Mutant All In Shaker Black with Red is a ready-to-use mixer that links with your all-in pre-workout to power focus, energy and smooth hydration for demanding training sessions worldwide. Mutant is known for science-led formulations and rugged training gear. This shaker is built to weather heavy sessions and helps you stay consistent in your routine.

Available Sizes & Variants:

1L Mutant All In Shaker - a protein shaker bottle with sturdy, large capacity for long workouts.

Benefits & Features:

• Leak proof lid keeps mess to a minimum.
• Rugged 1 litre capacity lets you mix a full pre-workout dose and sip water without refills, while a sturdy lid and simple cleaning keep your routine efficient and mess-free.
• Measurement marks on the side help you mix accurately every time.
• Designed to slot into your home gym equipment setup for easy access.
• Can be used as a reusable water bottle between sessions.

Mutant is widely stocked internationally, reflecting a strong reputation for science driven formulas and durable training gear, helping you stay consistent with your workouts.

Mutant has built its identity on science driven formulations and rugged gear, with products widely stocked across gyms and retailers worldwide. This All In Shaker continues that tradition with a practical, durable design that won't let you down during busy weeks. The brand is known for reliability, easy use and a commitment to performance, which is why athletes reach for Mutant again and again.

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Please consult the product packaging for accurate instructions on how to use the product.

Citrulline malate is a blend built from the amino acid citrulline and malate, used to support energy delivery and athletic performance. This stuff is often tossed into pre‑workout mixes to help with nitric oxide production for vascularity and muscle pump.

This form pairs citrulline with malate to support energy metabolism and hydration during tough workouts, helping your body keep performance up during intense sessions. [which keeps you going]

What Does Citrulline Malate Do?

Citrulline malate helps boost exercise performance and endurance, with data suggesting benefits for resistance training and less muscle soreness, in line with normal bodily function during high‑intensity activity. [which matters]

Its role in supporting blood flow and energy availability may help you sustain effort and training volume during workouts

*This product is not intended to diagnose, treat, cure, or prevent any disease.

Mutant brings a science‑driven approach to sports nutrition, and this lines up neatly with Welzo’s commitment to strict product curation. Mutant is renowned for its performance‑driven formulations and wide international reach, showing a trusted name in the endurance and strength arena. This heritage backs our choice to team up with them for All In Shaker, a blend built to back tough training through proven ingredient synergies. This brand’s proven reputation and global reach helped us feel confident about long‑term supply consistency and consumer trust. Our evaluation also weighed how Mutant’s development philosophy mirrors Welzo’s own quality and efficacy criteria, highlighted by our medical experts and our supplement quality standards. This collaboration speeds access to a product that embodies strong potency and practical use for athletes. For more on our vetting, see how we evaluate with our team of medical experts and our supplement quality standards.