Potent Bulgarian Tribulus - Testosterone, Strength & Libido
- Utilizes Premium Bulgarian Tribulus
- May Support Healthy Testosterone Levels
- May Support Healthy Luteinizing Hormone (LH)
- May Support Sexual Health & Libido

Underground Labs Tribulus uses premium Bulgarian Tribulus in serious amounts aiming to support healthy luteinizing hormone levels, healthy testosterone and a healthy libido. Looking for a Tribulus that really works, one that contains a high level of active ingredients and does what it is supposed to do. Then Underground Labs Tribulus is for you.
Product Highlights
- World-class Bulgarian Tribulus – 55/1 Extract 22750mg per serve
- Bioperine added to increase the effectiveness
- May support healthy testosterone levels & libido
- Real-world results
- Convenient & handy capsule form
100% Money-Back Guarantee
Underground Labs make the world's best supplements & are so confident you'll be more than satisfied, offer a 100% money-back guarantee for any customer who is not. Tried it, was not satisfied, don't like it, simply return it. 100% money back. Guaranteed.
Underground Labs Tribulus
- What are the benefits of Underground Labs Tribulus?
The most common benefit sought by Tribulus users is the support of healthy libido or sex drive. Scientific studies show Tribulus may support this function in men and women who have a low sex drive. Tribulus may additionally offer other benefits.
- Does Underground Labs Tribulus enhance muscle mass?
No. Tribulus on it's own shall not promote muscle mass. There may be benefits when combined with regular resistance training & a healthy diet.
- Should I cycle Underground Labs Tribulus?
Yes. We recommend cycling UL Tribulus. There are numerous cycles that may be used including 5 days on 2 days off OR the more common being 12 weeks on 2-4 weeks off. We prefer the 12 week on cycle as believe taking a daily dose may yield better results.
- Is Underground Labs Tribulus safe?
We would regard Tribulus as a safe type supplement when taken as directed by healthy adults. Several studies using a variety of dosages have reported minimal side effects and no safety concerns.
- Is Underground Labs Tribulus suitable for women?
Yes. Underground Labs Tribulus is suitable for both women and men.
- How long before I can expect results from Underground Labs Tribulus?
UL Tribulus does begin working immediately. For benefits though to be noticed most users take between 7 and 14 days.
- When is the best time to take UL Tribulus?
Timing is not important except to say Underground Labs Tribulus for best results should be consumed daily without missing doses.
- I want something to help increase muscle mass. Should get Tribulus or Roids?
UL Tribulus is the highest quality Bulgarian Tribulus available, for those seeking a pure Tribulus it is perfect. UL Roidz however is the premium product of the two. Thus we'd recommend Underground Roidz if seeking the absolute best.
- Can I stack Tribulus with Underground Labs Roidz?
As Underground Labs Roidz has a high content of Tribulus already there is no need to stack the two together. Taking either Tribulus or Roidz individually is enough.
- Can I have caffeine at the same time as Tribulus?
Yes you can take Tribulus with stimulants including caffeine.

I am finding myself feeling more lethargic then before use. Hoping this changes with more use.
Satisfied customer.
Thank you