An mistake happened when preserving your concern. You should report it to the website administrator. Added details:T?ng l??ng nitric oxyd c?n thi?t giúp cho bàng quan giãn t?t h?n, t?ng kh? n?ng ch?a ??ng n??c ti?u, c?i thi?n tình tr?ng co th?t ???ng ti?t ni?u.?? th?c ph?m ch?c n?ng b?o v? s?c kho? V??ng Ni?u ?an c?i thi?n ch?ng r?i lo?n ti?u t