Need help?
Enter your e-mail and password:
Lost password? Recover password
New customer? Create your account
Enter your email:
Remembered your password? Back to login
Your cart is empty
100% pure fermented L-glutamine — the key amino acid for muscle recovery and gut support.
Dispatch within 48 hours. Delivery time depends on your location.
Glutamine 4Endurance Pro is designed for endurance athletes and individuals engaging in intense or prolonged physical activity — especially during periods of caloric deficit, heavy training loads, or physical stress.
Glutamine is a key amino acid that helps rebuild muscle fibers, supports gut health, and strengthens the immune system. During periods of physical stress, your body may not produce enough to cover increased needs — which is where supplementation will make a difference.
Glutamine is a naturally produced amino acid that becomes conditionally essential under physical stress, such as during intense training or caloric restriction. It plays a role in many critical functions, from muscle regeneration to maintaining gut integrity.
Supplementing with glutamine helps support:
Unlike standard glutamine supplements, Glutamine 4Endurance Pro uses a fermented source, ensuring:
Choose 100% fermented glutamine for better recovery and gut support!
Mix 1 scoop with water. Take up to 3 scoops per day.
💡 Pro tip!
If you are in a caloric deficit:
If you are in caloric surplus:
Food supplement. Ingredients: 100% pure fermented L-glutamine. Store in a cool, dry place. Net quantity: 500 g.
Great product
Hi Mats, thank you for your fantastic feedback! We're thrilled to hear you love the Glutamine. Feel free to reach out if you need anything else. Cheers!
Effettivamente funzionale
Ciao!
Grazie mille per la tua recensione! Siamo felici che tu abbia trovato la glutammina funzionale e che ti abbia soddisfatto.
Grazie per la tua fiducia e per il tuo supporto!
Cordiali saluti, The 4Endurance Team
Ottimo prodotto
Grazie mille per la tua recensione! Siamo davvero felici che il prodotto ti sia piaciuto.
Me va mejor la decatlhon
Hola Jose Manuel, ¡Agradecemos mucho que compartas tu experiencia con nosotros!
Cada organismo es un mundo y es totalmente normal que las preferencias varíen según lo que mejor le siente a tu digestión y a tus rutinas de entrenamiento.
Si en el futuro te apetece probar algún otro producto o quieres consultar opciones para tus objetivos, estamos a tu disposición. ¡Un saludo y a seguir sumando buenos entrenamientos!
Saludos cordiales, el equipo de 4Endurance
To provide elite-level nutrition at accessible prices for all. We follow the latest science in sports nutrition and use only high-quality ingredients that support your performance. From amateur enthusiasts to professional teams, we support athletes of all levels in reaching their goals.
This website uses cookies to ensure you get the best experience on our website.