PROTEIN X BREAKDOWN

Endurance training pushes your body to its limits, by draining energy stores, breaking down muscle, and disturbing electrolyte balance. FIXX Protein X is designed to tackle all of these challenges at once, combining the perfect mix of protein, carbohydrates, and electrolytes to speed up recovery, restore energy, and optimize performance. Each serve provides:

  • 20g plant-based pea protein for muscle repair
  • 20g carbohydrates to restore glycogen and refuel
  • 4300mg BCAAs (2:1:1) to support muscle recovery
  • 1725mg L-Glutamine to promote gut health and reduce recovery time
  • A full spectrum of electrolytes to rehydrate:
  • 436mg Sodium
  • 112mg Potassium
  • 56.5mg Calcium
  • 36mg Magnesium

  • Protein

    The Protein X provides 20g of premium plant-based protein - a perfect amount for optimal repair and recovery after training. It uses protein sources rich in branched-chain amino acids (BCAAs), including leucine, iso-leucine and valine, which are essential amino acids that are crucial components of a balanced diet. During prolonged endurance exercise, the body can break down muscle tissue to use BCAAs as an energy source. By supplementing them post-exercise with Protein X, this helps reduce muscle protein breakdown and stimulate repair.

  • L-Glutamine

    L-Glutamine is the most abundant amino acid in muscle tissue and plays a vital role in muscle repair, immune defense, and gut health — all of which are heavily impacted by endurance training. Prolonged or intense sessions can significantly lower glutamine levels, slowing recovery and weakening the immune system. Supplementing with L-Glutamine in FIXX Protein X helps replenish these stores, supporting faster muscle repair, reducing soreness, and maintaining strong immune function. It also promotes a healthy gut lining, improving digestion and nutrient absorption after long endurance efforts.

  • Carbohydrates

    FIXX Protein X delivers 20g of fast-absorbing carbohydrates to rapidly restore muscle glycogen, the body’s key energy reserve depleted during endurance training. Replenishing glycogen immediately post-exercise, in combination with 20g of protein, accelerates recovery, reduces injury risk, and ensures muscles are fully fueled for optimal performance in subsequent sessions. 

  • Electrolytes

    Endurance exercise causes substantial fluid and electrolyte loss, particularly of sodium, potassium, magnesium, and calcium, which are all critical for proper hydration, muscle function, and nerve signaling. FIXX Protein X replenishes these essential electrolytes to prevent cramping, dizziness, and fatigue. Sodium is important for fluid balance and plasma volume, while potassium and magnesium assist with neuromuscular recovery and help maintain a steady heart rhythm. By replenishing electrolytes, FIXX Protein X promotes faster recovery, improved hydration, and optimal performance with every training session.

  • The Magic 30-minute Window

    To maximize recovery, it’s important to consume FIXX Protein X within the crucial 30-minute post-exercise window. Delaying your recovery nutrition beyond this period prolongs the body’s catabolic (breakdown) state and reduces nutrient absorption, slowing the repair and refueling process. Protein X is perfect to bring with you wherever you go!

    FIXX Protein X stands apart from typical gym-focused protein shakes by supporting the body’s full recovery process after endurance exercise, helping repair muscle, restore glycogen, and replace essential electrolytes and nutrients lost during prolonged training and events.