ribulus terrestris may offer benefits for libido, blood sugar control, and heart health, though its effects on testosterone and athletic performance are not well-supported by research in humans. The plant has been used for centuries in traditional medicine systems like Ayurveda and Traditional Chinese Medicine.
Sexual function and libido
- Enhanced sexual desire: Some studies suggest that taking Tribulus terrestris may increase sexual desire in both men and women with low libido.
- Improved erectile function: Research into its effectiveness for erectile dysfunction (ED) is mixed. Some studies show that higher doses may lead to improvements in erections and sexual satisfaction in men with ED, though not all studies show a significant effect.
- Fertility: The herb may help improve certain parameters of fertility, such as sperm motility.
Blood sugar and cholesterol
- Lowered blood sugar: A study involving women with type 2 diabetes found that those taking 1,000 mg of Tribulus terrestris daily for three months experienced lower blood sugar levels compared to a placebo group.
- Reduced cholesterol: The same study also found that the supplement helped lower cholesterol levels in participants with type 2 diabetes.
Other potential benefits
- Diuretic properties: The plant may act as a diuretic, increasing urine production. This could help lower blood pressure by reducing blood volume, though more research is needed.
- Antioxidant effects: Test-tube studies indicate that Tribulus terrestris has antioxidant properties, which can help protect cells from damage.
- Anti-inflammatory effects: Some test-tube research suggests the herb has anti-inflammatory properties.
Benefits without robust evidence
Some purported benefits of Tribulus terrestris are not supported by strong scientific evidence, particularly in humans:
- Testosterone boost: Despite being marketed as a testosterone booster, multiple studies in men and women have shown no significant increase in testosterone levels after taking Tribulus terrestris supplements.
- Athletic performance and muscle mass: Research has not found evidence that the supplement helps increase muscle mass, decrease fat, or improve exercise performance in active individuals more than a placebo.
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