LookCloser.aipublic supplement evidence
Exact product checked · barcode not publishedVivaravida · checked Aug 3, 2026 · on sale since Sep 5, 2024🇬🇧 USPTO wordmark owner · Ronald Campbell · United Kingdom
Quick read · Vivaravida

DHT Blocker for Men

Checked against public sources on August 3, 2026 · LookCloser does not sell or recommend supplements.

90capsules · 30 servings

Does the marketing hold up?

Ingredient amounts are hidden inside “DHT & Scalp Proprietary Blend”. A blend total may be legal, but it prevents you from knowing whether any individual ingredient reaches a meaningful amount.

Is the dose real?Panel read — dose not verified7 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?🇬🇧Ronald Campbellindividual · United Kingdom
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 3 Liquid-Filled Capsules · 30 servings per container

Vitamin D3 (as Cholecalciferol)25 mcg
Zinc (as Zinc Gluconate)12 mg
Saw Palmetto Extract (Serenoa repens) (Fruit)400 mg
Lycopene (from Tomato (Solanum lycopersicum, Fruit))15 mg
DHT & Scalp Proprietary Blend400 mg
Hair Proprietary Blend200 mg
Energy & Body Protection Blend100 mg

Printed on the package: Vegan · Natural · Gluten Free · No Additives

We read 7 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

“with Biotin, our DHT hair blocker blocker for men helps to manage DHT levels and improve scalp wellness, directly addressing factors linked to…”

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.

Marketing language, not scored

SUPERIOR ABSORPTION

Quick read · 2 useful findings

What is worth knowing.

Headlines first. Open evidence only when you want the source trail.

Needs explanationIs the label honest?

Ingredient amounts are hidden inside “DHT & Scalp Proprietary Blend”

A blend total may be legal, but it prevents you from knowing whether any individual ingredient reaches a meaningful amount.

Evidence and sources

The panel lists “DHT & Scalp Proprietary Blend” (400 mg) as a combined amount. A blend total can’t tell you whether any single ingredient reaches a dose used in research.

Locked evidence record →Open the full source-linked finding
CheckedCan you trust the review pattern?

Reviews rose from 79 to 164 between July 14, 2025 and July 27, 2026 — no sudden jump.

A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.

Evidence and sources

Written reviews rose from 79 to 164 between July 14, 2025 and July 27, 2026. The largest rise inside any single 30-day window was about 36, 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?
🇬🇧
Ronald CampbellIndividual · exact supplement-class mark for VIVARAVIDA
Registration7687144
Registered2025-02-11
AssignmentsNo transfers recorded
Show the exact filed address in the full report
14 Thompsons Lane, MELDON, NE613TW, UNITED KINGDOM

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.

Background reading

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 12 mg of zinc per serving. Studies we found used 8 mg–40 mg a day, so this sits inside that range.

0studied 8 mg–40 mg

Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.

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
$38.99

Lowest New observed via Keepa on 2026-08-04.

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.

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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 August 04, 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.