Q'SAI N-Acetylglucosamine Z Powder Type 15.9g (530mg x 30 packets) (approx. 30 days' supply) Food with Functional Claims Only one packet used, Remaining 29 packets for sale. Purchased in 2025.11 Expiration date: 2027.3.12 When shipping, the box will be taken out and folded for sending. Food with Functional Claims Notification number: D66 Functional ingredient: N-Acetylglucosamine This product contains N-acetylglucosamine, which helps maintain joint cartilage (※) by suppressing the breakdown of joint cartilage components. ※ Joint cartilage is present in joints such as knees, hips, elbows, ankles, and fingers. Price reduction not possible. Simple packaging, Yuu Yuu Mercari delivery