Lose excess pounds. VIAGRA improved these aspects of sexual function: frequency, firmness and maintenance of erections; frequency of orgasm; frequency and level of desire; frequency, satisfaction and enjoyment of intercourse; and overall relationship satisfaction. It is not recommended for use in Australia. The mean steady state volume of distribution Vss for sildenafil is L, indicating distribution into the tissues. Treatment can be more successful for you when you involve your partner. These results demonstrated that the effect of VIAGRA on the primary endpoint was statistically non-inferior to placebo. · A quick look at the best supplement products to help boost libido. Best with maca: NaturaLife Labs Maca. Best with ginseng: Pure Encapsulations Panax Ginseng. Best with L-citrulline: NOW Sports L. Sildenafil (Viagra, Revatio) is a moderately priced drug used to treat erection problems in is also used to treat pulmonary arterial hypertension, a serious heart and lung drug is more popular than comparable drugs. It is available in generic and brand versions. Generic sildenafil is covered by most Medicare and insurance plans, but . Sildenafil (Viagra) is a medicine used to treat erectile dysfunction (ED, also called impotence). Sildenafil works by helping to relax the blood vessels in the penis, allowing more blood to flow in and cause an erection. You should take sildenafil about an hour before planned sexual activity, so it has time to work.