LookCloser.aipublic supplement evidence
Exact product checked · barcode not publishedIsopure · checked Jul 21, 2026🇺🇸 USPTO wordmark owner · Nature's Best Inc. · NEW YORK, USA; DELAWARE, USA
Quick read · Isopure

Isopure Zero Carb 100% Pure Whey Isolate Protein…

Checked against public sources on July 21, 2026 · LookCloser does not sell or recommend supplements.

Does the marketing hold up?

Research links are available for magnesium, zinc. Use the linked research to check whether the ingredient and outcome you care about are actually connected. Ingredient evidence does not verify this product.

Is the dose real?Panel read — dose not verified25 ingredients listed; no advertised amount we could confirm against them
What a serving costsNo price found for this exact barcode
Is it tested?No testing claim made
Who’s behind it?🇺🇸Nature's Best Inc.corporation; limited liability company · NEW YORK, USA; DELAWARE, USA
Is it the real thing?No barcode publishedso it can’t be matched against certification, recall or other retailer 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◖ partly confirmedno contradictions · no recalls
The label itself

What the Supplement Facts panel says

Serving size 31g (About 1 Scoop) · 40 servings per container · NET WT 43.73 OZ (2.73 LB) 1.24 KG ABOUT 40 SERVINGS

Calories110
Total Fat0.5g
Cholesterol5mg
Sodium190mg
Total Carbohydrate0g
Total Sugars0g
Includes Added Sugars0g
Protein25g
Calcium370mg
Potassium100mg
Vitamin A300mcg
Vitamin C15mg
Vitamin E5mg
Thiamin0.37mg
Riboflavin0.43mg
Niacin5mg
Vitamin B60.5mg
Folate165mcg DFE (100mcg folic acid)
Vitamin B122.43mcg
Pantothenic Acid2.5mg
Phosphorus280mg
Iodine37mcg
Magnesium115mg
Zinc4.1mg
Selenium17mcg

We read 25 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 confirmed1

“of high-quality protein per serving to support daily protein needs Ultra-filtered protein to remove excess fat, carbs and sugars An effortless…”

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

Evidence →

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.

CheckedCan you trust the review pattern?

We can see 94 of this product’s 2,621 reviews — the count rose between August 6, 2025 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 2,527 to 2,621 between August 6, 2025 and August 19, 2026. The largest rise inside any single 30-day window was about 60, so the count moved in steps rather than in one burst.

Locked evidence record →Open the full source-linked finding
What remains open 1
  • No FDA recall matched this brand in the current search.

These are evidence gaps, not strikes against the product.

Who owns the brand wordmark?
🇺🇸
Nature's Best Inc.Corporation; Limited Liability Company · exact supplement-class mark for ISOPURE
Registration2304802
Registered1999-12-28
AssignmentsYes

Filed address
195 Engineers Road, Hauppauge, NEW YORK 117884003, 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.

Buying options

Where you can check or buy it

Only the submitted seller page is identity-certain. Other destinations are shown as leads until a shared UPC/GTIN confirms the exact product.

Amazon

Submitted listing
$89.79

Amazon Retail observed via Keepa on 2026-09-02.

View on Amazon ↗

iHerb

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search iHerb ↗

Target

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search Target ↗

Walmart

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search Walmart ↗

Prices and stock are point-in-time observations. Related pages are never used as product evidence. No affiliate links; LookCloser earns nothing from these sellers.

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.

Read / share full evidence →

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.