“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.

Clean Nutraceuticals Immune Defense Support Supplement 8 in 1…
Checked against public sources on August 3, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
Ingredient amounts are hidden inside “Clean Immune Defend™ Proprietary Blend”. A blend total may be legal, but it prevents you from knowing whether any individual ingredient reaches a meaningful amount.
“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 C (as ascorbic acid) | 1000 mg |
|---|---|
| Vitamin D (as cholecalciferol) | 125 mcg (5000 IU) |
| Zinc (as zinc gluconate, zinc picolinate, and zinc citrate) | 50 mg |
| Clean Immune Defend™ Proprietary Blend | 350 mg |
Printed on the package: MADE IN USA · GMP COMPLIANT · GMP · 3RD PARTY TESTED
We read 4 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 confirmed2
Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.
Ingredient research can support context, but it is not a trial of this exact product.
?Couldn’t verify independently2
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.
“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.
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.
Registered owner records: ALLSEASON ENTERPRISES LLC · ALLSEASON IPCO, LLC
The public ownership record is ambiguous. We show the exact candidates instead of choosing one by name similarity.
Evidence and sources
USPTO returned multiple live supplement-class records for the exact brand wordmark: ALLSEASON ENTERPRISES LLC, ALLSEASON IPCO, LLC. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.
Locked evidence record →Open the full source-linked findingWhat remains open 2
- We have not found a public label filing for this exact product.
- Barcode checksum is valid; no independent product record was found.
These are evidence gaps, not strikes against the product.
The brand has 2 exact supplement-class records
These are the USPTO records behind the brand name. We show them all rather than choosing one by similarity.
SOUTH DAKOTA, USA; DELAWARE, USA · Registration 7031117
Ste 214-1619, 401 E 8th St, Sioux Falls, SOUTH DAKOTA 57103, UNITED STATES
Goods covered by this record
IC 005: Dietary supplements; Dietary supplements in the form of powder; Dietary supplements consisting primarily of vitamins; Food supplements; Green coffee bean extracts for use as dietary supplements; Gummy vitamins; Herbal supplements; Mineral supplements; Mineral nutritional supplements; Nutritional supplements; Nutritional supplements in the form of drink mixes; Protein supplements; Vitamin preparations; Vitamin supplements; Liquid vitamin supplements.
DELAWARE, USA · Registration 7942428
7582 Las Vegas Blvd. S., #3015, Las Vegas, Nevada 89123, UNITED STATES
Goods covered by this record
IC 005: Dietary supplements; Dietary supplements consisting primarily of vitamins; Dietary supplements in the form of powder; Food supplements; Green coffee bean extracts for use as dietary supplements; Gummy vitamins; Herbal supplements; Liquid vitamin supplements; Mineral supplements; Mineral nutritional supplements; Nutritional supplements; Nutritional supplements in the form of drink mixes; Protein supplements; Vitamin preparations; Vitamin supplements.
This answers who owns registrations for the brand wordmark. It does not by itself prove which entity made, imported, or sold this specific product. 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.
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 50 mg of zinc per serving. Studies we found used 8 mg–40 mg a day, so this sits above that range.
Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.
Price check for this exact product
Amazon
Exact UPC/GTIN match$0.77 per labeled serving
matching UPC/GTIN · checked Aug 3, 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.
No official brand storefront is confirmed in this record. That is neutral, but it prevents a direct brand-price, label, review, and document check.
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 August 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.