Boost your workout performance and endurance with this premium L-Arginine nitric oxide supplement from Insynergy Labs. Featuring a powerful 4X formula combining L-Arginine, L-Citrulline, beetroot and AAKG, these vegan capsules support cardiovascular health, muscle growth and protein synthesis. Perfect for pre-workout use, this caffeine-free supplement helps enhance oxygen circulation and physical stamina without jitters. Made with ultra-premium ingredients and manufactured to high quality standards, it's an excellent alternative to creatine or testosterone boosters. Each bottle contains 90 vegan capsules for extended use.