Otsuka Pharmaceutical
The science behind Pocari Sweat — hydration, electrolytes and nutrition at scale.
A major Japanese company (Pocari Sweat, Kenja no Shokutaku) with hydration, electrolyte, and fiber products.
Brand facts
- Founded
- 1921
- Headquarters
- Tokyo / Tokushima, Japan
- Parent / operator
- Otsuka Holdings
- Origin
- Japan
About Otsuka Pharmaceutical
A major company straddling pharmaceuticals and nutrition. It dominates hydration, electrolytes and nutrition with Pocari Sweat, Calorie Mate and Kenja no Shokutaku, and also distributes Nature Made in Japan.
What sets Otsuka Pharmaceutical apart
Its unique strength is electrolyte/hydration science rooted in IV-fluid research, paired with mass-nutrition manufacturing.
Ingredient sourcing
Manages materials to both drug and food standards, engineering electrolyte balance and more.
Manufacturing & quality
Manufactured under strict quality systems including pharmaceutical GMP.
Certifications & testing
- Pharmaceutical GMP
- Foods with Function Claims / FOSHU (select products)
Signature products
- Pocari Sweat
- Calorie Mate
- Kenja no Shokutaku (fiber)
- Nature Made (Japan distribution)
Focus categories
- Hydration & electrolytes
- Fiber
- Nutrition foods
- Vitamins
Price positioning
Mid-range — priced for its track record and availability.
Where to buy in Japan
Available at convenience stores, drugstores, supermarkets, vending machines, Amazon.co.jp and Rakuten Ichiba.
Best for
Anyone who wants easy hydration, electrolytes and nutrition for exercise or daily wellness.
Things to keep in mind
Sports drinks contain sugar, so adjust the amount to your goal.
Frequently asked questions
What is Kenja no Shokutaku?
It is an Otsuka FOSHU product using indigestible dextrin (dietary fiber).
Prices are sample data. Check the retailer's site for the current price.