Why does the body lack collagen?

Choose a location for your examination at

In Hanoi, Nutrihome Icon4 Cau Giay: No. 3 Cau Giay Street, Lang Thuong Ward, Dong Da District (next to the University of Transport and Communications)
Nutrihome Ha Dong: 3rd Floor, New SkyLine Building, Lot CC2, Van Quan - Yen Phuc New Urban Area, Van Quan Ward, Ha Dong District
Nutrihome Truong Chinh: 180 Truong Chinh Street, Khuong Thuong Ward, Dong Da District In Ho Chi Minh City, Nutrihome Hoang Van Thu: 198 Hoang Van Thu Street, Ward 9, Phu Nhuan District (next to Tan Son Nhat Hotel)
Nutrihome Le Dai Hanh: 1st Floor, Flemington Shopping Center, Bao Gia Building, 184 Le Dai Hanh Street, Ward 15, District 11

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