Legacy Pre Workout is a premium pre workout that powers intense sessions with lasting energy and sharp focus, helping you lift heavier, push harder, and stay dialled in. From a UK brand started in 2013, Efectiv Nutrition’s aim is quality ingredients and flavour innovation in sports nutrition supplements, now backed by Peak Health Distribution. Key active ingredients include L Citrulline, Beta Alanine, and Nitrosigine, teaming up to support pumps and slow fatigue during heavy training.

Available Sizes & Variants:

380g Fizzy Bubble Sweets - handy jar for daily workouts

Benefits & Features:

• Energises workouts with clear focus.
• Star ingredients such as L Citrulline, Beta Alanine, Nitrosigine, S7 and Citrulline synergy work together to boost blood flow, support muscle pumps, enhance endurance, and delay fatigue during tough sessions.
• Beta Alanine helps delay fatigue, allowing longer sessions and better overall performance.
• BioPerine enhances absorption so more of the active ingredients reach your muscles during training.
• VitaCholine supports cognitive focus and mental clarity to stay dialled in during tough sets.

Founded in the UK in 2013, Efectiv Nutrition has earned a reputation for quality and flavour innovation in sports nutrition supplements. Legacy Pre Workout is widely considered one of the best pre workout options among athletes. Legacy Pre Workout channels that heritage into a fizzy bubble sweets experience that athletes actually enjoy taking. The brand partners with leading UK manufacturers and adheres to strict quality standards to ensure every scoop delivers consistent energy and focus. It’s the kind of formula serious lifters reach for when sessions demand power, pace, and precision.

L-Citrulline, Beta Alanine, Acidity Regulator (Citric Acid), L-Tyrosine, Nitrosigine (as Inositol-stabilised Arginine Silicate), Taurine, VitaCholine (as Choline Bitartrate), Sodium Bicarbonate, Flavouring, Pink Himalayan Salt, Juniper Berry Extract, Anti-Caking Agent (Silicon Dioxide), Caffeine Anhydrous, Citrus Aurantium, Zynamite (as Mangifera Indica), Sweetener (Sucralose), Salt, Infinergy DiCaffeine Malate, AstraGin (as Astragalus Membranaceus and Panax Notoginseng), S7 (Green Coffee Bean Extract, Green Tea Extract, Tumeric Extract, Tart Cherry, Blueberry, Broccoli, Kale), L-Theanine, Bioperine (as Black Pepper Extract), Colouring (E133*).

• GTIN: 506034731317
• Manufacturer: Efectiv Nutrition
• Categories: Bodybuilding SupplementsEfectiv NutritionNew ArrivalsNew In Supplements & VitaminsPre Workout SupplementsSports Supplements
• Best buy: 6 - 24 months+

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.

The Active Ingredient Is: L-Citrulline

L-Citrulline is an simple amino acid that helps fuel nitric oxide production, supporting blood vessel health and blood flow during workouts.

This form shows up in supplements to support amino acid availability and vascular health, with the aim of helping energy delivery during tough workouts.

What Does L-Citrulline Do?

L-Citrulline is involved in boosting blood flow and the muscle pump through its role in nitric oxide pathways, which can enhance delivery of nutrients to active muscles.

Alongside supporting these normal bodily processes, the ingredient contributes to the body's natural energy adaptations during exertion.

This supplement isn't meant to diagnose, treat, cure, or stop any disease whatsoever.

Protein:0.1g ,Carbohydrates:2.1g ,Salt:1.2g

Efectiv Nutrition is our pick for Legacy Pre-Workout because this UK brand has built a credible heritage since 2013 and is known for quality ingredients and flavour innovation. The company’s focus on advanced sports nutrition puts it firmly in the running as a trusted supplier in a crowded market, with a track record built on ongoing product development and industry presence. This brand keeps clear commitments to quality and safety and partners with established UK manufacturers, lining up with our expectations for reliable production standards. For our customers, this signals a consistent, trusted source for a high‑quality pre‑workout experience. We evaluated this brand through our rigorous vetting process and our team of medical experts ensures alignment with our ingredient quality and purity standards. This collaboration is grounded in a shared emphasis on safety, transparency and performance. Learn more about our team here.