GymBum UK Size Guide

GYMBUM UK®

Name: Warrior Rage Pre Workout Powder 392g
Brand: GymBum UK
SKU: B00IWUHXKA
Price: 15.94 GBP
Availability: InStock

Size Guide

1️⃣ Women – Sports Bras

Measure Yourself

For accurate sizing, keep the tape measure level and parallel to the ground.

Bust
Measure around the fullest part of your chest.

Underbust
Measure directly under your bust where the bra band sits.

Body Measurements (Inches)

Size	Bust	Underbust
XS	33–34"	27–28"
S	34–36"	28–30"
M	36–38"	30–32"
L	38–40"	32–34"
XL	40–43"	34–36"
2XL	43–46"	36–39"
3XL	46–49"	39–42"

Between sizes?
Size up for a more comfortable fit.
Size down for a more compressive performance fit.

2️⃣ Women – Tops & T-Shirts

Body Measurements (Inches)

UK Size	Bust	Waist
4–6	31–33"	24–26"
8–10	33–36"	26–28"
12–14	36–40"	28–32"
16	40–43"	32–34"
18	43–46"	34–37"

3️⃣ Women – Leggings & Shorts

Body Measurements (Inches)

UK Size	Waist	Hips
4–6	24–26"	34–36"
8–10	26–28"	36–38"
12–14	28–32"	38–42"
16	32–34"	42–44"
18	34–37"	44–46"

4️⃣ Men – Tops & Hoodies

Size	Chest	Waist
S	36–38"	30"
M	38–40"	32–34"
L	42–44"	36"
XL	46–48"	38"
XXL	50–52"	40–42"

5️⃣ Men – Shorts & Joggers

Size	Waist
S	30"
M	32–34"
L	36"
XL	38"
XXL	40–42"

Fit & Sizing Notes

Some styles follow Asian sizing and may run 1–2 sizes smaller than standard UK sizing.
Refer to each product description for specific fit details.
Measurements may vary slightly depending on fabric and cut.

Product Description

Unleash your strength and elevate every workout with Warrior Rage — the strong, high-stim pre workout powder built for serious lifters, athletes, and fitness warriors. Each scoop delivers 300 mg caffeine for explosive energy, razor-sharp focus, and the lasting drive you need to push past limits and dominate your training. Designed for high-intensity sessions, Warrior Rage fuels endurance, power, and consistency — helping you perform at your best every single time.

Train harder, lift heavier, and recover faster with a precise formula combining 2,560 mg creatine gluconate, 1,500 mg beta-alanine, and a 1,500 mg 8:1:1 BCAA ratio to support strength, muscle output, and post-training recovery. Enhanced with 500 mg taurine and essential electrolytes, it promotes hydration and endurance, reducing fatigue during demanding workouts.

Experience the pump powered by 500 mg Citrulline Malate (a form of L-Citrulline) and 500 mg Arginine AAKG to boost nitric oxide, blood flow, and oxygen delivery — giving you the muscle fullness and vascular definition that drives motivation through every set.

Proudly made in the UK in a GMP-certified facility, Warrior Pre Workout powders contain no artificial colours or fillers — just clean, high-quality ingredients that deliver elite performance. Each tub provides 45 elite servings for long-lasting value and reliability. Simply mix 1.5 scoops with 250 ml cold water for a smooth, refreshing pre-training boost.

Available in both flavoured and unflavoured options, Warrior Rage offers pure power in every scoop. Not gummies, shots, capsules, or pills — just a potent, easy-to-mix performance formula crafted to energise your mind, strengthen your body, and help you perform like a true warrior in every workout.

Ingredients

Creatine Gluconate, Beta Alanine, Leucine, Vitamin C (Ascorbic Acid), Arginine Alpha Ketoglutarate Powder, Citrulline Malate 2:1, Taurine, Caffeine, Sodium Bicarbonate, Isoleucine, Valine, Flavouring, Acidity Regulator (Malic Acid), Vitamin B6 (Pyridoxine HCL), Colour (Beetroot Extract), Sweetener (Sucralose, Steviol Glycosides).

Directions

Directions: Take 1 serving (1 1⁄2 Scoops) 20 minutes before training with 250ml of cold water. Once prepared consume immediately. Use on training days only. To be taken once per day.

Safety Warning

Warning: Please discontinue use if you experience any adverse reactions. Food supplements are not a replacement for a healthy and varied diet. Do not exceed recommended daily dose. High caffeine content. Not recommended for children or pregnant or breast-feeding women.

Manufacturer Contact Information

Distributed by KBF Enterprises LTD, Unit 1 Guinness Road Trading Estate, Guinness Road, Manchester, M17 1SB

UK-MADE QUALITY & EASY USE – Warrior Pre Workout powders are proudly made in the UK in a GMP-certified facility with no artificial colours or fillers for assured quality and purity. Each tub provides 45 elite servings for long-lasting value. Mix 1.5 scoops with 250 ml cold water for a smooth, refreshing pre-training boost. Not gummies, shots, capsules, pills, or tablets—just pure performance powder that mixes easily and is available in both flavoured and unflavoured options to suit your taste.
EXPLOSIVE ENERGY & LASER FOCUS – Ignite your training with our strong pre workout containing 300 mg caffeine per serving for high-stim intensity, razor-sharp focus, and lasting drive. Warrior Rage is designed to fuel demanding gym sessions, endurance workouts, and competitive training. Each scoop delivers instant motivation, enhanced alertness, and tunnel-vision concentration to help you push harder, stay stronger, and dominate every rep, set, and goal.
BOOST STRENGTH, POWER & ENDURANCE – Train harder and perform stronger with our strong pre workout formula combining 2,560 mg creatine gluconate and 1,500 mg beta-alanine to increase muscle strength, output, and endurance. Feel the surge of power as you push through fatigue, lift heavier, and sustain intensity for longer sessions. Warrior Rage pre workout drink supports serious athletes who demand explosive performance, faster recovery, and consistent strength progression.
INTENSE MUSCLE PUMP & NUTRIENT DELIVERY – Powered by 500 mg Citrulline Malate (a form of L-Citrulline) and 500mg Arginine AAKG to enhance nitric oxide and blood flow, delivering incredible pumps and vascularity. This advanced pre-workout formula promotes oxygen transport and nutrient delivery to muscles, maximising performance and definition. Experience the full-body pump that fuels motivation, strength, and sustained endurance from warm-up to final set.
RECOVERY, HYDRATION & MUSCLE SUPPORT – Formulated with 1,500 mg 8:1:1 BCAA ratio, 500 mg taurine, and key electrolytes to promote hydration, endurance, and faster post-training recovery. These amino acids help reduce muscle breakdown, improve repair, and maintain peak performance after intense sessions. Perfect for lifters, athletes, and fitness warriors seeking sustained recovery, reduced fatigue, and consistent daily results.

› See more product details

Brand	Warrior
Flavour	Blazin' Berry
Primary supplement type	Vitamin B6, Vitamin C
Unit count	392.0 gram
Item form	Powder
Item dimensions L x W x H	9.8 x 9.8 x 11.3 centimetres
Special ingredients	Creatine
Diet type	Vegetarian
Product benefits	Energy Management
Age range (description)	Adult