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There are many products to choose from all claiming to raise testosterone and help build muscle. However, most products have no human studies with healthy males to support their claims. Now Nutrex raises the bar on testosterone boosting by bringing you T-UP Black.

The effects of T-UP's revolutionary Sodium D-Aspartic Acid are supported by science: In one study, the Sodium D-Aspartic Acid used in T-Up led to an average 42% increase in testosterone after only 12 days of use.†

T-UP Black is one of the meanest, cruelest and baddest testosterone boosters this planet has ever seen. Get ready for a significant testosterone surge and muscle gains with T-Up. Where underground and science collide!

T-UP - Underground Testosterone Booster
  • Study participants experienced a 42% testosterone increase in just 12 days
  • T-UP's Sodium D-Aspartic Acid is scientifically proven to raise testosterone in humans
  • Supports muscle gains, strength increases and recovery
  • Where UNDERGROUND and science collide

† Topo et al., 2009, Reprod. Biol. Endocrinol. 200, 7:120. Study lasted 12 days and showed an average increase of 42% in total testosterone levels. The effects of D-Aspartic Acid on free testosterone were not investigated. Although only free testosterone provides the muscle enhancement and other benefits associated with testosterone, many experts agree that an increase in total testosterone is accompanied by a similar increase in free testosterone. Swerdloff et al, 2000, J Clin Endocrinol Metabolism 85: 4500.

What is T-UP Black?

T-UP Black is our popular and exciting UNDERGROUND testosterone booster. The effects of T-UP's revolutionary Sodium D-Aspartic Acid are supported by science: In one study, the Sodium D-Aspartic Acid used in T-Up led to an average 42% increase in testosterone after only 12 days of use.†

How do I take T-UP Black?

T-UP Black should be taken daily. To experience a vicious UNDERGROUND testosterone surge we suggest a 10 day loading phase where you take 5 Black Liqui-Caps twice per day between meals. From day 11 on you can switch to the regular testosterone boosting protocol and simply take 5 Black Liqui-Caps once per day between meals.

Do I need to cycle T-UP Black?

T-UP Black should be used in cycles. Scientific evidence has shown that the testosterone boosting effects of Sodium D-Aspartic Acid build up over time. We suggest a full cycle length of 12 weeks followed by a 4 week off-period before you can jump on another 12 week cycle. Regular intense weight training combined with a high-protein diet will maximize muscle-building results.

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 help 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 Ultra Concentrate. When boosting testosterone we suggest to consume a high protein diet. Be sure to get a container of our very popular UNDERGROUND protein Muscle Infusion and try it out with T-UP.

Where can I find T-UP Black?

T-UP Black can be found at many progressive health food stores as well as your local Vitamin Shoppe, Vitamin World, GNC, Nutrex.com, and many websites nationwide.

† Topo et al., 2009, Reprod. Biol. Endocrinol. 200, 7:120. Study lasted 12 days and showed an average increase of 42% in total testosterone levels. The effects of D-Aspartic Acid on free testosterone were not investigated. Although only free testosterone provides the muscle enhancement and other benefits associated with testosterone, many experts agree that an increase in total testosterone is accompanied by a similar increase in free testosterone. Swerdloff et al, 2000, J Clin Endocrinol Metabolism 85: 4500.

DIRECTIONS FOR A VICIOUS UNDERGROUND TESTOSTERONE SURGE: Maximum Testosterone Loading Protocol Days 1-10: Take 5 Black Liqui-Caps twice per day between meals. Regular Testosterone Boosting Protocol Day 11 and on: Take 5 Black Liqui-Caps once per day between meals.

Scientific research has shown that the Sodium D-Aspartic Acid in T-UP can be stored in the body and continues to keep testosterone levels elevated for several days even after study participants stopped taking it, supporting the conclusion that the testosterone boosting effects of this product will build up over time.† We suggest that you take T-UP Black for at least 30 days.

This product is best used in cycles. A maximum cycle length is 12 weeks followed by a 4 week off-period. Regular intense weight training combined with a high-protein diet will maximize muscle-building effects.

† Topo et al., 2009, Reprod. Biol. Endocrinol. 200, 7:120. Study lasted 12 days and showed an average increase of 42% in total testosterone levels. The effects of D-Aspartic Acid on free testosterone were not investigated. Although only free testosterone provides the muscle enhancement and other benefits associated with testosterone, many experts agree that an increase in total testosterone is accompanied by a similar increase in free testosterone. Swerdloff et al, 2000, J Clin Endocrinol Metabolism 85: 4500.

150 Black Liqui-Caps
Serving Size: 5 Black Liqui-Caps
Servings Per Container: 30
Amount Per Serving % Daily Value
The Ultimate Underground Testosterone Boosting Complex 3127mg *
Sodium D-Aspartic Acid *
Massularia Acuminata *
Vitamin B6 100%
Folic Acid 100%
Vitamin B12 100%
*Daily Value not established
Other Ingredients: Glycerin, Vegetable Cellulose, Water, Polysorbate 80, FD&C Blue 1, FD&C Red 40, FD&C Yellow 6.

WARNING IMPORTANT MUST READ:Absolutely do not use if you are under 18 years of age, pregnant or nursing. Consult your physician before use if you have a medical condition or are taking any prescription drugs. Never exceed the recommended maximum dosage. This product contains ingredients that may be banned by some sports organizations. KEEP OUT OF REACH OF CHILDREN.

The statements on this label have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. As individuals vary so may results from using this product.

Tell Us What You Think!

Average Customer Rating

REVIEW SNAPSHOT®

by PowerReviews
Nutrex Research T-UP Black
 
4.8

(based on 37 reviews)

Ratings Distribution

  • 5 Stars

     

    (30)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Builds muscle (8)
  • Good value (6)
  • Boosts energy (5)
  • Quickens recovery time (5)
  • Strength gains (5)

Cons

    Best Uses

    • Everyday (7)
    • Before workout (5)
      • Reviewer Profile:
      • Competitive athlete (4)

    Reviewed by 37 customers

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    Displaying reviews 1-10

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    5.0

    Strong!

    By Mitch

    from Kabul, Afghan

    Verified Buyer

    Pros

    • Builds Muscle

    Cons

      Best Uses

      • Everyday

      Reviews about Nutrex Research T-UP Black:

      Have felt mucher stronger while taking this supplement.

      Comment on this review

      (1 of 1 customers found this review helpful)

       
      5.0

      THE BEST TEST BOOSTER I HAVE EVER TAKEN!

      By Jason The Jack Hammer

      from Miami, FL

      About Me Competitive Athlete, Weekend Warrior

      Verified Buyer

      Pros

      • Boosts Energy
      • Builds Muscle
      • Good Value
      • Quickens Recovery Time

      Cons

      • None

      Best Uses

      • Before Workout
      • Everyday

      Reviews about Nutrex Research T-UP Black:

      This Product is Amazing, Really...
      My bench press increased by 20 Pounds, and im not talking about my max, I mean my repping weight.
      Was able to put on about 7 pounds of lean muscle, I could see the Physical changes just about every day when I looked in the mirror. It added a little more than an Inch to my biceps.

      This product is truthfully AMAZING!!!

      Comment on this review

       
      5.0

      will go back and buy more

      By domo

      from Atlanta, GA

      About Me Competitive Athlete

      See all my reviews

      Verified Reviewer

      Pros

      • Boosts Energy
      • Builds Muscle
      • Good Value
      • Quickens Recovery Time

      Cons

        Best Uses

        • Everyday

        Reviews about Nutrex Research T-UP Black:

        Nutrex T-UP Black is the strongest Testosterone Supplement out there right now i been on this for 4 weeks and already see a change in my body and my weightlifting. i was at 250 on bench press to now 320 this stuff works no joke

        Comment on this review

         
        5.0

        Strong Like Mountain

        By musclebob

        from Afton IA

        About Me Novice Bodybuilder

        See all my reviews

        Verified Reviewer

        Pros

        • Boosts Energy
        • Builds Muscle
        • Good Value
        • Increased endurance
        • Increased sex drive
        • Increased stamina
        • Quickens Recovery Time

        Cons

          Best Uses

          • After Workout
          • Before Workout
          • During Workout
          • Everyday

          Reviews about Nutrex Research T-UP Black:

          T-UP Black Is An Amazing Supplement...On Day 5 Of The Underground Dosing Protocol My Testosterone Was Definitely Boosted...My Strength, Endurance, Stamina, Sex Drive, Recovery Time Was All Increased..And After I Finished My First Bottle I Was Soo Much Bigger, Fuller And Strong Than I Was Before Taking T-UP...

          Comment on this review

           
          5.0

          IN LOVE <3

          By Pat

          from staten island ny

          About Me Live for the gym, Workout 5 days a week

          Pros

          • Builds Muscle
          • Good Value
          • Quickens Recovery Time
          • Quick results

          Cons

          • Too many pills

          Best Uses

          • After Workout
          • Before Workout
          • During Workout
          • Everyday

          Reviews about Nutrex Research T-UP Black:

          Awesome product! I take 4 pills in the am and 4 pills in the evening. Crazy fast results. Can make you alittle mad at times but how can you boost testosterone and not lol. This is my first and last testosterone booster, it is that good. Try it now!

          Comment on this review

          (1 of 1 customers found this review helpful)

           
          4.0

          not tired anymore

          By mondito

          from tucson az

          About Me Rarely Work Out, Weekend Warrior

          Verified Buyer

          Pros

          • Boosts Energy
          • Builds Muscle
          • Good Value
          • Quickens Recovery Time

          Cons

          • To many pills at 1 time

          Best Uses

          • Before Workout
          • Everyday

          Reviews about Nutrex Research T-UP Black:

          pumps you up every morning I don't have that 2:30 filling anymore

          Comment on this review

          (0 of 1 customers found this review helpful)

           
          5.0

          T-UP

          By Anthony A Wilson

          from Whittier Ca

          About Me Competitive Athlete

          Verified Reviewer

          Pros

          • Boosts Energy
          • Builds Muscle
          • Good Value

          Cons

            Best Uses

            • Before Workout

            Reviews about Nutrex Research T-UP Black:

            I started using T-UP to help with my strength and to put on some mass. I'm halfway through my second bottle and can say that I'm satisfied with what I've got so far. Strength on bench has gone up about 20lbs and my arms, back, and chest are looking bigger. I would recommend T-UP.

            Comment on this review

            (1 of 1 customers found this review helpful)

             
            5.0

            The item is great.

            By Denn

            from Morrison, CO

            About Me Competitive Athlete

            Verified Buyer

            Pros

            • Tasty

            Cons

              Best Uses

              • Everyday

              Reviews about Nutrex Research T-UP Black:

              That it is good for you and also great for you.

              Comment on this review

              (1 of 1 customers found this review helpful)

               
              5.0

              Amazing Product!

              By Rage

              from Newport, NH

              About Me Eat healthy, Workout 5 days a week

              Verified Buyer

              Pros

              • Builds Muscle
              • Makes you big

              Cons

              • Lots of pills to take

              Best Uses

              • To gain musscle
              • To get big

              Reviews about Nutrex Research T-UP Black:

              This product has helped me increase my chest size a lot! great product! The only con I have about it is, that you have to take 5 pills a day and 10 pills on the loading day. It would be awesome if they could make this into one pill instead of the 5. But deff worth the money

              Comment on this review

              (1 of 1 customers found this review helpful)

               
              5.0

              T-Up and away!

              By faulkner

              from erie, pa

              Verified Buyer

              Pros

              • Good results
              • Increased vascularity

              Cons

              • Taking 5 pills

              Best Uses

              • Strength increaser
              • Test booster

              Reviews about Nutrex Research T-UP Black:

              Very good product overall with beneficial results. Seems to increase strength and stamina along with vascularity. Only downfall is taking 5 pills at one serving, especially if you have trouble swallowing pills. Overall a good product and would certainly recommend to anyone as i would also try and buy again!

              Comment on this review

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