– Kh? n?ng g?p kim lo?i (metallic chelating): tro ?i?u tr? ng? ??c kim lo?i n?ngT?ng c??ng s?c kh?e sinh s?n ? nam gi?i, t?ng kh? n?ng di ??ng c?a tinh trùng.An mistake occurred when saving your problem. Please report it to the web site administrator. Added details:Selenium mang l?i công d?ng giúp h? tr? gi?m nguy c? m?c m?t s? b?nh ung th?, g