LookCloser.aipublic supplement evidence
Exact product checked · GTIN 641871637553Purity Labs · observed 2026-07-23
The useful read · Purity Labs

Purity Labs USDA Organic Turmeric Curcumin Supplement with…

The pack says it is tested, but names no lab or certifier.

Rebuilt from public sources on July 23, 2026 · evidence availability is not a safety or effectiveness verdict.

120capsules · 60 servings
Needs explanation

The pack says it is tested, but names no lab or certifier.

A testing badge without an issuer or report is a marketing claim, not evidence. Ask for the lab name and lot-specific report.

Checks out

Every declared ingredient has an amount · 4 quantified rows.

You can compare each declared dose with research instead of guessing what is hidden inside a blend.

Checks out

The barcode identity checks out · 641871637553.

The outside identifier points to this product, so the other checks are less likely to be about a look-alike.

Shopper scorecard

The useful findings, in decision order.

Only product facts and comparisons earn a card. Pipeline gaps stay collapsed.

01

Is the label honest?

Checks outNIH / published research

Every declared ingredient has an amount · 4 quantified rows.

The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.

Why it mattersYou can compare each declared dose with research instead of guessing what is hidden inside a blend.

Open the source-linked finding
02

Who is behind it?

Checks outBarcode / GTIN record

The barcode identity checks out · 641871637553.

UPCitemdb resolves 641871637553 to "Purity Labs Organic Turmeric Curcumin - Vegan Supplements for Heart, Brain, and " (Purity Labs) — consistent with this listing.

Why it mattersThe outside identifier points to this product, so the other checks are less likely to be about a look-alike.

Open the source-linked finding
Checks outNIH label catalog

Registered in NIH's supplement label database (DSLD)

Label #313934 “Turmeric Curcumin” (Purity Labs), entered 2024-07-25, with the full Supplement Facts on file — see the panel below. NIH marks this label as off-market (superseded or discontinued version). Company on file: Distributor — Purity Labs, Costa Mesa, CA.

Why it mattersA government label filing makes the declared formula easier to inspect and compare over time.

Open the source-linked finding
03

Any trouble on the record?

Needs explanationCertification / laboratory record

The pack says it is tested, but names no lab or certifier.

The listing claims third-party testing without naming any lab or certifier, so the claim can't be verified as stated.

Why it mattersA testing badge without an issuer or report is a marketing claim, not evidence. Ask for the lab name and lot-specific report.

Open the source-linked finding
05

Will it do what you want?

Public contextNIH / published research

Research links are available for turmeric / curcumin.

Published sources describe how turmeric / curcumin have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH NCCIH — Turmeric, PubMed search: curcumin bioavailability piperine.

Why it mattersUse the linked research to check whether the ingredient and outcome you care about are actually connected. Ingredient evidence does not verify this product.

Open the source-linked finding
Relevant research · quick links

Read the ingredient evidence directly

These links provide the public research context used alongside the captured panel. They do not establish safety, effectiveness, or product quality.

What would settle the biggest open question?

Can the testing claim be tied to a named laboratory and this product lot? Evidence that would settle it: lot-specific COA naming the laboratory and matching the product lot.

Read / share full evidence →
Open the full evidence trailSources, edge cases, and every unresolved check

Confirmed evidence

What checked out03

These checks found support in the public record. They confirm specific facts, not the product as a whole.

Full label filed with NIH — ingredients on public record

Label #313934 “Turmeric Curcumin” (Purity Labs), entered 2024-07-25, with the full Supplement Facts on file — see the panel below. NIH marks this label as off-market (superseded or discontinued version). Company on file: Distributor — Purity Labs, Costa Mesa, CA.

Confirmed

Barcode confirmed in an outside database

UPCitemdb resolves 641871637553 to "Purity Labs Organic Turmeric Curcumin - Vegan Supplements for Heart, Brain, and " (Purity Labs) — consistent with this listing.

Confirmed

Every ingredient amount is disclosed

The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.

Confirmed

Documented concerns

What needs caution01

These are documented contradictions or claims that need more evidence. They are separate from missing data.

!

Dose is higher than studies used

label claims 8000 mg/serving — above the range commonly used in research (studies typically use 500–2,000 mg/day of curcuminoids). Sources: NIH NCCIH — Turmeric, PubMed search: curcumin bioavailability piperine.

Caution

Unresolved public record

What is still missing05

We looked for these signals but could not settle them from public sources. A gap is not a strike.

Listing and photo-read panel need confirmation

The listing says 8 g, while our photo read produced Organic Turmeric Extract (20:1) at 400 mg per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label.

No data

“Lab tested” claimed, but no lab or report named

The listing claims third-party testing without naming any lab or certifier, so the claim can't be verified as stated.

No data

Research context is available for the listed ingredients

Published sources describe how turmeric / curcumin have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH NCCIH — Turmeric, PubMed search: curcumin bioavailability piperine.

No data

This item belongs to a catalog variation family

The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.

No data

180-day review-count history is on file

Exact-listing history records written-review counts from 1,116 on 2026-02-01 to 1,117 on 2026-05-27 (net +1). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.

No data

What to ask and check

What would settle the open questions

Why is this shown?
Everything we couldn’t verify is something a person can still ask about. Rather than leave gaps sitting as dead ends, we turn each one into a specific question — the exact document, citation, or number that would settle it — plus the things you can confirm yourself with the bottle in your hand.

Ask the brand or seller

1

Can you send the certificate of analysis (COA) for the lot number on my bottle?

A real COA names the testing laboratory, the test date, the lot it covers, and what was measured. “Third-party tested” with no document behind it is a marketing sentence.

2

Were the endorsing professionals compensated, and what exactly did they review?

An endorsement can be genuine and still not mean the product was tested. Ask whether they reviewed the formula, the manufacturing, or only the marketing.

Most brands and sellers publish a contact route. A clear answer adds evidence to the record; no answer leaves the question open.

Check for yourself — no one’s permission needed

1

Compare the panel on the bottle in your hand to the one shown in this record.

Ours was read from listing photos and can contain reading errors. The physical label is the source of truth — if they disagree, tell us and we’ll correct the record.

2

Scan the barcode on the package and confirm it reads 641871637553.

A mismatch between the barcode on the box and the one on the listing is worth pausing over — it can indicate a different variant, a repack, or a counterfeit.

3

Check the lot number and expiry on the bottle against any COA you’re given.

A certificate that doesn’t name your lot doesn’t describe what you’re holding.

These are the open questions on this specific record — not a warning about the product, and not a suggestion to buy or avoid it. Getting them answered is how you decide for yourself.

Record built July 23, 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.