N-TEST 600® Advanced Natural Testosterone Amplifier: N-Test 600® ADVANCED is jacked with 600 mg of Testofen®, the clinically studied amount necessary to support healthy free flow testosterone levels. N-Test 600® ADVANCED offers testosterone support naturally versus synthetically, providing all the positive bodybuilding results without the negative androgenic and estrogen-related side effects. Anabolic-Inducing Ingredients: N-Test 600® ADVANCED includes 10 mg of elemental Boron, 350 mg of Tribulus terrestris, and is reinforced with 150 mg of Smilax officinalis and 100 mg f Black Maca Root Powder. Synergistically, this superior formula supports increases in strength, size, lean muscle mass, and muscle hardness. Estrogen-Suppression Agent: N-Test 600® ADVANCED is loaded with 100 mg of Diindolymethane (DIM)designed to block estrogen, allowing for more free or active testosterone. Bioavailability: Delivered via liquid gels, N-Test 600® ADVANCED Features BioPerine® for increasing the absorption of the mass-building and strength-increasing ingredient necessary to achieve anabolic results. Z-TEST® Versatile Night-Time Anabolic Catalyst: Use Z-TEST® in conjunction with any testosterone supplement to fully support an increase in anabolic gains. Z-TEST® can also be used as a PCT (Post Cycle Therapy) after an intense on-cycle, specifically optimizing healthy testosterone levels at night while helping to restore your endocrine system back to its natural homeostasis. Additional Estrogen-Suppression Support: Z-Test's formulation is designed with anti-aromatase agents that aid in blocking estrogen, which helps to avoid the negative androgenic and estrogen related side effects commonly associated with natural or artificial sources of testosterone supplementation. Boosts Natural Growth Factor: Z-TEST® supports the release of more natural growth factor, which the body produces less of with age. Z-TEST® uses these growth factors to increase muscle hypertrophy, support lean body definition, and improve recovery. Restful Sleep: Z-Test's formulation also includes ingredients used to promote a more relaxing, restful & restorative sleep to aid recovery.