Extra Strong Herbal Capsules. This formula is an herbal supplement for men based on theories of traditional Tibetan health and science. It extract potent ingredients from natural herbs in Himalayas Mountains 4000m above sea level. It is made up of unique Qinghai tibet plateau native material. Increases stamina and maintains a sustainable erection Enhances performance Maximum Strength Herbal basis with no chemical substance Works in 30 mins No side effects