An herbal sexual supplement packed with power, Stiff Nights combines over 20 different herbs and extracts to increase blood flow to the penis, helping to enhance erections and sexual satisfaction. Available in four different amounts, Stiff Nights is easy to try - simply pop a pill a half hour before sex and enjoy the benefits, which typically last anywhere from 36 to 72 hours. Stiff Nights should not be taken by anyone with a serious medical condition or those on prescription medications, especially those containing nitrates. Type: Sexual Supplement Size: 12 Pill Bottle Weight: 1 oz Ingredients: Yi Ye Cao, Huang Jing, Rou Gui, Tongkat Ali, Turnera Aphrodisiaca, Cayenne 40M H.U., Sheng Jiang, Bo He, White Willow Bark, Huang Qi, Wu Wei Zi, Hui Jiao Zi, L-Arginine Monohydrate, Arginine Alphaketoglutararte, Arginine Ketoiscoaproate, Cordyceps sinensis, Ganoderma lucidum, Lentiunula Edodes, Auricularia auricula, Spirulina, Chlorella, Spinach, Barely Grass, Wheat Grass, Dulse Leaf, Kelp, Alfalfa, Beet Root, Orange Peel, Dandelion Leaf, Lemon Peel, Ginkgo Leaf, Barley Flour, Magnesium Stearate, Hypromellose, Water, Vegetarian Capsule.