Each “GP Test Suspension 100” milliliter contains a 100mg of Testosterone Base. GP GP Test Suspension 100 is available in a 10ml multi dose vial. (Aq Suspension) GP test Suspension is pure testosterone and has no ester attached, and thus no ester calculated in the weight. Where 100 mg of a testosterone ester equals 100 mg minus the weight of the ester, 100 mg of testosterone suspension contains an actual 100 mg of the steroid.