Laboratory tests were performed in between the courses to check if there were any marked discrepancies due to the recurrent use of the testosterone booster. The best way to take creatine supplements is in the form of creatine monohydrate. If you are particularly sensitive to creatine’s side effects, which can include nausea and cramping, consider supplementing with micronised creatine, which may be easier on the digestive system. Like zinc, magnesium is also a dietary mineral and a deficiency is also linked to lowered testosterone levels. Zinc and magnesium are crucial to testosterone production, and nuts and seeds will help you load up.