CITRULLINE 60 SERVES – RULE 1

100% Pure L-Citrulline for Muscle Pumps, Endurance, and Training Performance

Rule 1 Citrulline is a premium 100% pure L-citrulline supplement designed to support muscle pumps, endurance, and exercise performance. As a key precursor to nitric oxide production, L-citrulline helps promote increased blood flow during training, making it an ideal addition to any pre-workout routine.

Part of the Rule 1 Foundation Series, this unflavoured formula contains no fillers, sweeteners, or artificial ingredients, allowing you to easily stack it with your favourite pre-workout, protein shake, or other supplements.

Why Choose Rule 1 Citrulline?

L-citrulline is one of the most popular performance ingredients used by athletes and gym-goers to support nitric oxide production and blood flow during exercise. Rule 1 Citrulline delivers pure, high-quality L-citrulline in every serving, giving you the flexibility to customize your supplement routine based on your training needs.

Its unflavoured, easy-mixing formula makes it suitable for both standalone use and supplement stacking.

Key Benefits

Provides 100% pure L-citrulline.

Supports nitric oxide production.

Promotes enhanced muscle pumps and vascularity.

Helps support endurance during intense workouts.

May assist exercise performance.

Unflavoured formula with no fillers or sweeteners.

Mixes easily with water, protein shakes, or pre-workout supplements.

Ideal for stacking with other sports nutrition products.

Suitable for strength athletes, bodybuilders, and active individuals.

Pure Performance Formula

Rule 1 Citrulline features a simple, single-ingredient formula made with pure L-citrulline to help support blood flow and workout performance. Free from unnecessary additives, it provides maximum flexibility for building your own customized supplement stack.

Who Is This Product Suitable For?

Rule 1 Citrulline is ideal for bodybuilders, powerlifters, endurance athletes, fitness enthusiasts, and anyone looking to support muscle pumps, training endurance, and overall workout performance.

How to Use

Mix one serving with water or your preferred beverage and consume 20–30 minutes before training.

Can also be mixed with your favourite pre-workout or protein shake.

Important Information

Use as part of a balanced diet and active lifestyle.

Store in a cool, dry place with the container tightly sealed after opening.

Always read the product label and follow the directions for use.

Why Buy from Suppz Nation?

At Suppz Nation, we stock authentic Rule 1 Nutrition supplements sourced from trusted global brands. Shop with confidence knowing you'll receive genuine products, competitive prices, fast shipping, and outstanding customer service every time.

Please read before purchase. The information provided regarding dietary supplements or ointments are not to be taken as medical advice.

Consult a healthcare professional prior to use if you are pregnant, nursing, taking medication, or have a medical condition.

Keep out of reach of children. Store in a cool, dry place. Do not use if seal under cap is broken or missing.

Order by 2PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.

There is €4.99 charge for delivery under €50 Orders. Additional charges will be imposed by our couriers for delivery to remote area, a surcharge may be levied to cover carriage to these areas.

Please note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery.