L-Glutamine is a versatile amino acid that plays a key role in recovery, immune support, gut health and muscle preservation.
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What L-Glutamine Does for Endurance Athletes
1. Supports Immune Function
• Prolonged endurance exercise (like long runs or multi-day events) can suppress the immune system.
• Glutamine is a fuel source for immune cells, aespecially white blood cells and intestinal cells.
• Supplementing helps maintain immune defense and reduce the risk of illness during heavy training or post-race recovery.
2. Maintains Gut Health
• Glutamine is the primary fuel for the cells lining your gut.
• Supports gut barrier integrity, which is critical during heat stress or long races when GI issues often flare up.
• Helps reduce leaky gut symptoms, common in endurance sports.
3. Preserves Muscle Tissue
• During long efforts or calorie deficits, the body may break down muscle for energy.
• Glutamine helps prevent muscle catabolism and supports muscle recovery.
4. Speeds Recovery
• May reduce muscle soreness and accelerate glycogen replenishment post-exercise.
• Helps you bounce back quicker between workouts or stages in a multi-day event.
