APPLIED NUTRITION L-Citrulline 1500

Applied Nutrition L-Citrulline 1500

A high-strength daily L-Citrulline capsule built for blood flow support — designed for lifters, bodybuilders, endurance athletes, active adults, and anyone wanting to support their body's natural nitric oxide pathway for circulation, muscle pumps, and endurance. Particularly suited to those chasing intra-workout muscle pumps without taking stimulant pre-workouts, endurance athletes supporting cardiovascular function during long sessions, lifters running fasted training where circulation matters, and anyone who's used L-Arginine before and wants to upgrade to a more efficient nitric oxide precursor.

What separates Applied Nutrition L-Citrulline 1500 from the typical amino acid product on the market comes down to ingredient choice, dose strength, and serving count. Each daily serving (2 capsules) delivers 1500mg of L-Citrulline — meaningfully above commodity amounts and within the dose range research uses to study circulation and exercise performance outcomes. L-Citrulline is a naturally occurring amino acid that plays a vital role in nitric oxide (NO) production. Importantly, L-Citrulline is actually a more effective NO precursor than L-Arginine itself: when you swallow L-Arginine, much of it is broken down in the liver before reaching systemic circulation, but L-Citrulline bypasses that liver clearance and is converted to L-Arginine downstream — meaning supplemental citrulline typically raises serum arginine levels higher than supplemental arginine does. The downstream effects of higher NO availability include improved blood circulation, better oxygen delivery to working muscles, reduced exercise-related fatigue, faster removal of ammonia and other metabolic waste products, and supported cardiovascular function through improved blood vessel dilation. Particularly relevant for anyone researching flow support options or wondering what are circulation problems linked to NO production capacity. Vegan-friendly with plant-based veggie capsule shell, Halal certified, and batch-tested for athletes.

Applied Nutrition manufactures L-Citrulline 1500 in the UK in facilities certified to GMP standards, with rigorous quality control across the range. Every batch is tested for banned substances under a monitored programme. The product is Halal certified. Note: this specific product is not Informed-Sport certified — competing tested-pool athletes should always check the most current ingredient panel against their governing body's banned-substance list before use; for everyone else, Applied Nutrition's manufacturing pedigree as a leading UK sports nutrition brand makes this one of the more credible options in the daily amino acid category.

• 1500mg of L-Citrulline per daily serving — meaningful clinical dose, well above commodity products
• More effective nitric oxide precursor than L-Arginine — bypasses liver clearance for higher downstream arginine levels
• Supports blood flow, endurance, recovery, and cardiovascular function — broad-spectrum circulatory and performance benefits
• 120 capsules per pack, 60 servings — two months of daily supply at standard 2-capsule dose
• Vegan-friendly veggie capsule shell, Halal certified, batch-tested — clean-label option with dietary inclusivity

Pair it with a quality whey protein or pre-workout from our protein and recovery range to round out a complete daily training and performance stack.