What are the key compounds in Mass + Rx?

Each capsule contains a core compound of approximately 25mg and a botanical support microblend of approximately 15mg. Additional formula ingredients include microcrystalline cellulose, capsule shell material (gelatin or vegetarian alternative), magnesium stearate, silicon dioxide, and phytosterols.

What are the key benefits of Core Labs Mass + Rx?

Core Labs Mass + Rx is formulated to support consistent supplementation across a defined 4–6 week cycle. The primary compound and botanical support blend are designed to complement advanced training and mass-building protocols for experienced users.

How should Mass + Rx be taken?

Take 1 capsule daily, preferably with a meal. Do not exceed 1 capsule within any 24-hour period. Recommended usage cycle is 4 to 6 weeks, followed by a planned break or transition based on your supplementation schedule.

Is Mass + Rx suitable for beginners?

No. Core Labs Mass + Rx is designed exclusively for experienced adult users familiar with cycle-based supplementation. Beginners should not use this product.

Can Mass + Rx be used during bulking?

Core Labs Mass + Rx is designed for mass support and is best used during a structured bulking or mass-gain cycle. Any stacking approach should include appropriate on-cycle support, and post-cycle therapy (PCT) is recommended after completing the cycle.

What are the ingredients in Core Labs Mass + Rx?

Each capsule contains a core compound (approx. 25mg) and a botanical support microblend (approx. 15mg). Other ingredients include microcrystalline cellulose, capsule shell (gelatin or vegetarian alternative), magnesium stearate, silicon dioxide, and phytosterols.

Are there any safety considerations or side effects?

This product is not suitable for women, minors, or individuals with underlying medical conditions. Do not exceed 1 capsule per day. This product may cause increased heart rate, anxiety, or elevated blood pressure. Consult a qualified healthcare professional before beginning use.

Where can I buy Core Labs Mass + Rx in the UK?

Core Labs Mass + 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 Mass + Rx 60 capsules - Cross The Limits UK Shop Vitamins & Supplements

Core Labs Mass RX is a capsule-based supplement that delivers a proprietary compound combined with a botanical support blend. It’s designed for structured, time-limited use by experienced adult users following planned supplementation routines. Each serving supports consistency across a defined usage period.

Packaging

60 capsules per bottle, suitable for up to 60 days of use when taken consistently as directed

Key Components (per capsule)

Core compound – approx. 25 mgCarefully measured ingredients are included in advanced supplement protocols.

Botanical support microblend – approx. 15 mgA plant-derived formulation intended to help maintain product consistency and stability.

Additional ingredients may include microcrystalline cellulose, capsule shell material (e.g. gelatin or vegetarian alternative), magnesium stearate, silicon dioxide, and phytosterols—used to maintain shelf stability and consistent dosage delivery.

Suggested Use

Take 1 capsule daily, preferably with a meal.

Do not exceed 1 capsule within any 24‑hour period.

Recommended usage cycle: 4 to 6 weeks, followed by a planned break or transition based on your supplementation schedule.

Intended User
This product is intended for healthy adult males aged 21 and over with familiarity in structured, cycle-based supplementation routines. It is not suitable for women, minors, or individuals with underlying medical conditions. Consultation with a qualified healthcare professional is advised before beginning use.
Storage & Safety Information

Store in a cool, dry place, away from direct light and moisture.

Keep out of reach of children.

Use only as directed.

Do not exceed the recommended daily serving.

DOSAGE-TIMING-FOLLOW-UP:

Mass + Rx from Core Labs, which includes high-impact anabolic ingredients, requires a disciplined approach to supplementation. This includes a proper on-cycle regimen, post-cycle therapy (PCT), and supportive measures to protect the body’s vital systems, particularly the liver. Here’s a recommended approach:

Supplementation Cycle for Mass + Rx:

On-Cycle Phase:
Duration:Considering the potency, a cycle should be limited to 4-6 weeks.
Dosage:The manufacturer suggests two capsules daily, split into two doses one in the morning and one in the evening.
Supportive Measures:Given the inclusion of NAC (N-acetylcysteine), additional liver support may not be necessary, but it’s wise to consider comprehensive on-cycle support, including cardiovascular and hormonal health.
Off-Cycle Phase:
Duration:An off-cycle of at least 6-8 weeks is advised to allow the body to recover and reset its natural hormonal balance.
Abstinence:Cease all anabolic supplements during this period.
Post-Cycle Therapy (PCT):
Testosterone Support:Supplements that encourage the body’s natural testosterone production, like D-aspartic acid, herbal extracts, or zinc, should be used.
Estrogen Regulation:If necessary, incorporate an over-the-counter aromatase inhibitor to manage potential increases in estrogen.
Cortisol Management:Consider adding cortisol blockers to maintain the gains achieved during the cycle.
Protective Measures:
Antioxidants:Additional antioxidants like Vitamin C may help mitigate oxidative stress.
Cardiovascular Health:Continue Vitamin E supplementation and consider Omega-3 fatty acids and CoQ10.
Joint Care:Supplements like Glucosamine and Chondroitin can be beneficial, mainly if the cycle includes heavy lifting.
Monitoring and Adjustments:
Regular Health Checks:Blood tests to monitor liver enzymes, lipid profiles, and hormonal panels before, during, and after the cycle are recommended.
Adaptation:Adjust the dose, stop the cycle if adverse reactions occur, and seek medical advice.

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.