Sports nutrition plays an integral role in an athlete's performance and recovery. The food and drinks we consume directly impacts our energy levels, muscle growth and ability to train. Here are some key aspects of sports nutrition to keep in mind.
Macro Nutrients for Training and Recovery
The three main macronutrients - carbohydrates, protein and fat - provide our bodies with sustained energy during training sessions as well as aid the recovery process. Let's look at each in more detail:
Carbohydrates - The key energy source
Carbohydrates are our primary source of fuel when it comes to high intensity exercise. They break down into glucose which is readily available energy for working muscles and the brain. It is recommended that athletes consume 5-7 grams of carbohydrates per kilogram of body weight daily. Complex carbs from foods like sweet potato, brown rice and oats are ideal as they digest slowly and provide sustained energy.
Protein - For muscle growth and repair
Our muscles need protein for growth and repair. Athletes should aim for 1.4-2 grams of protein per kilogram of body weight daily. Good sources include eggs, fish, chicken, nuts, legumes, Greek yogurt and protein shakes. Post workout is an especially important time for protein to start the muscle rebuilding process.
Healthy fats - Support hormone function and fullness
While often vilified, some fats play key roles like manufacturing hormones and keeping us full. Around 20-35% of daily calories should come from "good fats" such as olive oil, avocados, coconut oil, fatty fish and nuts. These support hormone production, reduce inflammation and provide essential fatty acids.
Hydration and Fluid Intake
In addition to macronutrients, hydration and fluid intake around training is essential for exercise performance and preventing dehydration. Here are some tips:
Drink water before, during and after exercise
Drinking adequately before exercise ensures you begin hydrated. During a workout, drink around 150-300ml every 15-20 minutes to replace fluids lost through sweat. Post workout fluids replenish what was lost.
Consider sports drinks for longer sessions
For workouts longer than 60 minutes, a sports drink containing electrolytes and carbs can help replace fluids and fuel energy needs better than water alone. Drinks with 6-8% carbohydrates are effective.
Watch out for overhydration too
While dehydration hampers performance, drinking too much fluid can also dilute essential electrolytes in the body and potentially cause hyponatremia or water intoxication. Listen to thirst cues.
Supplements for Specific Needs
While proper whole foods should form the base of an athlete's Sports Nutrition plan, supplements may provide added support for some individuals and sports:
Creatine - For improved high intensity performance
Creatine supplementation (3-5g per day) has been shown to increase phosphocreatine stores in muscles which can boost high intensity exercise capacity like sprinting or weightlifting.
BCAAS - For muscle protein synthesis
Branched chain amino acids (BCAAs) like L-leucine, L-isoleucine and L-valine may further support muscle protein synthesis when consumed alongside workout protein.
omega-3s - For reduced inflammation and injuries
Fish oil supplements containing EPA and DHA omega-3 fatty acids can assist the anti-inflammatory response to exercise and help prevent overtraining injuries.
Protein powders - For convenience
Protein shakes or bars provide a portable source of muscle-building protein that is convenient when real food sources are limited. Whey and casein protein types are easy to digest.
Overall, an athlete's diet should focus on balancing macro and micronutrients from whole foods to fuel performance goals. Supplements may offer additional targeted support when individual needs require. Following sports nutrition guidelines can help maximize one's training capacity and recovery.
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