Glutamine

13 reviews
100% pure fermented glutamine
Quantity: 100 servings

100% pure fermented L-glutamine — the key amino acid for muscle recovery and gut support.

  • Improves muscle recovery
  • Enhances protein and glycogen synthesis
  • Prevents muscle breakdown

Regular price€24.99 Sale price€19.99Save €5.00

Dispatch within 48 hours. Delivery time depends on your location.

Glutamine

Glutamine

€24.99 €19.99

Glutamine 4Endurance 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.

What Is Glutamine?

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:

  • Faster muscle recovery
  • Protein and glycogen synthesis
  • Immune system maintenance
  • Gut health and integrity

Why Choose Glutamine 4Endurance ?

Unlike standard glutamine supplements, Glutamine 4Endurance uses a fermented source, ensuring:

  • Better absorption
  • Improved digestibility
  • No added fillers or artificial ingredients

Choose 100% fermented glutamine for better recovery and gut support!

  • Improves muscle recovery
  • Enhances protein and glycogen synthesis
  • Prevents muscle breakdown
  • Strengthens immune function
  • Supports gut health
  • 100% fermented glutamine

Recommended daily intake: up to 3 servings.

Use: mix 1 serving (1 scoop) with 200 ml of water.

On training days:

  • Consume 1 serving before and 1 after your workout.
  • If in a calorie surplus, consume 1 serving after your workout.

On rest days:

  • Consume 1 serving before breakfast and 1 before bed.
  • If in a calorie surplus, consume 1 serving before breakfast or before bed.
Per serving Per 3 servings
L-glutamine 5000 mg (*) 15000 mg (*)

* Reference intake is not defined.

Food supplement. Ingredients: L-glutamine. Store in a cool, dry place. Net quantity: 500 g.

Trusted by professional athletes

  • 5 stars: 9 (69%)
  • 4 stars: 2 (15%)
  • 3 stars: 2 (15%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
M
Mats V. (Kortrijk, BE)
Great

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!

F
Fabio (Bologna, IT)
Glutammina

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

L
Luís A. (Porto, PT)

Produto 5 estrelas como é óbvio

A
Anonymous (Milan, IT)
Ottimo

Ottimo

Top, Grazie :)

V
Virginio M.

Ottimo prodotto

Ciao!

Grazie mille per la tua recensione! Siamo davvero felici che il prodotto ti sia piaciuto.

Grazie per la tua fiducia e per il tuo supporto!

Cordiali saluti,
The 4Endurance Team

J
Jose m.C.d. (Málaga, ES)
Glutamina

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

K
Kristina M. (Rijeka, HR)
Kika

Top proizvod

S
Simon (Eisenerz, AT)
Gutes Produkt

Löst sich hervorragend auf, alles bestens so weit 😜

L
Laura B.C. (Alcalá de Henares, ES)

Mi buena la comencé hace poco

S
Simone S. (Treviso, IT)
devo ancora rendermi conto degli effetti

devo ancora rendermi conto degli effetti benefici

Grazie per il tuo feedback. Poiché la glutammina è un integratore che agisce nel tempo, consigliamo un uso costante per poterne apprezzare appieno i benefici nel recupero.

A
Anonymous (Zagreb, HR)
Glutamin

Koristim ga poslije treninga il prije spavanja te smatram da doprinosi boljem oporavku nakon aktivnosti.

Pozdrav, hvala na komentaru! 🙌 Glutamin zaista može biti koristan dodatak kod oporavka, posebno poslije intenzivnog treninga ili prije spavanja, jer pomaže u regeneraciji mišića i održavanju imunološke funkcije. 💪 Svakako je jedan od onih dodataka koji može podržati tvoj napredak uz pravilnu prehranu i trening.

V
Vedran H. (Čakovec, HR)

Glutamin

C
Customer
Glutammina

Lo sto prendendo regolarmente in quanto pratico attività sportiva intensa. Mi aiuta per recuperare al meglio, infatti sento la differenza. Assunto nelle dosi consigliate non mi dà nessun disturbo. Molto contento

Siamo lieti che il prodotto ti piaccia :)

At 4Endurance, our mission is simple

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.