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Monster Plexx The Ultimate Five In One Prohromone Powerhouse

Monster Plexx The Ultimate Five In One Prohromone Powerhouse

A Detailed Breakdown of Innovative Labs Monster Plexx

Monster Plexx by Innovative Labs, a Hi-Tech Brand, is marked as The Ultimate Anabolic Powerhouse and is not just a single compound but an advanced 5-in-1 compound packing in 5 different prohormones in addition to a host of plant based muscle builders all in a single tablet. Monster Plexx offers a balanced approach to bulking and while this prohormone is incredibly popular, it's also one of the least understood prohormones due to its complex label and blend of ingredients.

Monster Plexx initially rolled out in 2016 with the goal of helping bodybuilders and athletes pack on slabs of muscle without the need for injections and without severely messing with their hormones and the Hypothalamic-Pituitary-Testicular Axis (HPTA), this is the body's primary hormone balances of testosterone, estrogen and DHT.

Monster Plexx is considered a bulking prhormone due to the effects of its compoudns which tend to prmote a wetter bulker look despite containing some dry compounds. 

Monster Plexx Formula: 5 Prohormones & How They Work

Category Compound Conversion & Action Anabolic Ratio Primary Goal
Cutter/Dry 1-Andro (3B-Decanote) Converts to 1-Testosterone w/ Half Life 12 Hours 200:100 Cutting/Dry Gains
Cutter/Dry 3-Beta-Hydroxy-5A-Androst ie another 1-Andro Converts to 1-Testosterone w/ Half Life 5 Hours 200:100 Cutting/Dry Gains
Cutter/Dry Epiandro (5-Andro-Decanoate) Converts to DHT Half Life 12-16 Hours 300:100 Cutting/Fat Loss
Bulker/Wet 4-Andro (4-Androstene-3b-undecanoate) Converts to Testosterone Half Life 4-7 Hours 100:100 Bulking/Wet Gains
Bulker/Wet

4-Andro (3B-hydroxy-Andros-5-unedcanoate)

Converts to Testosterone Half Life 4-7 Hours 100:100 Bulking/Wet Gains

How The Conversion Works

These compounds travel to the liver for their first conversion and then to the androgen receptors in the muscle tissue for the second conversion.

1-Andros convert to 1-Androstenedione, then to 1-Testosterone

4-Andros convert to 4-Androstenedione, then to Testosterone

Epiandro converts to DHT int he first step and is ready to bind to the androgen receptor

Non-Hormonal (Natural) Muscle Buiding Ingredients

Monster Plexx contains a huge label and blends of both andros as well as non-hormonal plant based and botanical muscle builders. These include...

Ajuga Turkestanica (Turkesterone): This is an ecto steroid or plant steroid which is included for its potential muscle building abilities. One particular study showed statistically signifcant muscle gain.

3B-Hydroxy-Androst-5-ene-17-one (Laxogenin): Non-hormonal plant steroid which its theorized it may increase protein synthesis by operating in the inner pathway and promoting muscle growth.

Diol-Oleate: Natural test booster and phytosterol which is structurally similar to cholesterol. It acts as a 5-alpha reductase inhibitor and is the enzyme responsible for converting testosterone into DHT. By limiting DHT it couners the DHT increase from the Epiandro compound which in turn eliminates hair loss and hair thinning which can be a common side effect of Epiandro prohormones. 

Monster Plexx Benefits

Monster Plexx powerful combination of ingredients leads to numerous potential benefits including...

  • Significant Muscle Mass Gains: Users can expect an increase in muscle mass with anecdotal reports of up to 22 pounds of muscle in 8 weeks. While this is on the very upper end of realistic its not uncommon for users to see 8-12 pounds of muscle mass increase over an 8 week cycle. This is driven by the 1-Andros increase in protein synthesis and the 4-Andro's promotion of hypertrophy or increased muscle size. 
  • Fat Loss: While not the main effect, the increase in overall testosterone typically leads to some fat loss. The Epiandro compound is also responsible for oxidizing fat ie using it as a source of energy.
  • Increased Neurological Drive: DHT form Epiandro is responsible for increasing neurological drive or mind muscle connection which can be helpful during compound movements like squats, deadlifts and bench press. 
  • Improved Endurance: The 4-Andro may increase the red blood cell count which improves oxygen flow into the mucsles leading to improved endurance.
  • Increased Libido: As hormones go up so will sex drive also increase. 

How to Take Monster Plexx: Cycle & Dosage Recommendations

  • Cycle Length: 8 weeks followed by Post Cycle Therapy (PCT)
  • PCT Length: 4 weeks
  • Dosing: Official dosing is two tablets per day. Some users choose to begin with one tablet per day to guage how they react and side effects and then will move to two tablets per day. If you decide to begin with one its not a bad idea to split the tablet in half and take half in the morning and half in the evening. 

Monster Plexx Side Effects

Prohormones do carry potential side effects. Potential side effects of Monster Plexx include cholesterol issues such as a decrease in good cholesterol (LDL) and an increase in bad cholesterol (LDL). There's also potentially minor aromatization as 4-Andros will aromatize into estrogen which can cause increased blood pressure. Sings of this would be a feeling of tightness or red flushing to the face and chest. 

Recommended Supplements For Side Effect Management

While most users don't run into many if any side effects, should you run into side effects here's some supplemetns you can take to deal with them...

  • Fish Oil: For general joint lubrication
  • TUDCA: For liver support
  • Berberine: Helps manage blood sugar
  • Citrus Bergamot: Helps manage cholesterol and anxiety
  • Arimistane: Aromatase inhibitor should you experience an increase in estrogen. 

Monster Plexx Stacks

Monster Plexx is a 5-in-1 prohormone and is a powerful product so it can be taken by itself, however many users like to stack it with other prohormones or other supplements. Monster Plexx already contains 1-Andro, 4-Andro and Epiandro, so if there's a particular compound you want more of such as 1-Andro for example you could add something like 1-Testosterone. If you want to cut you can add something like Winstrol. The only compound Monster Plexx is lacking is a 19nor so Trenabol is a popular prohormone to stack with Monster Plexx. It's got a light dose of 6-OXO ie a built in estrogen blocker and its a 19nor which supports lean muscle and strength, supports joint comfort and recovery. 

The Final Takeaway

Monster Plexx lives up to its nme by offering a powerful multi compound approach to muscle building. It brings together the lean dry gains of 1-Andro, the cutting effects of Epiandro and the mass and poewr of 4-Andros to ensure all anabolic pathways are targeted. The non-hormonal ingredients like Diol-Oleate and Laxogenin also help to maximize anabolism while mitigating common side effects like hair loss. If you decide to take Monster Plexx be sure to be diligent and stick to the recommended 8 week cycle and the 4 week PCT. Be safe and incorporate liver, cholesterol and estrogen support. In short, Monster Plexx is positioned as a comprehensive anabolic agent for seriout athletes and bodybuilders alike, offering impressive results but requiring preparation and cycle support. 

Dec 10th 2025

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