Factory review · Tosu, Japan
Toyo Shinyaku review
Japan’s FOSHU specialist, known for aojiru green-juice powders and fast launches.
Our verdict: 6.1 / 10
Japan’s FOSHU specialist, known for aojiru green-juice powders and fast launches.
Best forJapanese FOSHU and function-claim foods.
Strengths
- Deep Japanese health-claim experience.
- Fast launches.
- Factories in Tosu and Kumamoto.
Weaknesses
- No halal found.
- Japanese-language process.
Ranked in: #7 in 10 best supplement OEM manufacturers in Asia for new brands (2026)
Starting terms for a new brand
| Minimum order (MOQ) | On request |
|---|---|
| Samples / lead time | On request |
| Ready-to-brand formulas | Yes |
| Registration help | FOSHU and function-claim filings |
| Halal | Not found |
Key facts
| Founded | 1997 (third-party listing) |
|---|---|
| FOSHU | No.1 in approvals for 20 years (company-stated) |
| Launch | In as little as 3 months (company-stated) |
| Website | www.toyoshinyaku.co.jp/ |
Who Toyo Shinyaku is
Toyo Shinyaku makes powdered green-juice (aojiru), protein and functional foods in Tosu and Kumamoto, Japan, and says it has led Japan in FOSHU approvals for 20 years.
Our verdict
The pick for a Japan-made, claim-backed powder.
Certifications we checked
Verified = seen on an official or issuer-run register. Stated = claimed by the company, not independently confirmed.
- statedFOSHU approvals
Company-stated.
Sources
Disclosure: Run by people who work with one of the manufacturers listed. No listing is paid for, and every score is built from public registry data that you can check yourself. Spotted an error? hello@top10oem.com.