Because herbal supplements aren't subject to the same rigorous standards as are prescription and over-the-counter medications, it isn't possible to endorse any of these so-called "herbal Viagra" products as safe.
Sildenafil (Viagra) is a prescription medication used to treat erectile dysfunction. It works by increasing blood flow to the penis when a man is sexually aroused.
Many herbal products marketed as sexual stimulants claim to be "natural versions" of Viagra — but they aren't the same as the prescription drug. Some contain substances (vasodilators) that improve blood flow by relaxing the walls of blood vessels. But no herbal products are as specific for blood vessels to the penis as Viagra and other similar prescription drugs are. As a result, these herbal remedies may cause generalized low blood pressure and restrict blood flow to vital organs.
One popular herbal medicine called yohimbe — which is marketed as a sexual stimulant — can be dangerous if used in excessive amounts. If you have erectile dysfunction, see your doctor to discuss proven treatment options.
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