“Potassium 99 mg per serving”
Evidence →The label promises 99 mg per serving. The panel says 99 mg. They match.
Exact product checked · GTIN 00810014679471Nutricost · checked Jul 21, 2026 · on sale since Aug 3, 2016🇺🇸 USPTO wordmark owner · eSupplements, LLC · UTAH, USAPackage says manufactured for: nutricost · 351 E 1750 N, Vineyard, UT 84059
Quick read · Nutricost
Nutricost Potassium Citrate 99mg, 500 Capsules
Checked against public sources between July 21 and September 3, 2026 · LookCloser does not sell or recommend supplements.
500capsules
500servings per container
Does the marketing hold up?
Package and trademark records name different responsible entities. The package says manufactured for: nutricost, 351 E 1750 N, Vineyard, UT 84059. USPTO names eSupplements, LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing…
Is the dose real?✓Listing and panel agreeboth say 99 mg of Potassium
What a serving costs$0.04per serving, at the checked price
Is it tested?Claimed — not yet checked
Who’s behind it?🇺🇸eSupplements, LLClimited liability company · UTAH, USA
Is it the real thing?✓Barcode matches outside records
Trouble on record?✓No recalls found
“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.
1✓ checked out2◖ partly confirmedno contradictions · no recalls
The label itself
What the Supplement Facts panel says
| Potassium (from potassium citrate) | 99 mg |
|---|
Printed on the package: QUALITY NUTRICOST GUARANTEED · VEGETARIAN PRODUCT · GLUTEN-FREE PRODUCT · NON-GMO PRODUCT · GMP COMPLIANT FACILITY · THIRD PARTY TESTED · VEGAN PRODUCT · GMP
We read 1 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
1 promise checks out. 2 could not be fully confirmed from public sources.
✓Matches the label1
◐Partly confirmed2
“Gluten Free, Soy Free, 3rd Party”
Evidence →A testing body is named on the listing, but we found no lot-specific certificate of analysis.
“in an NSF Certified, GMP Compliant, FDA Registered”
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 · 2 useful findings
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
CheckedIs the label honest?
Listing claim matches the Supplement Facts panel
The label promise and the Supplement Facts amount agree.
Evidence and sources
The listing claims 99 mg; the photo-read Supplement Facts panel shows Potassium (from potassium citrate) at 99 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.
Locked evidence record →Open the full source-linked findingCheckedIs the label honest?
Every ingredient shows its amount · 1 ingredients listed.
Every ingredient shows its real amount — nothing is hidden in a proprietary blend.
Evidence and sources
The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.
Locked evidence record →Open the full source-linked findingWhat remains open 3
- No FDA recall matched this brand in the current search.
- 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.
Who owns the brand wordmark?
🇺🇸
eSupplements, LLCLimited Liability Company · exact supplement-class mark for NUTRICOST
Filed address
UTAH, USA) DBA Nutricost; 351 E 1750 N, VINEYARD, UTAH 84059, 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 ↗
Where it sells
Price check for this exact product
Amazon
Exact UPC/GTIN match$19.95
$0.04 per labeled serving
matching UPC/GTIN · checked Sep 2, 2026
View on Amazon ↗iHerb
Exact UPC/GTIN match$19.95
$0.04 per labeled serving
matching UPC/GTIN · checked Jul 24, 2026
View on iHerb ↗Brand website
Official product-page candidate · UPC absent$21.97
Official shopping lead; excluded from exact price comparisons.
Nutricost Potassium Citrate Capsules · 500 Capsules. Confirm the package UPC/GTIN before buying.
Check brand website ↗Target
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 Target ↗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.
The brand-page price is shown as a shopping lead only. It is excluded from the exact-product price difference because the page does not publish this record's matching UPC/GTIN.
The observed listing and related brand page repeat 99 mg, 500 capsules. That confirms cross-page consistency of the published claim, not the product contents.
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.