LookCloser.aipublic supplement evidence
Exact product checked · barcode not publishedWeightWorld · checked Aug 8, 2026 · on sale since Jul 7, 2020USPTO returned 2 exact supplement-class owner records · inspect the identity trail
Quick read · WeightWorld

WeightWorld Vitamin D3 4000 IU (100mcg) for Bone…

Checked against public sources on August 8, 2026 · LookCloser does not sell or recommend supplements.

400tablets
400servings per container

Does the marketing hold up?

Registered owner records: COMFORT CLICK LLC · COMFORT CLICK LTD. The public ownership record is ambiguous. We show the exact candidates instead of choosing one by name similarity.

Is the dose real?Panel read — dose not verified1 ingredient 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?USPTO lists 2 owner recordssame brand name, more than one registrant — we don’t choose between them
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 1 Tablet · 400 servings per container · Net Wt. 3.53 oz (100 g)

Vitamin D3 (as Plant based Cholecalciferol from Lichen)100 mcg

Printed on the package: Vegan · PREMIUM QUALITY INGREDIENTS · 100% Vegan

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

The public sources did not settle the marketing promises on this label.

Partly confirmed1

“& GLUTEN-FREE: Our vitamin d supplement is manufactured in GMP-approved facilities and is”

“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.

Evidence →

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.

Public contextWho is behind it?

Registered owner records: COMFORT CLICK LLC · COMFORT CLICK LTD

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: COMFORT CLICK LLC, COMFORT CLICK LTD. 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 finding
CheckedIs 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 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?

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.

🇺🇸COMFORT CLICK LLC

DELAWARE, USA; UNITED KINGDOM · Registration 6012731

19 Holly Cove Ln, Dover, DELAWARE 19901, UNITED STATES

Goods covered by this record

IC 005: Dietary and nutritional supplements; Dietary and nutritional supplements for endurance sports; Dietary and nutritional supplements used for weight loss; Dietary beverage supplements for human consumption in liquid and dry mix form for therapeutic purposes; Dietary fiber for treating constipation; Dietary fiber for use as an ingredient in the manufacture of dietary supplements; Dietary fiber to aid digestion; Dietary food supplements; Dietary pet supplements in the form of pet treats; Dietary supplement drink mixes; Dietary supplement for eliminating toxins from the intestinal tract; Dietary supplemental drinks; Dietary supplemental drinks in the nature of vitamin and mineral beverages; Dietary supplements; Dietary supplements for animals; Dietary supplements for controlling cholesterol; Dietary supplements for human beings and animals; Dietary supplements for human consumption; Dietary supplements for humans and animals; Dietary supplements for pets; Dietary supplements for pets in the nature of a powdered drink mix; Dietary supplements for treatment of claustrophobia; Dietary supplements for urinary health; Dietary supplements in the nature of weight loss powders; Dietary supplements with a cosmetic effect; Acai powder dietary supplements; Activated charcoal dietary supplements; Albumin dietary supplements; Alginate dietary supplements; Bee pollen for use as a dietary food supplement; Casein dietary supplements; Enzyme dietary supplements; Flavonoids for use as a dietary supplement; Flaxseed dietary supplements; Flaxseed oil dietary supplements; Folic acid dietary supplements; Ganoderma lucidum spore powder dietary supplements; Glucose dietary supplements; Green coffee bean extracts for use as dietary supplements; Ground flaxseed fiber for use as a dietary supplement; Ketogenic dietary and nutritional supplements; Ketogenic dietary and nutritional supplements used for weight loss; Ketone ester beverages for use as a dietary supplement; Khorasan wheatgrass for use as a dietary supplement; Lecithin dietary supplements; Lecithin for use as a dietary supplement; Linseed dietary supplements; Linseed oil dietary supplements; Natural dietary supplements; Natural dietary supplements for treatment of claustrophobia; Nutraceuticals for use as a dietary supplement; Nutritional and dietary supplements formed and packaged as bars; Pine pollen dietary supplements; Pollen dietary supplements; Powdered fruit-flavored dietary supplement drink mix; Propolis dietary supplements; Protein dietary supplements; Protein dietary supplements formed and packaged as bars; Royal jelly dietary supplements; Soy isoflavone dietary supplements; Soy protein dietary supplements; Vitamins and dietary food supplements for animals; Wheat for use as a dietary supplement; Wheat germ dietary supplements; Wheatgrass for use as a dietary supplement; Yeast dietary supplements.

🇬🇧COMFORT CLICK LTD

United Kingdom · Registration application / registration number not stated

UNIT 8, SEVENOAKS ENTERPRISE CENTRE, BAT & BALL ROAD, SEVENOAKS, KENT, TN14 5LJ, UNITED KINGDOM

Goods covered by this record

IC 005: Health food supplements; Vitamins; Dietary supplements for human consumption; Vitamin and mineral supplements; Mineral dietary supplements; Protein dietary supplements; Dietary supplemental drinks in the nature of vitamin and mineral beverages; Dietary supplements; Dietetic preparations adapted for medical purposes; Food supplements; Nutritional supplements.; IC 010: Massage apparatus; Massaging apparatus for personal use.

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 ↗

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

Open related seller leads before buying, then confirm the flavor, count, and serving size. Their prices are visible, but LookCloser does not claim savings until the pages share a UPC/GTIN.

Amazon

Submitted listing
$15.99

Lowest New observed via Keepa on 2026-08-08.

View on Amazon ↗

Brand website

Official storefront
No price confirmed

Open the brand storefront to search manually.

No defensible same-product page was saved from the brand catalog.

Check brand website ↗

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 to inspect the evidence?

The full report shows every source, the exact unresolved question, and the documentation that would settle it.

Read / share full evidence →

Record built August 08, 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.