A serving (4 capsules) before breakfast and lunch. Drinking 8 to 10 glasses of water daily for general good health. Attention: Do not exceed 2 nucific bio x4 servings (8 capsules) in a 24 hour period. Performance: Container 168 capsules. Testosterone supplements are subject to prescription drugs, although in some countries may be acquired freely, intended to treat deficiencies of testosterone, a steroid hormone androgen .