A daily dose of niacin improves erectile function, particularly in men with high cholesterol, according to a 2011 study in The Journal of Sexual Medicine. The vitamin helps increase blood flow and reduce inflammation—one of the underlying causes of both high cholesterol and erectile dysfunction. “Vitamin B3 is also used to make sex hormones and other important chemical-signal molecules,” says Fisch. Like many of the others on our list, this tablet is most powerful when taken in conjunction with others: A cocktail of propionyl, L-carnitine, L-arginine, and niacin taken for three months improved 40% of erections in a study from researchers at Sapienza University of Rome in Italy.
Tribulus terrestris (6): this plant has long been used as a folk medicine in Eastern Europe and Bulgaria for sexual deficiency (5). The properties of this powerful ingredient have been associated with an increase in sperm production, sexual endurance, and testosterone levels. Also known as puncture vine, this herb has gained popularity over the past few years. Since testosterone plays a huge role for men, the addition of this herb can prove to be very beneficial. It is not a hormone as some believe. It is said that Tribulus terrestris can also help build muscle and strength, which enhances performance (5,7).
Muira puama (Ptychopetalum olacoides): although used in Asia, this potency wood is actually the best known Amazonian folk medicine which increases libido and penile hardness. It acts as a nerve stimulant to heighten receptiveness to sexual stimuli as well as physical sensation of sex (9). Rich in sterols e.g., sitosterol, campesterol and lupol it activates the body’s receptors for hormones like testosterone to heighten libido and enhance performance (5). Also present are volatile oils like champor which helps restore sex drive and inner depth of libido and mental ability to be aroused.
C borivilianum (family Liliaceae) is native to India. Analysis of C borivilianum root revealed a composition of 12% to 17% saponins, 1.9% to 3.5% stigmasterol, 0.79% arabinose, 3.8% galactose, 0.73% glucose and 0.78% rhamnose [31]. For dried root powder, the recommended dose is 5 g and the extract dose is 500 mg. It is used as an aphrodisiac and to cure ED, improve semen quality and volume. It eliminates premature ejaculation, improves general well-being and vitality, and increases stamina and libido. Visavadiya and Narasimhacharya [31] have demonstrated that administration of C borivilianum (0.75 g and 1.5 g root powder per rat per day for four weeks) to hypercholesteremic rats significantly increased highdensity lipoprotein cholesterol levels and decreased plasma and hepatic lipid profiles. Furthermore, the treatments also resulted in increased excretion of fecal cholesterol, sterols and bile and increased superoxide dismutase levels. Kenjale et al [32] evaluated the aphrodisiac and spermatogenic potential of the aqueous extract of dried roots of C borivilianum in rats. C borivilianum was given orally at doses of 125 mg/kg/day and 250 mg/kg/day. Viagra 4 mg/kg/day (sildenafil citrate) was administered as a control. Sexual behaviour was monitored 3 h later using a receptive female. Their sexual behaviour was monitored on days 1, 7, 14, 21 and 28 of treatment by pairing with proestrous female rats. For sperm count, the treatment was continued further in all groups except for the Viagra group for 60 days. At 125 mg/kg, C borivilianum had marked aphrodisiac action, as demonstrated by increased libido, sexual vigour and sexual arousal in the rats. Similarly, at the higher dose (250 mg/kg), all the parameters of sexual behaviour were enhanced, but showed saturation effect after 14 days. On day 60, the sperm count increased significantly in both the C borivilianum-treated groups (125 mg/kg/day and 250 mg/kg/day) in a dose-dependent manner. The administration of C borivilianum extract has been found to be useful for the treatment of premature ejaculation and oligospermia [32]. Supplementation with C borivilianum root 250 mg/kg/day and 500 mg/kg/day to streptozoticin-induced diabetic male rats for 28 consecutive days improved sperm morphology, and reduced oxidative stress and formation of free radicals [33]. In case of streptozotocin- and alloxan-induced hyperglycemia, the aqueus extracts from C borivilianum resulted in improved sexual performance compared with diabetic control [34,35].
A number of nonprescription products claim to be herbal forms of Viagra. Some of these products contain unknown amounts of ingredients similar to those in prescription medications, which can cause dangerous side effects. Some actually contain the real drug, which should be given by prescription only. Although the Food and Drug Administration has banned many of these products, some potentially dangerous erectile dysfunction remedies remain on the market.
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