Checked against public sources on August 2, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
🇨🇳 Brand owner: Hefei Wandanyou Technology Co., Ltd. (limited company (ltd.); CHINA) · other, CHINA. This tells you who is behind the brand and where the trademark record points. It does not by itself identify the manufacturer.
Headlines first. Open evidence only when you want the source trail.
A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.
Written reviews rose from 110 to 155 between July 7, 2025 and July 21, 2026. The largest rise inside any single 30-day window was about 24, so the count moved in steps rather than in one burst.
Locked evidence record →Open the full source-linked findingThese are evidence gaps, not strikes against the product.
Filed address
CHINA); Room 328, Shuangying Avenue, No. 777 Yulan Avenue, High-tech Zone, Hefei, Anhui, 230000, CHINA
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 ↗
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.
Only the submitted seller page is identity-certain. Other destinations are shown as leads until a shared UPC/GTIN confirms the exact product.
Lowest New observed via Keepa on 2026-08-03.
View on Amazon ↗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 ↗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 ↗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.
The full report shows every source, the exact unresolved question, and the documentation that would settle it.
Record built August 02, 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.