Hydration is the foundation of performance and safety. A 2% fluid loss reduces endurance, coordination, and cognitive function. Drink water regularly throughout the day, not until thirst (which is a delayed signal). For workouts longer than 60 minutes or in hot weather, supplement with electrolytes (sodium, potassium, magnesium) through specialized drinks or natural sources (coconut water, bananas). Urine color is a simple indicator: light straw-colored urine indicates adequate hydration.
Timing meals around your workout can improve results, but it’s not a magic key. A light carbohydrate-protein snack 1-2 hours before exercise will provide energy, while consuming protein and carbohydrates within 1-2 hours afterward will speed recovery. However, the overall daily balance of macronutrients and calories is more important than the precise timing. Experiment: some people train comfortably on an empty stomach, while others need a snack—listen to your body and find your optimal level.
Micronutrients (vitamins and minerals) play a key role in energy metabolism, immunity, and recovery. Active people have increased needs for iron (oxygen transport), magnesium (muscle function, sleep), vitamin D (immunity, bones), and antioxidants (fighting oxidative stress). With a varied diet, deficiencies are rare, but with restrictions (veganism, low-calorie diets) or intense exercise, it’s worth considering blood tests and, if necessary, supplementation under the supervision of a specialist.
Individuality is the main principle of sports nutrition. There’s no one-size-fits-all diet: your needs depend on your gender, age, genetics, training type, goals, and even your gut microbiome. Keep a food diary, noting not only what and how much you eat but also how you feel during and after your workouts. Adjust your diet based on data and how you feel, not on trends. What works for an Olympic champion may not work for you—and that’s okay.
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