Health
When figuring outwhether to go for high repetitions and low weight, or vice versa, choose heavier weights. This will not increase muscle endurance as light weights but will increase testosterone more rapidly. Although you are lifting enough to limit your repetitions to about four to six per set, make sure you still do a sufficient number ofsets. Single sets of exercises can lead to marginal strength gains but it won't efficiently boost testosterone levels and increase testosterone naturally.
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