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In one particular study, researchers gave a couple of dozen men aged between 27 and 37 a daily dose of 3.12 grams of D-aspartic acid for twelve days consecutively. Twenty other men were given a placebo. The testosterone level in the subjects that received the supplement had risen by 33% after the twelve days.
Take 3-4g of D-Aspartic Acid mixed with a beverage such as a protein shake. A common cycle would be to take this for 12-24 days and then come off for an equivalent length of time. For added effectiveness we recommend stacking with another testosterone booster.
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