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Essential Nutrients for Athletes

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Vitamin D

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Increases calcium absorption, bone health, muscle function, and immune function. Recommended intake: 600-800 IU/day; athletes may need more, especially in winter or if insufficient sun exposure.

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Potassium

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Important for nerve conduction, muscle contractions, and fluid balance. Recommended intake: 3.5-4.7 g/day; athletes may need more to replenish sweat losses.

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Amino Acids

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Building blocks of protein, important for muscle repair and growth, can be used for energy. Some are essential and must be consumed in diet.

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Magnesium

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Supports muscle and nerve function, energy production, protein synthesis. Recommended intake: Men 400-420 mg/day, Women 310-320 mg/day; athletes may require more due to losses in sweat.

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Protein

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Repair and growth of tissues, enzyme and hormone production, energy source when carbohydrates are scarce. Recommended intake: 1.2-2.0 g/kg body weight per day for athletes.

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Sodium

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Maintains fluid balance, nerve function, and muscle contractions. Recommended intake: 1.5-2.3 g/day; athletes who lose a lot of sweat may require more to avoid hyponatremia.

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Fiber

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Helps regulate digestion, reduces disease risk, can aid in weight management. Recommended intake: 25-38 grams per day; athletes may require more to support digestive health.

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Calcium

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Strengthens bones, involved in muscle function and nerve signaling. Recommended intake: 1,000-1,300 mg/day; athletes should ensure adequate intake to prevent bone loss, especially in sports with high incidence of stress fractures.

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Zinc

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Supports immune system, wound healing, protein synthesis, and DNA production. Recommended intake: Men 11 mg/day, Women 8 mg/day; athletes may benefit from more to support recovery and immunity.

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Fats

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Energy source during low-intensity exercise, supports cell growth, helps in nutrient absorption. Recommended intake: 20-35% of total daily calories for athletes.

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Antioxidants

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Protects against oxidative stress, supports immune function, reduces inflammation. Athletes may benefit from higher intake due to increased oxidative stress from exercise.

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Vitamin C

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Important for collagen synthesis, antioxidant protection, immune function, and iron absorption. Recommended intake: 75 mg/day for women, 90 mg/day for men; athletes may require more for tissue repair and immune support.

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Vitamin E

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Acts as an antioxidant, protects cell membranes, supports immune function. Recommended intake: 15 mg/day; athletes are advised to consume a diet rich in vitamin E to combat exercise-induced oxidative damage.

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Water

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Maintains hydration, regulates body temperature, transports nutrients. Recommended intake: 3.7 liters/day for men and 2.7 liters/day for women; more for athletes depending on sweat loss.

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Vitamins

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Support immune function, energy production, and bone health. Recommended intake: varies by vitamin; athletes should meet or slightly exceed the RDA.

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B-Vitamins

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Important for energy metabolism, red blood cell production, and repair and growth of cells. Recommended intake: varies by specific B-vitamin; athletes with high energy expenditure may require more.

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Omega-3 Fatty Acids

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Reduces inflammation, supports brain health, may enhance recovery. Recommended intake: 1-2 grams per day for athletes, focused on EPA and DHA.

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Iron

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Essential for oxygen transport, energy production, immune function. Recommended intake: Men 8 mg/day, Women 18 mg/day; athletes, especially females or those in endurance sports, may need more to prevent anemia.

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Minerals

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Involved in bone health, oxygen transport, and electrolyte balance. Recommended intake: varies by mineral; athletes need to ensure adequate levels, especially iron, calcium, and magnesium.

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Carbohydrates

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Primary energy source, spares protein, fuels central nervous system. Recommended intake: 6-10 g/kg body weight per day for athletes.

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