Turkesterone is a naturally occurring ecdysteroid and the primary bioactive compound in the plant, Ajuga Turkestanica. Ecdysteroids are a group of compounds that are similar to androgens. Ecdysteroids are arthropod hormones that are responsible for molting and development. Because of their unique function and impact on muscle growth, they have become very popular among bodybuilders and athletes. 

Benefits of Turkestrone

• Natural
• Increase lean muscle mass
• Increase protein synthesis
• Faster recovery
• Increased strength

Turkesterone+ also includes added Ashwagandha & Black Pepper extract.
Ashwagandha has been used for centuries and has been found to reduce cortisol levels. Cortisol is the "stress hormone" in humans, and has been shown to have catabolic effects. 
Black Pepper is a source of piperine. It does not do much by itself but when taken with other supplements it can increase their absorption rates.