is a direct signal. A different product from the same firm is company context, not a strike against this item.
Evidence and sources
This recall is not about the product on this page. MARY RUTH ORGANICS recalled a different product on October 28, 2021. FDA has since closed that case. The recalled item was “MaryRuth's Organic Infants Liquid Probiotic; Unflavored, a Dietary Supplement. 1 fl. oz.…”
Locked evidence record →Open the full source-linked findingWhat remains open 1
- We have not found a public label filing for this exact product.
These are evidence gaps, not strikes against the product.
Who owns the brand wordmark?
🇺🇸
MRO MaryRuth, LLCLimited Liability Company · exact supplement-class mark for MARYRUTH'S
Filed address
9220 Sunset Blvd., Suite 320, West Hollywood, California 90069, 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 ↗
Research behind the findings
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.
Background reading
What the research says about these amounts
Not a score. Studies disagree with each other and change over time, so this sits beside the evidence rather than counting toward it — it is here so you can read the sources yourself.
The panel lists 11 mg of zinc per serving. Studies we found used 8 mg–40 mg a day, so this sits inside that range.
0studied 8 mg–40 mg
Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.
Where it sells
Price check for this exact product
Amazon
Exact UPC/GTIN match$19.95
matching UPC/GTIN · checked Sep 2, 2026
View on Amazon ↗Target
Exact UPC/GTIN match$19.95
matching UPC/GTIN · checked Jul 25, 2026
View on Target ↗iHerb
Not confirmedNo exact listing saved
We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search iHerb ↗Walmart
Not confirmedNo exact listing saved
We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Walmart ↗Same UPC/GTIN observed across 2 sellers at the same price at check time.
Reference prices only · no affiliate links · every compared seller must publish the matching UPC/GTIN.
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 September 03, 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.