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

Dr. Berg Zinc 30 mg (60 Capsules) – High Potency 7-in-1 Immune…
Checked against public sources between July 21 and July 24, 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.
“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 D | 12.5 mcg (500 IU) |
|---|---|
| Vitamin B6 | 10 mg |
| Folate | 300 mcg DFE |
| Magnesium | 15 mg |
| Zinc | 30 mg |
| Selenium | 50 mcg |
| Copper | 3 mg |
Printed on the package: USA · NON-GMO · PACKAGED IN THE USA · Dr. Berg · THE KNOWLEDGE DOC · WITH GLOBALLY SOURCED INGREDIENT · LAB TESTED · NO HEXANE
We read 7 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.
?Couldn’t verify independently2
“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.
No named laboratory or lot-specific certificate was found for this exact product. No exact brand product page was available for a document check. NSF, IFOS, USP, and Informed-Sport were not checked in this record. This is a public-evidence limit, not a finding that testing did not occur.
We looked and found no public proof. That does not count against the product.
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
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. Health & Wellness Center, Inc. recalled a different product on September 24, 2021. FDA has since closed that case. The recalled item was “Dr. Berg Nutritionals, Liquid Vitamin D with Zinc Dietary Supplement ( Liquid Vitamin D )…”
Locked evidence record →Open the full source-linked findingThe barcode identity checks out · 810110790889.
The barcode matches, so we are checking the right product rather than a look-alike.
Evidence and sources
Open Food Facts resolves 810110790889 to "Zinc With Magnesium, Vitamin D3, And Selenium" (Dr. Berg) — consistent with this listing.
Locked evidence record →Open the full source-linked findingWe can see 4 of this product’s 305 reviews — the count rose between August 5 and August 19, 2026. That is too small a slice to say anything about the wider pattern.
A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.
Evidence and sources
Written reviews rose from 301 to 305 between August 5 and August 19, 2026. The largest rise inside any single 30-day window was about 4, so the count moved in steps rather than in one burst.
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.
Filed address
912 Drew St. Suite 203-13, Clearwater, Florida 33755, 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
The label amount is shown beside the range used in the linked ingredient studies.
Zinc
30 mg per serving — within the 8–40 mg/day used in the linked studies.
Price check for this exact product
Amazon
Exact UPC/GTIN match$0.40 per labeled serving
matching UPC/GTIN · checked Sep 1, 2026
View on Amazon ↗iHerb
Not confirmedWe only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search iHerb ↗Target
Not confirmedWe only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Target ↗Walmart
Not confirmedWe only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Walmart ↗Only one exact price was available at build time; prices change by date, seller, and promotion.
Reference prices only · no affiliate links · every compared seller must publish the matching UPC/GTIN.
Want to inspect the evidence?
The full report shows every source, the exact unresolved question, and the documentation that would settle it.
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.