Your cart is empty Not sure what to choose?
Check promotions

Core Labs Bulk RX

Core Labs 90 caps

Original price was: £47.21.Current price is: £44.00.Save 7%Tax includedLowest price in 30 days: £44.00

Purchase this product now and earn 44 Points!

In stock

Orders placed before 4 pm are shipped on the same day

Free shipping: UK over £89, EU over £150
Secure Card Payments
visa master gpay apay
Pay later with Klarna
14-Day Returns

BULK RX is a non-steroidal muscle enhancer and an anabolic powerhouse designed for building muscle mass! This innovative formula has been meticulously prepared for those seeking fast and stable muscle growth alongside an increase in the body's endurance and performance. Core Labs BULK RX stands out with benefits like strength gains, lean mass, and a perfect physique. Importantly, this formula does not cause water retention or gynecomastia, typical side effects associated with prohormones.

Composition of Core Labs BULK RX


BULK RX is a technologically advanced supplement uniquely formulated at Core Labs laboratories. It contains the following active substances:


  • Methylstenbolone


    A synthetic compound with vigorous anabolic activity, known for increasing testosterone levels in the blood. This leads to accelerated muscle mass-building processes and significantly improved muscle quality. Methylstenbolone creates an exceptionally favourable environment for muscle growth, offering robust gains in muscle mass, noticeable increases in strength, and enhanced vascularity. Its advantage includes being non-aromatizing, with no estrogenic effects.


  • (25 R)-5alpha-Spirostan-2alpha, 3beta, 5alpha-Triol-6-OH/


    This combination of sterol and undecanionic ester optimizes bioavailability. As a unique ingredient of natural origin, it is designed to intensify anabolic processes, ensure a positive nitrogen balance, and promote muscle growth. Additionally, it boosts energy and improves protein accumulation in the body.


  • Vitamin E


    Known as one of the most potent antioxidants, Vitamin E protects muscles from free radical damage, slows down the process of muscle mass loss, and guards against the development of coronary heart disease. It also aids in the removal of the kinase from the bloodstream, slows down the ageing process, and supports good eyesight.


Dosage


Taking 1-3 capsules daily is recommended, based on individual tolerance and goals. The package contains 90 capsules, providing enough for 30-90 doses, depending on the daily intake.

DOSAGE-TIMING-FALLOW-UP:


BULK RX (Non-Steroidal Muscle Enhancers)is positioned as an anabolic supplement to enhance muscle mass, strength, and overall physical performance. Given its composition and the potent nature of its components, especially Methylstenbolone, a structured approach to dosing, cycling, post-cycle therapy (PCT), and supportive measures is crucial for maximizing benefits while minimizing potential risks.

Dosing Protocol


Daily Intake:The manufacturer recommends taking 1-3 capsules daily. For new users, starting with the lower end (1 capsule) is advisable to assess tolerance.
Timing:If taking more than one capsule daily, spread the doses out with meals to enhance absorption and reduce the potential for gastrointestinal discomfort.

Cycling Protocol


Cycle Duration:A typical cycle of BULK RX should last 4-6 weeks. This duration helps balance maximizing gains while limiting potential side effects.
Cycle Break:A break of at least 4-6 weeks is recommended after completing a cycle. This off-cycle period allows the body to normalize and recover.

Post-Cycle Therapy (PCT)


Necessity of PCT:Given the potent anabolic activity of Methylstenbolone, a PCT phase is essential to help restore the body’s natural hormonal balance.
PCT Duration:A PCT regimen should begin immediately after the cycle ends and last 4-6 weeks.
PCT Supplementsmay include natural testosterone boosters, estrogen blockers, and other hormonal support supplements. Components might include natural extracts like Tribulus Terrestris, Fenugreek, or Ashwagandha and pharmaceutical agents, if necessary and prescribed by a healthcare professional.

On-Cycle Support (Protectives)


Liver Protection:Supplements like Milk Thistle or TUDCA (Tauroursodeoxycholic acid) should be considered during the cycle to support liver health due to the potent nature of Methylstenbolone.
Cardiovascular Support:Omega-3 fatty acids, CoQ10, and other heart-health supplements may help mitigate any potential cardiovascular strain.

Duration of Use and Breaks


Monitoring and Adjustment:Pay attention to your body’s response throughout the cycle and adjust the dosage accordingly without exceeding the maximum recommended intake.
Long-Term Use:To prevent undue strain on the body, limit the number of cycles per year to two to three cycles.

Warnings and Precautions


Medical Consultation:Before starting any new supplement regimen, especially one containing potent anabolic agents, consult a healthcare professional.
Monitoring:Regular health check-ups and possibly blood tests are recommended to monitor liver health, lipid profiles, and hormone levels.
Contraindications:Do not use if under the age of 21, pregnant, nursing, or at risk for health conditions like high blood pressure, liver problems, or heart disease.
BULK RX users can achieve muscle-building goals by adhering to these guidelines while prioritizing their health and safety. It’s crucial to approach potent supplements like BULK RX with caution, responsibility, and awareness of their potential benefits and risks.
Disclaimer: This product is a dietary supplement and should not be used as a substitute for a varied diet. Do not exceed the recommended daily dose. Keep out of reach of children. If you are pregnant, nursing, taking medication, or have a medical condition, consult your healthcare professional before use. This product contains Aphrodyne and may cause side effects such as increased heart rate, anxiety, or elevated blood pressure. Use with caution and discontinue use if any adverse reactions occur. Store in a cool, dry place away from direct sunlight. The Food and Drug Administration or any other governmental authority has not evaluated the statements made here. This product is not intended to diagnose, treat, cure, or prevent any disease.

No product reviews yet — add the first one!

Need help?

Core Labs Bulk RX is a non-steroidal muscle enhancer and anabolic powerhouse designed for building fast and stable muscle mass. It supports strength gains, lean mass, and physique improvement without causing water retention or gynecomastia. Each bottle contains 90 capsules.

The key active ingredients are Methylstenbolone (a synthetic compound with vigorous anabolic activity that increases testosterone levels and accelerates muscle mass-building) and (25R)-5alpha-Spirostan-2alpha,3beta,5alpha-Triol-6-OH, a sterol and anabolic support compound.

Bulk RX delivers strength gains, lean mass development, and enhanced vascularity. Methylstenbolone creates a favourable environment for muscle growth with non-aromatizing properties (no estrogenic effects), while the formula also supports body composition and performance.

Take 1–3 capsules daily based on individual tolerance and goals. New users should start with 1 capsule daily to assess tolerance. The 90-capsule package provides 30–90 doses depending on daily intake. Follow a structured cycle with on-cycle support and PCT.

Bulk RX is designed for experienced athletes and bodybuilders seeking fast and stable muscle growth alongside increased endurance and performance. It should not be used by individuals under 21, pregnant or nursing women, or those at risk for high blood pressure, liver problems, or heart disease.

No. Core Labs Bulk RX contains potent anabolic agents including Methylstenbolone and requires structured cycle management. It is intended for experienced users who are familiar with prohormone supplementation and associated protocols.

Yes, Bulk RX is specifically designed as a mass-building formula for bulking cycles. Its Methylstenbolone compound supports robust gains in muscle mass and strength. Always include on-cycle liver support and follow with a full PCT protocol.

Active ingredients include Methylstenbolone and (25R)-5alpha-Spirostan-2alpha,3beta,5alpha-Triol-6-OH. Methylstenbolone is a synthetic anabolic compound known for accelerating muscle mass-building processes, improving muscle quality, and offering non-aromatizing properties.

Regular health check-ups and blood tests are recommended to monitor liver health, lipid profiles, and hormone levels during the cycle. Do not use if under 21, pregnant, nursing, or at risk for high blood pressure, liver problems, or heart disease. Medical consultation before starting use is essential.

Core Labs Bulk RX is available through Cross The Limits, an authorised UK retailer. Orders placed before 4pm are dispatched the same day, with free UK shipping on orders over £89.

Core Labs

Core Labs

Cross the Limits offers Core Labs supplements, a trusted name in the fitness world known for innovative dietary supplements and advanced training-oriented nutrition. This range delivers high-performance products tailored for athletes at every level, focusing on efficiency and effective goal achievement. By choosing Core Labs at Cross the Limits, fitness enthusiasts gain access to professional-grade formulations designed to maximize physical potential.