Here's how you combine them: Take 300 - 400 mg of caffeine anhydrous with 600-1000 mg of green tea extract standardized for EGCG, once in the morning and one - hour pre-workout. (fitnessandpower.com)
Some of the effect seemed to be related to applying a very high concentration of anhydrous ammonia in a narrow band (results from Iowa, Breitenbeck and Bremner, 1986). (usask.ca)
This product contains optimum levels of glutamine for recovery, Beta - Alanine and Creatine Monohydrate for increased strength and endurance as well as Betaine Anhydrous for increased size as well as power. (theathleticbuild.com)