Tribulus (120 Caps) by Ronnie Coleman

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Ronnie Coleman Tribulus (120 Serve)


  • For an optimal muscle building environment in your body

  • Increased libido that will make you a real bull outside the gym

  • Completely safe and natural

Environmental influences, a reduced function of your body’s own regulatory processes starting at an age of 30 and many other factors can impair the optimal muscle-building environment in your body and reduce you gains of size and strength. Tribulus XS contains Tribulus Terrestris of the highest quality – a herbal active ingredient that has been used successfully by millions of bodybuilders for over 30 years.


what is Tribulus ?


Tribulus terrestris is a small leafy plant. It’s also known as puncture vine, Gokshura, caltrop and goat’s head (1).

It grows in many places, including parts of Europe, Asia, Africa and the Middle East (2Trusted Source).

Both the root and fruit of the plant have been used medicinally in Traditional Chinese Medicine and Indian Ayurveda medicine (3Trusted Source).

Traditionally, people have used this plant for a variety of potential effects, including to enhance libido, keep the urinary tract healthy and reduce swelling (3Trusted Source).

Today, Tribulus terrestris is widely used as a general health supplement, as well as in supplements that claim to increase testosterone levels (4Trusted Source).


t May Affect Heart Health and Blood Sugar

Although people often take Tribulus terrestris for its potential effects on sexual function and testosterone, it has also been studied for other important effects.

One study examined the effects of taking 1,000 mg of Tribulus terrestris per day in 98 women with type 2 diabetes.

After three months, women taking the supplement experienced lower blood sugar and cholesterol levels, compared to those who took a placebo (5Trusted Source).

Animal studies have also shown that Tribulus terrestris may reduce blood sugar levels, help protect against blood vessel damage and help prevent increases in blood cholesterol (6, 7Trusted Source).

While these findings appear promising, more research is needed before this plant can be recommended for these health benefits.

SUMMARY:Preliminary evidence shows that Tribulus terrestris may improve blood sugar control and cholesterol in people with diabetes. However, research in humans is limited.

It Doesn’t Boost Testosterone in Humans

A quick online search for Tribulus terrestris supplements shows that many products made with the plant are focused on boosting testosterone.

One review analyzed the results from 12 major studies on the plant’s effects in men and women aged 14–60. The studies lasted from 2–90 days, and the participants included healthy people and those experiencing sexual problems.

The researchers found that this supplement did not increase testosterone (4Trusted Source).

Other researchers found that Tribulus terrestris may increase testosterone in some animal studies, but that this result is not usually seen in humans (8Trusted Source).

SUMMARY:Despite marketing claims, Tribulus terrestris does not appear to increase testosterone in humans. This conclusion is based on studies in men and women of various health statuses and ages.

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Tribulus Terrestris May Enhance Libido

Even though this supplement may not increase testosterone, it may boost libido.

Some researchers found that when men with reduced sex drives consumed 750–1,500 mg of Tribulus terrestris daily for two months, their sexual desire increased by 79% (4Trusted Source, 9Trusted Source).

Also, 67% of women with very low libidos experienced increased sexual desire after they took supplements of 500–1,500 mg for 90 days (4Trusted Source).

Other studies have also reported that supplements containing the herb enhanced sexual desire, arousal and satisfaction in women with low libido (10Trusted Source).

However, studies in men with erectile dysfunction have yielded mixed results.

Some research shows that taking 800 mg of this supplement per day may not effectively treat erectile dysfunction (11Trusted Source).

However, other reports showed significant improvements in erections and sexual satisfaction with a dose of 1,500 mg per day (12Trusted Source).

While it seems that Tribulus terrestris may improve libido in women and men, more research is needed to clarify the extent of the sexual effects of this supplement.

SUMMARY:Research has found that Tribulus terrestris may improve libido in women and men with reduced sex drives. Studies on the herb as a treatment for erectile dysfunction have shown mixed results, with higher doses appearing to be more beneficial.

It Doesn’t Improve Body Composition or Exercise Performance

Active individuals frequently take Tribulus terrestris supplements to improve their body composition by increasing muscle or decreasing fat (13Trusted Source).

This may be partly due to the herb’s reputation as a testosterone enhancer, though research shows it may not actually live up to these claims.

In fact, research is also very limited on whether the plant improves body composition or performance in active individuals and athletes.

One study examined how Tribulus terrestris supplements affected the performance of elite male rugby players.

The men took the supplements during five weeks of weight training. However, by the end of the study, there were no differences in improvements in strength or body composition between the supplement and placebo groups (14Trusted Source).

Another study found that eight weeks of taking this supplement with an exercise program did not improve body composition, strength or muscle endurance more than a placebo (15Trusted Source).

Unfortunately, no research is available on the effects of Tribulus terrestris in exercising women. However, it’s likely that these supplements would also be ineffective in this population.

SUMMARY:Tribulus terrestris does not seem to increase muscle, decrease fat or improve exercise performance more than a placebo.

Other Potential Effects

In addition to the potential health effects discussed already, Tribulus terrestris may have several other effects in the body:

  • Fluid balance: This plant may act as a diuretic and increase urine production (16Trusted Source).
  • Immune system: Immune system activity in rats has been shown to increase when they are given this supplement (17).
  • The brain: As part of a multi-ingredient supplement, Tribulus terrestris may have antidepressant effects in mice (18Trusted Source).
  • Inflammation: A test-tube study showed possible anti-inflammatory effects (19).
  • Pain relief: High doses of this supplement may provide pain relief in rats (20Trusted Source).
  • Cancer: Test-tube research has shown a possible anti-cancer effect of Tribulus terrestris (21Trusted Source).

However, almost all of these effects have only been studied in animals or test tubes, and even then, the evidence is very limited (3Trusted Source).

Much more research, both in animals and humans, is needed to find out whether Tribulus terrestris has these effects.

SUMMARY:Although many people speculate about the health effects of Tribulus terrestris, there is very limited support for many of these claims. Much of the existing research has been conducted in animals or test tubes, not humans.

Dosage, Safety and Side Effects

Researchers have used a wide variety of doses to assess the effects of Tribulus terrestris.

Studies investigating its potential blood sugar-lowering effect used 1,000 mg per day, while research examining libido enhancement used doses from 250–1,500 mg per day (4Trusted Source, 5Trusted Source).

Other studies prescribed dosages relative to body weight. For example, several studies have used doses of 4.5–9 mg per pound (10–20 mg per kg) of body weight.

So, if you weighed about 155 pounds (70 kg), you might take a dose of 700–1,400 mg per day (4Trusted Source).

If you’re interested in trying Tribulus terrestris supplements, a wide selection is available on Amazon.

Saponins in Tribulus Terrestris

Saponins are chemical compounds in Tribulus terrestris, and they are thought to be responsible for its health benefits.

Many supplements list the dose along with the percentage of saponins, which refers to the amount of the supplement that is made up of these compounds.

It is common for Tribulus terrestris supplements to contain 45–60% saponins. Importantly, a higher percentage of saponins means that a lower dose should be used, as the supplement is more concentrated.

Minimal Side Effects

Several studies using a variety of dosages have reported minimal side effects and no safety concerns (12Trusted Source, 22Trusted Source).

Uncommon side effects include minor stomach cramps or reflux (10Trusted Source, 12Trusted Source, 22Trusted Source).

However, a study in rats raised the concern of potential kidney damage. Also, one case of toxicity associated with Tribulus terrestris was reported in a man who took it to prevent kidney stones (23Trusted Source, 24Trusted Source).

Overall, the majority of studies do not show that this supplement has harmful side effects. However, it is important to consider all the potential risks and benefits.

If you want to use Tribulus terrestris, make sure you discuss the appropriate dose with your healthcare provider.

SUMMARY:Most studies have reported that Tribulus terrestris does not cause major side effects. However, stomach cramps are an occasional side effect, and limited evidence has shown a potential risk of toxicity.

The Bottom Line

Tribulus terrestris is a small leafy plant that has been used in traditional Chinese and Indian medicine for many years.

While it has a long list of potential health benefits, many have only been studied in animals.

In humans, there is some evidence that it may improve blood sugar control and cholesterol levels in people with type 2 diabetes.

And although it doesn’t increase testosterone, Tribulus terrestris may improve libido in men and women.

However, it won’t improve body composition or exercise performance.

While most research shows that this supplement is safe and causes only minor side effects, there have been isolated reports of toxicity.

As with all supplements, you should consider the potential benefits and risks before taking Tribulus terrestris.


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