TONUSvit is a dietary supplement containing various vitamins, minerals, and herbal extracts that is intended to improve physical, mental, and sexual performance. It contains ingredients like vitamin D, B12, omega-3 fatty acids, coenzyme Q10, arginine aspartate, guarana, and maca that are claimed to boost energy, reduce fatigue, improve blood flow and muscle strength, and enhance mood and sexual function. The supplement is recommended to be taken once daily and is sugar-free.