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August 13, 2026
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KOBAYASHI PHARMACEUTICAL
JAPAN
/
Science & Health
Mar 5, 2026
Researchers uncover mechanism behind
beni k¨ji
health problems
Though it had been known that puberulic acid was behind the high-profile health scare in 2024 involving supplements, it was unclear how the substance damaged kidneys.
BUSINESS
/
Companies
Aug 4, 2025
Kobayashi Pharmaceutical chairman vows corporate culture reform
Kobayashi Pharmaceutical achieved net profit growth for over 20 years from its stock market listing until the
beni k§à?ji
scandal emerged last year.
BUSINESS
/
Companies
/
FOCUS
Jul 8, 2025
Despite leadership changes, Kobayashi Pharma still struggling with reform
The Osaka-based company has replaced its president twice and appointed an external chairman, seeking to reduce the influence of the founding family seen as a cause of the scandal.
BUSINESS
/
Companies
Jun 4, 2025
Kobayashi Pharmaceutical vows never to repeat health crisis
In March 2024, the drugmaker, based in Osaka, announced that it had received a series of reports about such symptoms as kidney disease from users of its supplements.
BUSINESS
/
Companies
Feb 11, 2025
Kobayashi Pharma logs first net profit drop since 1999 listing
The company¡¯s net profit plunged 50.5% in the aftermath of a health scandal involving its supplements, which emerged last year.
JAPAN
/
Crime & Legal
Jan 29, 2025
Hong Kong fund to sue former Kobayashi Pharma execs
The fund will seek a total of roughly ?11 billion in damages from former Chairman Kazumasa Kobayashi and six then-board directors.
JAPAN
/
Science & Health
Jan 8, 2025
Tainted beni k¨ji supplement linked to persistent kidney damage, study finds
The Osaka University study analyzed data from patients who reported health issues between late March and late April 2024.
BUSINESS
/
Companies
Dec 26, 2024
Hong Kong fund increases its stake in Kobayashi Pharmaceutical
Oasis Management said its stake in Kobayashi Pharmaceutical climbed to 10.1% from 7.5%.
BUSINESS
Sep 28, 2024
Kobayashi Pharma sued in Taiwan over beni k¨ji products
A group filed the lawsuit with the Taipei District Court against six firms including a Taiwanese unit of Kobayashi Pharmaceutical and an importer in Taiwan.
JAPAN
/
Science & Health
Sep 18, 2024
Puberulic acid confirmed as source of
beni k¨ji
health issues
The substance produced by blue mold was the cause of kidney problems suffered by consumers of the Kobayashi Pharma supplements, the health ministry said.
JAPAN
/
Society
Sep 1, 2024
Japan makes supplement health damage reports mandatory
The measure is aimed at enabling administrative authorities to quickly grasp related information and prevent the spread of health damage.
BUSINESS
/
Companies
Aug 14, 2024
Chinese shoppers¡¯ infatuation with Japanese brands wears thin
The backlash is reminiscent of last year¡¯s outcry over the Fukushima wastewater release
JAPAN
/
Society
Aug 14, 2024
Kobayashi Pharma fails to report 11 more suspected deaths
The 11 cases had been classified into a wrong category in the process of sorting out the inquiries made to its call center.
JAPAN
/
Science & Health
Aug 8, 2024
Kobayashi Pharma to withdraw from
beni k¨ji
product segment
The firm said it would offer compensation to those who suffered health problems linked to their products and prevent a recurrence of the incident.
JAPAN
/
Science & Health
Jul 23, 2024
Kobayashi Pharma¡¯s president and chairperson resign over health scandal
For the first time in its history, someone outside of the Osaka-based drugmaker¡¯s founding family will become its president.
JAPAN
/
Society
Jul 3, 2024
492 people hospitalized for ¡®beni k¨ji¡¯ supplements
Kobayashi Pharmaceutical says it has received consultations about a further 170 deaths possibly linked to its supplements.
JAPAN
/
Society
Jun 28, 2024
Dozens more deaths may be linked to Kobayashi Pharmaceutical¡¯s supplements
The ministry has instructed Kobayashi Pharmaceutical to create a plan to carry out a probe into the causal relationships between the deaths and their products.
JAPAN
May 31, 2024
Japan to overhaul foods with function claims system
The overhaul plan will make it mandatory for companies to promptly report health issues related to foods with function claims to authorities to prevent spread.
JAPAN
May 29, 2024
Two more unexpected compounds found in
beni k¨ji
supplements
The two compounds are believed to have been created by contamination of blue mold.
JAPAN
May 24, 2024
Mandatory reporting of ¡®functional food¡¯ health problems proposed
The Consumer Affairs Agency panel discussed reforms in response to health problems caused by Kobayashi Pharmaceutical supplement products.
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