There are many products to choose from all claiming to raise testosterone and help build muscle. Nutrex raises the bar on testosterone boosting by bringing you T-UP Black.*
T-UP’s revolutionary Sodium D-Aspartic Acid has been suggested by scientific studies to help raise testosterone levels in healthy males on an average of 42% in just 12 days.*
T-UP Black is one of the meanest, strongest and baddest testosterone boosters this planet has ever seen.*
Get ready for a huge testosterone surge and support for big muscle gains with T-UP.* T-UP’s monstrous blend of extreme testosterone boosting compounds is already completely liquefied to help support rapid absorption and promote maximum results.*

- Support increases in testosterone by up to 42% in just 12 days*
- Experience support for significant muscle gains, strength increases and enhanced recovery*
- Where UNDERGROUND and science collide
Q & A
What is T-UP Black?
T-UP Black is our new and exciting UNDERGROUND testosterone booster.* T-UP Black’s revolutionary Sodium D-Aspartic Acid may help support increased testosterone levels in healthy males by an average of 42% in just 12 days.*
What's in T-UP Black?
As mentioned in the previous answer T-UP Black contains the powerful and scientifically supported testosterone-boosting compound Sodium D-Aspartic Acid.* Additionally, you will find the important co-factors Vitamin B6, Folic Acid and Vitamin B12 as part of this unique formula. These three essential vitamins have been suggested to enhance the body’s use of Sodium D-Aspartic Acid. However, T-UP Black does not stop there. We have further identified and added another extraordinary testosterone stimulating novel compound: Massularia Acuminata.* Massularia Acuminata has been suggested to exhibit androgenic properties in conjunction with its LH- and testosterone boosting characteristics.* This makes it an ideal addition for T-UP Black where you come to expect true UNDERGROUND strength and power.* Lastly, T-UP Black’s monstrous blend of extreme testosterone boosting compounds is already completely liquefied to help support rapid absorption and maximum results.*
How do I take T-UP Black?
T-UP Black should be taken daily. To experience a massive UNDERGROUND testosterone surge we suggest that you take 5 Black Liqui-Caps once per day between meals.
Do I need to cycle T-UP Black?
T-UP Black is best used in cycles. The testosterone boosting effects may build up over time.* The longer you use T-UP Black the more pronounced your results may be.* We suggest a maximum cycle length of 12 weeks followed by a 4 week off-period. Regular intense weight training combined with a high-protein diet will maximize the effects of this product.
How many servings are in T-UP Black?
T-UP Black contains 30 servings. Each serving consists of 5 liquid capsules.
Are there any stimulants or caffeine in T-UP Black?
No. T-UP Black does not contain any stimulants or caffeine.
Can T-UP Black be stacked with other supplements?
Absolutely! T-UP Black can be stacked with any supplement. For instance, to develop a lean and muscular physique T-UP Black can be stacked with LIPO-6 Black. Or you can combine T-UP Black with your favorite pre-workout product such as HEMO-RAGE Black. T-UP Black works especially well with high protein diets and protein powders. Be sure to get a container of our new UNDERGROUND protein Muscle Infusion Black and try it out with T-UP Black.*