Tribulus terrestris has been used for centuries in ancient Greece, India and Africa to support fertility and rejuvenate the body. Recent scientific studies indicate that, although it actually contains no hormones, Tribulus helps to support healthy hormone production and male reproductive health. Tribulus has been used by some of the world's most elite athletes, but may be used by the recreational athlete as well. Our minimum 45% saponin content makes NOW Tribulus one of the most potent formulas available.

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Tribulus (NOW) - Average rating 4.9 (8 reviews)  - Write a review Show Reviews Reviews (7) (1) (0) (0) (0) See all 8 reviews   16 of 17 people found the following review helpful. March 27, 2007 Reviewer: Michael in North Carolina It is available in large, 1000 mg tabs; cost per mg is less than others; potency is good (45%). I have best results taking two 1000 mg tabs on empty stomach before the weight lifting workout. The next morning, I am much less fatigued after stressing the body from resistance training with Tribulus. Without Tribulus, I believe my testosterone level decreases following resistance training. (The "rise" the next morning after a Tribulus supplemented workout is dramatically "pronounced" as compared to the "droopy" experience at dawn without using a Tribulus supplemented workout.) This review is specific to Tribulus, 1000mg Was this review helpful to you? Yes  No 1 of 1 people found the following review helpful. January 04, 2009 Reviewer: Kyle in South Dakota I have past that muscle strength-prime of 35 years old. This helps my body boost out as much testosterone as I can. This product is cost effective. Was this review helpful to you? Yes  No December 23, 2010 Reviewer: GABRIEL in Greece the best tribulus product ever .hands down. This review is specific to Tribulus, 1000mg Was this review helpful to you? Yes  No November 15, 2010 Reviewer: William in Washington Male 48 yrs. I've used various Testosterone boosters and this is by far the best value and works exceptionally well. Great to add energy in general and keep things as active as they were years back. Was this review helpful to you? Yes  No November 01, 2010 Reviewer: Brian in Georgia When I look for a sports nutrition supplement, I have 4 main criteria. 1. It has to be effective 2. Been tested enough to show that it does not damage the body in some way long-term 3. It has to be simple to use 4. Cost-effective The NOW Tribulus product meets all of the above. Tribulus has been used in natural forms for centuries in Asia, so the risk of long-term use is well-known, and not an issue. This product has 45% sarponins, which is the active ingredient that increase your natural testosterone output, so it is very effective. All you have to do is take 1-2 capsules per day and that's it. No annoying schedules, measuring or mixing to deal with. This review is specific to Tribulus, 1000mg Was this review helpful to you? Yes  No See more reviews