Kentai
A pioneer of Japanese protein with over 40 years of history.
Kenkotairyoku Kenkyujo's long-established sports-nutrition brand, known for CFM whey and a long track record.
Brand facts
- Founded
- 1978
- Headquarters
- Tokyo, Japan
- Parent / operator
- Kenko Tairyoku Kenkyujo Co., Ltd.
- Origin
- Japan
About Kentai
Founded in 1978, a pioneer of Japanese sports nutrition that grew alongside the country's bodybuilding culture, sustaining a loyal following with dependable products such as CFM-process whey.
What sets Kentai apart
Its edge is heritage and hard-won trust in the gym — chosen for dependability over flash.
Ingredient sourcing
Uses process-conscious materials such as CFM (cross-flow microfiltration) whey.
Manufacturing & quality
Manufactured under domestic quality-control systems.
Certifications & testing
- Domestic quality-control systems
Signature products
- Power Body 100% CFM Whey
- Weight Gain
- Amino acids
Focus categories
- Protein
- Weight gainers
- Amino acids
- Sports nutrition
Price positioning
A mid-range, long-established brand.
Where to buy in Japan
Available in sporting-goods stores, drugstores, Amazon.co.jp and Rakuten Ichiba.
Best for
Users who want a proven Japanese brand for the long haul, including those bulking up.
Things to keep in mind
Flavor variety is modest compared with newer brands.
Compare products
Compare Kentai products against other brands by ingredient.
All Kentai products
Frequently asked questions
What is CFM whey?
Cross-flow microfiltration — a gentle filtration process for concentrating whey protein.
Prices are sample data. Check the retailer's site for the current price.