Yakult
The originator of the Shirota strain — a global pioneer of gut health.
A Japanese beverage and health-science company known for the Shirota strain — a global probiotics pioneer.
Brand facts
- Founded
- 1935
- Headquarters
- Tokyo, Japan
- Parent / operator
- Yakult Honsha Co., Ltd.
- Origin
- Japan
About Yakult
A Japanese company built on the Lactobacillus casei Shirota strain established by microbiologist Dr. Minoru Shirota (launched 1935). Globally known for the Yakult drink, it also offers Function-Claim supplements and cosmetics — a pioneer of probiotics research.
What sets Yakult apart
It has a one-of-a-kind base: its proprietary Shirota strain, nearly 90 years of research, and a home-delivery network (the Yakult Ladies).
Ingredient sourcing
Built around its own cultured and controlled Shirota strain.
Manufacturing & quality
Produced under the strict quality and hygiene systems of a major food company.
Certifications & testing
- FOSHU / Foods with Function Claims (select products)
- Domestic quality systems
Signature products
- Yakult 1000 / Y1000
- Yakult (probiotic drink)
- Probiotic supplements
Focus categories
- Probiotics
- Probiotic drinks
- Gut health
- Foods with Function Claims
Price positioning
Low-to-mid — value in a proprietary strain and research backing.
Where to buy in Japan
Available in supermarkets, convenience stores, home delivery (Yakult Ladies), Amazon.co.jp and Rakuten Ichiba.
Best for
People who want research-backed probiotics via drinks or Function-Claim products.
Things to keep in mind
The drinks contain sugar, and probiotic response varies between individuals.
Frequently asked questions
What is the Shirota strain?
Yakult's Lactobacillus casei Shirota — a strain researched to reach the gut alive.
Prices are sample data. Check the retailer's site for the current price.