This product contains undenatured type II collagen. Undenatured type II collagen helps with the flexibility and mobility of the knee joint, and it has been reported to reduce discomfort in the knees and lower back in daily activities such as walking, going up and down stairs, squatting, sitting seiza-style (kneeling), and standing up from seiza or a chair. It also helps reduce discomfort in the lower back when turning over in bed, arching the back, and twisting the waist, and supports smooth walking and going up and down stairs. Expiration Date: 2028.08 Retail Price: Hiza Koshi Kenkogen (60 tablets) 6,280 yen (tax included) *May be deleted or canceled due to being listed on other sites. #Supplements #HealthFoods #FoodsWithFunctionClaims #Itadori (Japanese Knotweed) #EmuOil #Collagen #OintmentIngredients #Knees #LowerBack #Joints #Walking #HizaKoshiKenkogen #HerbKenkoHonpo