H? tr? c?i thi?n ch?t l??ng và s? l??ng tinh trùng, giúp t?ng ?? ??c tinh d?ch c?ng nh? t?ng c??ng kh? n?ng v?n ??ng tinh trùng consider medicines referred to as "nitrates" (including nitroglycerin) use Avenue medicine termed "poppers" which inc