USN Testo Tribulus 100`sTesto Tribulus USN Testo Tribulus combines Tribulus terrestris and ZMA (zinc magnesium) to support normal testosterone levels. It increases muscle strength and helps prevent muscle loss. This Halaal certified product meets top standards for purity and quality. Recommended use Best taken at bedtime. During high intensity training, you can take an additional serving before training. The dosage can vary between 27 capsules a day, depending on the