Japan· JP-3131002F1012
リボフラビン酪酸エステル
A riboflavin (vit b2) product containing リボフラビン酪酸エステル, registered in Japan, on the national reimbursement list. The same ATC class is registered in 5 of our 19 countries.
Checked against MHLW / PMDA (Japan) on
Informational only — not a medical device.
Where it is registered
Riboflavin (vit b2) is registered in 5 of 19 countries.
Countries holding a registration under ATC A11HA04 (riboflavin (vit b2)), each read from that country’s own register.
- This record: Japan, from MHLW / PMDA (Japan)
- 4 of them publish a price we can compare per daily dose
Riboflavin (vit b2) · ATC A11HA04
5 / 19 countries
- Finlandprice
- Japan
- Norwayprice
- Polandprice
- Switzerlandprice
The record
At a glance
MHLW / PMDA (Japan)- Active substance
- リボフラビン酪酸エステル
- Manufacturer
- —
- Country
- Japan (JP)
- ATC code
- A11HA04
- ATC class
- Riboflavin (vit B2)
- Reimbursed
- Yes
- Source register
- MHLW / PMDA (Japan)
- Last checked
- October 2, 2026
Packs & prices · 0
No packs listed by the register for this record.
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Same class
Other records under A11HA04
Riboflavin (vit b2), as other registers publish it.
- NorwayB2 Riboflavin windmillWindmill Health Products
- FinlandRiboflavinOrion Corporation Orion Pharma
- NorwayRiboflavin natures wayNature's Way
- NorwayRiboflavin natures wayNature's Way
- FinlandVita-B2Vitabalans Oy
- NorwayVitamin B2 streuliStreuli
- SwitzerlandVitamin B2 Streuli, DragéesStreuli Pharma AG
- SwitzerlandVitamin B2 Streuli, DragéesStreuli Pharma AG
Sourced from a public register and reproduced with attribution. Drug Database is not affiliated with, endorsed by, or a partner of MHLW / PMDA (Japan). This is an informational data service and not a medical device — verify against the official source of record before any clinical decision.
For developers
The same record over the API, and the raw payload
GET /v1/drugs/c50769ba-87e1-47bb-b5d8-67705b6fb003 GET /v1/drugs/c50769ba-87e1-47bb-b5d8-67705b6fb003?format=fhir
Every response carries last_synced_at, so freshness is a field rather than a promise. Below is exactly what the ingestion wrote, before any presentation — the same JSON the API returns under payload.
{
"spec": "２０ｍｇ１錠",
"marks": null,
"source": "mhlw",
"remarks": null,
"yj_code": "3131002F1012",
"category": "内用薬",
"price_yen": 6.3,
"generic_name": "リボフラビン酪酸エステル",
"product_name_jp": null,
"therapeutic_class": "3131",
"transitional_expiry": null
}See everything about riboflavin (vit b2).
This page is the registration. A free account adds the label text as the regulator wrote it, what it costs per daily dose across the markets that publish a price, a feed of what changes in the registers, and an assistant that answers with its sources. Interaction severity is free; mechanism and management are on the Growth plan. No card, nothing to install.