Tribulus 625 Review – Should You Use It?

By: Rob Miller
Fact Checked On: 8-6-2015

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Tribulus 625 Overview

There’s a lot of disagreement in the bodybuilding community over whether or not there’s any benefit to taking Tribulus Terrestris.

We’ll get into the details of that a little more later, but for now, we’re looking at the potential benefits and drawbacks of specifically taking Optimum Nutrition’s Tribulus 625.

Tribulus 625 ReviewWhat Is Tribulus 625?

Optimum Nutrition is a very well known and well respected brand, so whether or not you end up deciding to take Tribulus 625, you can know that it is what they say it is.

You don’ t have to worry about deceptive marketing or autoshipments, or any of that garbage.

Tribulus 625 is a straight forward Tribulus supplement that claims to provide all the benefits you might expect to get from taking this particular herb.

Those include:

  • Increase in nitric oxide and vasodilation, which translates to better pumps.
  • Increase in natural testosterone production.
  • Increase in libido.

Tribulus 625 Ingredients and How They Work

Tribulus Terrestris is the only active ingredient in Tribulus 625. It is thought to increase the body’s natural testosterone production process in a very specific way.

It signals to the pituitary gland to release an increased amount of Luteinizing Hormone.

The increased LH, then signals to the testes to produce and release more testosterone.

With more testosterone comes greater strength, stamina, muscle tone, and libido.

Tribulus 625 contains 625 mgs of combined Tribulus extract and powder., standardized to 40% Saponin content.

While Tribulus dosing information is scarce and often conflicting, this falls within the range of recommended daily doses.

Instructions are to take 1-2 Tribulus 625 capsules once per day.

We’ve also seen recommendations that the mid to late afternoon are the best times to take Tribulus.

Tribulus 625 Pros and Cons

Advantages of Tribulus 625

  • It’s very inexpensive.
  • There are plenty of favorable Tribulus 625 reviews from customers who’ve used it.
  • It’s made by a reputable company that doesn’t overhype the effects or benefits.

Disadvantages of Tribulus 625

  • There’s no real scientific evidence that Tribulus supplementation is helpful for humans.

    Most successful clinical studies have been performed on rats, without corroborating human evidence.

  • Overall, the reviews are mixed.

    Tribulus 625 seems to work well for some people, and not at all for others.

Where to Buy

You can purchase Tribulus 625 online through the Optimum Nutrition website as well as a few other retailers, like and

The ON website sells 100 capsules, which could last 3 months or more for $10.99 which is about the same price you’ll pay at’s price is $23.38 for a pack of 2 100-count bottles.


Tribulus 625 seems to help some guys with strength, stamina, pumps, and libido.

Other guys don’t feel a thing.

It’s cheap enough to try yourself, and since you’ll never know which category you fall into until you try, I recommend that you do.

Have You Used Tribulus 625?

Leave Your Review Below!

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Author: Rob Miller

Supplement Critique

Rob Miller founded over 7 years ago, and has been the chief editor ever since. He has a diploma in Advanced Dietary Supplements Advisor, and worked at GNC for 3 years. He KNOWS supplements, both inside and out. Rob currently resides in Jupiter, FL, with his wife of 4 years.  Learn more about him in his Bio here. Follow him on Twitter , Facebook, LinkedIn, or find him on Google +.