Andro Spray provides the most effective sustained release andro product on the market today. A constant level of testosterone increase can be maintained with easily with Andro Spray. This topical spray is the most efficient and reliable way of delivering a sustained release of Androdiol. What is in Andro Spray? Andro Spray is a specially filtered Androdiol alcohol spray containing pharmaceutical skin penetration enhancers. Each bottle has twelve grams of the finest Androdiol. AndrodiolÒ (4-androstenediol) offers the highest testosterone conversion of all the andros, without the downside associated with androstenedione*