Naughty Boy Energy is a pre workout made to boost energy and sharpen focus, and it helps you push harder in each session. Its active ingredients include L-Citrulline for better blood flow, Beta Alanine to delay fatigue, and caffeine to sustain alertness. The formula is marketed as clinically dosed and transparent with branded ingredients that help you see what you’re getting.

Available Sizes & Variants:

390 grams pre workout — convenient tub for consistent training.

Benefits & Features:

• Energy for workouts that last longer, and it pairs nicely with protein shakes
• Its key actives include L-Citrulline for better blood flow, Beta Alanine to delay fatigue, and caffeine to sustain alertness during workouts and protein shakes
• Beta Alanine helps delay fatigue so you can maintain high intensity effort through the toughest reps, and caffeine keeps you alert from warm up to finish during training and protein shakes
• Branded ingredients like VitaCholine and BioPerine support nutrient absorption and cognitive clarity, making every scoop more effective for your protein shakes and workouts
• Sugar-free and flexible dosing lets you tailor the impact, making it a good match with muscle gainer protein powder, while double scooping adds an extra kick if you tolerate caffeine

Brand heritage meets practical science in Naughty Boy Energy. The formula leans on branded actives like VitaCholine for choline delivery, PureWay-C for vitamin C nutrition, and BioPerine to boost absorption. The energy blend pairs caffeine with amino acids such as L-Citrulline for blood flow and Beta Alanine to push through tough sets. Sugar-free and transparently dosed, it fits gym goers who mix it into protein shakes or alongside muscle gainer protein powder routines. Great for those shopping a vitamin supplement store near me.

PureWay-C (Ascorbic Acid and Citrus Bioflavonoids), Vitamin B3 (as Nicotinamide), Vitamin B12 (as Cyanocobalamin), L-Citrulline (Vegan Fermented), Beta-Alanine, L-Tyrosine (Vegan Fermented), Taurine, VitaCholine (as Choline Bitartrate), Caffeine Anhydrous, African Mango Extract (Irvingia gabonensis), BioPerine Black Pepper (Piper Nigrum) Fruit Extract

• GTIN: 640516989866
• Manufacturer: Naughty Boy
• Size: Ultra Energy
• Categories: Best SellersNaughty BoySports SupplementsSubscribe & Save Products
• 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.

Mix 1 serving (13g, 1 slightly heaped scoop) with 200-250ml of cold water and consume 15-20 minutes before exercise. Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children. Not suitable for children, pregnant women, and persons sensitive to caffeine. Do not exceed the recommended daily dose.

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

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Caffeine Anhydrous

Caffeine anhydrous is a concentrated form of the stimulant caffeine, commonly used to support alertness and energy during activity. This pure, dehydrated form provides rapid availability for cognitive and physical tasks.

This ingredient is recognised as a stimulant and is used in this product to deliver a focused, steady energy response. It is provided in a form that is easily absorbed and quickly utilised by the body.

What Does Caffeine Anhydrous Do?

Caffeine supports increased alertness and may contribute to improved exercise performance and focus. This aligns with safe, widely accepted guidance on stimulant use for daily energy and training contexts.

Dr. Guest of the University of Bath found that caffeine can enhance exercise performance, supporting its role in energy and endurance contexts.

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

Nature the Naughty Boy Energy brand stands out with Welzo because its formula is built around a transparency-forward approach, using clearly branded actives and a clinically dosed profile that aligns with our consumer facing standards. The manufacturer’s reputation for delivering highly focused workout formulas has earned recognition in the fitness community for product clarity and shared ingredient information, which resonates with our commitment to informed choice. This brand’s emphasis on branded components such as VitaCholine®, PureWay-C® and BioPerine® mirrors our standards for well documented ingredients and reliable sourcing, helping to build trust with shoppers who prioritise traceability. Our team of medical experts has reviewed the brand as part of our vetting process, and this collaboration is further evidenced by alignment with our quality certification process. This product fits the category perfectly, offering a balanced blend of energy, focus and vascular support that suits high intensity training. Welzo’s evaluation team and our quality criteria ensured a strong, safety driven partnership for this brand. our team of medical experts and our quality certification process were central to the decision.