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Relentless Demonize Pre Hardcore Energy & Pump Booster

Relentless Labz

from £47.84

Earn up to 48 Points.

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Relentless Demonize Pre-Workout Xtreme – Hardcore Energy & Pump Booster

Relentless Demonize Pre-Workout Xtreme is a high-stimulant pre-workout designed for those who want to push their performance to the limit. This formula is engineered for intense workouts, enhanced endurance, and explosive strength by combining powerful energy boosters, focus enhancers, and pump-inducing ingredients.

Key Benefits of Relentless Demonize Pre-Workout Xtreme

  • Insane Energy & Focus: 400 mg of Caffeine, Anhydrous, Eria Jarensis, and B-phenylethylamine HCl deliver a strong mental drive, alertness, and motivation.
  • Powerful Muscle Pumps & Endurance – 6,000 mg of Citrulline Malate and 3,200 mg of Beta-Alanine help maximize nitric oxide levels, vascularity, and workout performance.
  • Long-Lasting Stimulation – Theobromine and Theacrine provide a smooth energy boost without crashes.
  • Fat-Burning & Metabolism Support—Yohimbine HCl and synephrine HCl enhance thermogenesis and fat oxidation, making it ideal for cutting phases.
  • Intense Mood & Euphoria – Eria Jarensis and DMAE create a euphoric training experience, making every workout effortless.

Why Choose Relentless Demonize Pre-Workout Xtreme?

This high-stimulant pre-workout is designed for serious athletes and bodybuilders who demand maximum intensity, extreme focus, and skin-splitting pumps. If you want to smash your personal bests and train like a beast, this formula is for you!

Ingredients & Their Functions


Pump & Performance Enhancers




  • L-Citrulline Malate


    (6,000 mg per serving) – Maximizes blood flow, muscle pumps, and endurance.


  • Beta-Alanine


    (3,200 mg per serving) – Delays muscle fatigue, allowing longer and more intense sets.


Extreme Energy & Focus Blend




  • DMAE


    (750 mg per serving) – Boosts cognitive function, mental clarity, and focus.


  • Caffeine Anhydrous


    (400 mg per serving) – Provides an instant energy surge to power through workouts.


  • Eria Jarensis


    (200 mg per serving) – A potent euphoric stimulant that enhances mood and motivation.


  • B-Phenylethylamine HCl


    (200 mg per serving) – Supports neurotransmitter activity for sharp mental focus and mood elevation.


Sustained Energy & Fat-Burning Support




  • Theobromine


    (100 mg per serving) – Works synergistically with caffeine to provide smooth, long-lasting energy.


  • Theacrine


    (100 mg per serving) – Enhances alertness and reduces fatigue while avoiding tolerance build-up.


  • Synephrine HCl


    (50 mg per serving) – A powerful thermogenic that boosts fat loss and energy expenditure.


  • Yohimbine HCl


    (5 mg per serving) – Supports fat-burning and adrenaline release, increasing workout intensity.


  • Huperzine A 1%


    (1 mg per serving) – Enhances memory, learning ability, and mind-muscle connection.


How to Use It?


Recommended Dosage



  • Mix one scoop (13g) with 250-300 ml water.

  • Consume 30 minutes before training.


Disclaimer


Do not exceed more than one scoop per day!
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.

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We offer a variety of sports supplements, including muscle-building products, pre-workout formulas, post-exercise recovery items, vitamins and minerals, amino acids, and more.

All our supplements are sourced from reputable manufacturers and undergo rigorous quality control to ensure safety and efficacy. However, we recommend consulting a healthcare professional before starting any new supplement regimen.

Choosing the right supplement depends on your fitness goals, dietary needs, and any existing health conditions. Our product descriptions provide detailed information to help you make an informed decision. Contact our customer support team for personalised advice if you need more clarification.

Placing an order is simple. Please browse our products, add the items you’d like to your cart, and proceed to checkout. You can pay using credit or debit cards, Klarna, or LayBuy.

We offer both domestic and international shipping. Orders are typically processed within 1-2 business days; however, shipping times may vary by location. For detailed information, please refer to our Shipping Policy page.

Once your order is shipped, you will receive a confirmation email with a tracking number. You can use this number to track your order on the carrier’s website.

We offer a carrier ‘s-day return policy for unopened and unused products. If you are unsatisfied with your purchase, please contact our customer support team to initiate a return. For more details, please visit our Return Policy page.

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Absolutely! Our team of experts is here to help. Contact us via our website, and we will provide personalised recommendations tailored to your fitness goals and dietary needs.

We offer a selection of vegan—and vegetarian-friendly supplements. For specific information, please check the product descriptions or use the filter options on our website to find suitable products.

Please email our customer support team at info@crossthelimits.co.uk or speak directly to our AI bot assistant. We aim to respond to all inquiries within 24 hours.

We offer wholesale options for gyms, fitness centres, and retailers. For more information, please contact our wholesale department at wholesale@crossthelimits.co.uk.

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We dispatch parcels to the EU every Friday. Your order must be placed by 10 AM on Friday to be included in that week’s shipment. If you order earlier in the week (e.g. on Sunday), your parcel will stay in the UK until Thursday, when it is transferred to our EU fulfilment centre. Once it arrives (usually within 5-7 days), we will send it via DPD, and you will receive your tracking details via email. Please note that the journey from the UK to the EU warehouse does not include tracking—tracking is only provided once your parcel is dispatched from the EU warehouse.

First, you’ll need to register for an account with our store to earn your points. Our points system lets you earn points on every purchase. For every £1 spent on our website, you earn 1 point. For every 100 points, you get £1 in store credit.

For example, if you order £100, you will earn 100 points (equivalent to £1), which you can redeem on your next order.

Yes! You can pay for your supplements using Bitcoin (BTC), Ethereum (ETH), USDT, and many other cryptocurrencies via our secure payment partner, NOWPayments.

To ensure reliable delivery and avoid customs issues, all UK orders are shipped via a consolidated weekly route to our EU hub.

This method guarantees:

  • No customs delays
  • No VAT or duty on delivery
  • One fixed shipping fee (£15)

Orders placed after Friday may be included in the following dispatch window.

Delivery time can be up to 2–2.5 weeks, depending on order timing.

All parcels are delivered via DPD with EU tracking provided after dispatch.

Relentless Labz

Relentless Labz

Relentless Labz is a hardcore fitness brand known for extreme-strength pre-workouts and performance supplements.