DIESEL TEST Procycle

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DIESEL TEST® Pro-cycle is a combination of DIESEL TEST Hardcore, Coq DIESEL® and Raw Test™ in one product!

This is the strongest, most effective testosterone/libido booster on earth!

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THE DIFFERENCE BETWEEN PROCYCLE AND HARCORE: Diesel Test Procycle contains Yohimbe (Hardcore doesn’t), is not for sale or shipment outside the US and is recommended over Hardcore for those who are over 35 years old, in PCT, have used pro-hormones/pro-steroids in the past or those wanting the strongest legal test booster pound-for-pound available. Procycle contains DHEA (hardcore doesn’t) therefore daily DHEA intake per day must be limited to a certain maximum (mg) amount for some individuals that compete in some WADA tested organizations.

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LEGENDARY PERFORMANCE LEGACY: DIESEL TEST® Hardcore and DIESEL TEST® Procycle have dominated the test booster category for over 20 years, setting the gold standard for strength, potency, and real results.

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ADVANCED HORMONE SUPPORT SYSTEM: Features natural hormone precursors and advanced adaptogens that help drive energy, focus, intensity, and recovery for unmatched training performance.

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EXPLOSIVE TRAINING INTENSITY: Enhances workout aggression, strength, and endurance—leading to noticeable lean muscle mass gains and an improved muscle-to-fat ratio.

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MAXIMUM VALUE, MAXIMUM RESULTS: Each bottle contains 160 tablets; most users experience powerful results with just 3 tablets per day—outperforming typical legal test boosters.

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PURITY & POTENCY VERIFIED: Every batch is tested annually for label accuracy and screened for select banned hormones. Start with 1–2 tablets per day for the first 5 days—this formula is extremely potent.

 

DIESEL TEST® Procycle – Nothing Hits Harder with Better Results

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Very Potent! The Planet Muscle Magazine 2015 & 2016 Test Booster of the Year has been upgraded again — more power, more drive, and more results. DIESEL TEST® Procycle isn’t another “natural booster” knockoff — it’s the real deal, built for lifters, athletes, and competitors who demand performance you can feel from day one.

Get Diesel Nutrition took everything that made the original Diesel Test Hardcore legendary — then supercharged it by combining and adding Raw Test™ and CoQ Diesel® (libido booster) elements to create the most complete test booster available. No banned substances. No shortcuts. Just a legal, fully loaded formula engineered for maximum impact.

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For over 20 years, DIESEL TEST® Hardcore and DIESEL TEST® Procycle have dominated the test booster game — setting the standard for potency, purity, and results. These aren’t generic boosters; they’re proven, battle-tested formulas trusted by thousands of athletes worldwide.

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Where other products talk, DIESEL TEST® Procycle performs. From your first dose, you’ll notice sharper focus, stronger workouts, and that unmistakable alpha mentality that powers every rep, every set, and every goal. The unique DHEA + pregnenolone synergy supports optimal hormone balance and drive, while advanced adaptogens help manage cortisol so you stay locked in, lean, and powerful.

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By enhancing strength and training intensity, DIESEL TEST® Procycle helps promote lean muscle mass gains and a more favorable muscle-to-fat ratio. The result is a stronger, denser, more defined physique — and a mindset to match.

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The latest formula now includes 160 tablets per bottle — a massive value considering most users achieve outstanding results with just 3 tablets per day, far exceeding the effects of any other legal test booster.

Built on the Hardcore foundation and enhanced with the strength of CoQ Diesel® and Raw Test™, DIESEL TEST® Procycle is not a 10 + 10 = 20 product — it’s 10 × 10 = 100 results.

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Each tablet is crafted for purity, potency, and consistency — tested annually for label accuracy and screened for select banned hormones (see more information at the company website). DIESEL TEST® Procycle helps support strength, motivation, recovery, and confidence naturally — no banned ingredients, no post-cycle therapy required.

If you’re ready to move past average, it’s time to go Diesel.

 

DIESEL TEST® Procycle – The Strongest. Still the King.

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⚠️ WARNING: Start with 1 to 2 tablets daily for the first 5 days to assess tolerance. This product is potent. Do not exceed the recommended dosage without prior experience using DIESEL TEST® Hardcore or Procycle. Take the large dose for the day closer to when you wake up, not closer to bedtime.  

 

FDA Disclaimer

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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​The DIESEL TEST Pro-Cycle Difference:

 

 -Increase Total Testosterone 
-Increase Free Testosterone 
-Increase Libido (sex drive)  
- Increase Training Energy 
-Increase Training Aggression
-Increase Erection Hardness and Frequency 
-Decrease Bad Estrogen 
-Increased Muscle Hardness
-Decrease Cortisol (stress hormone)  
- Prevent excessive DHT production
-Increase Mood  
-Increase Motivation 
-Increase Drive 
-Increase Training Intensity 
-Increase Nitric Oxide 
-Improved Muscle to Fat Ratio 
-Less Fat in Mid-Section 
-Increased Strength/Power 
-Increased Endurance 
-Faster Recovery
-More Endurance 
-Faster Lean Muscle Mass Gains 
-Increased Mental Clarity 
-Reduced Stress 

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A "must have" during Post Cycle Treatment (PCT) for fast recovery of the Hypothalamic Pituitary Testicular Axis (HTPA).

Effective at all age groups from 18-90+ years old!

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Libido (sex drive) enhancing results as early as three hours after first dose!

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Signs of increased free testosterone levels usually within the first 72 hours of use (which include: increased mental focus, assertiveness, motivation, positive outlook, elevated mood, aggressive workouts and that "Alpha Male" mentality).

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Simply put DIESEL TEST Pro-Cycle will out-perform any test booster available at increasing total and free testosterone while reducing/controlling excessive estrogen, cortisol and prolactin production. 

 

** Please note this is a very effective testosterone and libido booster!  You may see a huge increase in aggression or you may become "short tempered" with a dosage over 6 tabs/day.  It is very probable that you will see a HUGE (and sometimes it maybe unbearable) increase in libido (sex drive).  If "extreme" results are unwanted, reduce your dosage to 4-6 tabs or less/day.

 

GUARANTEED NO OTHER LEGAL TEST BOOSTER IS MORE EFFECTIVE THAN PROCYCLE
WHEN USED AS DIRECTED PERIOD!

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*DIESEL TEST Procycle Stacks*

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 1) DTP with Raw Test for a large jump in test production (Extreme Double or Nothing Stack), works very well for those over 40 years old. Consumer 1 or 2 Raw Test with AM Procycle dose.

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2) DTP with DIESEL FUEL pre-workout for increased training intensity (3-4 DTP tabs with pre-workout dose of DIESEL FUEL).

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3) DTP with Coq DIESEL a potent libido boosting stack that also boost test levels. This is a great stack for PCT  (Take 2 Coq DIESEL AM with DTP and 1 Mid-day with DTP).

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Coq DIESEL®, NOS ETHER® and Ready4War® - Returning late 2026/2027

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4) DTP with Raw Test and Coq DIESEL for a three Kings stack.

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5) DTP with NOS ETHER for explosive strength, power, rock hard pumps and lean muscle mass gains. The strongest stack available for athletes or those on a low caffeine diet. This stack is also a strong libido booster.

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6) DTP with Ready4War (test boosting pre-workout caps) for the best test boosting/energy stack available.  

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Statements have not been evaluated by the FDA or Health Canada.  This product is not intended to prevent, treat or cure any disease.