Sports nutrition degree
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Sports nutrition database
Intensive physical exercise that competitive sports athletes participate in can negatively affect their pro-oxidative–antioxidant balance. Compounds with high antioxidant potential, such as those present in ch…
An accurate estimation of athletes’ energy needs is crucial in diet planning to improve sport performance and to maintain an appropriate body composition. This study aimed to develop and validate in elite athl…
The review purposed to assess the current state of the eating behavior of athletes, food market development, food choice rationality, and effectiveness of the developed and elaborated recommendations. The primary analysis was performed using a text-mining tool to highlight and pick up concepts from the PubMed ScanBious source ( accessed on 15 September 2021) . The combined pool of articles of interest was comprised of 94 studies within 10 years depth. Additionally, we analyzed the literature from the past ten years and used secondary literature sources. The search was conducted using such resources as the National Library of Medicine (PubMed) and Mendeley for the keywords (MeSH) “sports”, “athletes”, “diet”, “nutritional requirements”, “physical endurance”.
Nutritional awareness and bias can also influence food choices . Thus, an athlete’s knowledge of foods, dietary patterns, and their role in health and athletic performance can influence their dietary choices. However, despite awareness in the field of sports nutrition, athletes do not always apply the knowledge gained in practice . Athletes at a higher level (international or national) have higher nutrition knowledge and are more responsible in their food choices while prioritizing performance . Although limited research suggests that nutritional knowledge can influence the diet of athletes, further research is needed that considers additional factors that may be important in an athlete’s diet.
Exercise increases skeletal muscle reactive oxygen species (ROS) production, which may contribute to the onset of muscular fatigue and impair athletic performance. Mitochondria-targeted antioxidants such as Mi…
Sports nutrition supplements
Much of the limited research on use of tart cherry to enhance exercise and athletic performance involves short-term use of a tart-cherry product or placebo by young resistance-trained men for about a week before a test of strength (such as single-leg extensions or back squats); participants continue taking the supplements for about 2 days after the test. Study results vary, but the benefits appear to include more rapid recovery of strength and/or lower perceived muscle soreness . One pilot study investigated the use of tart-cherry juice (472 ml/day; the equivalent of 100–120 whole cherries) or a placebo for a week before a marathon and 2 days afterward in 13 male and 7 female runners (age range 24–50 years) . None of the participants who drank the juice experienced airway inflammation causing upper respiratory tract symptoms after the marathon (a common complaint in many marathon runners), but half of those drinking the placebo did. Another study compared a supplement containing 480 mg freeze-dried Montmorency tart-cherry-skin powder (CherryPURE) with a placebo in 18 male and 9 female endurance-trained runners and triathletes (age range 18–26 years) . Participants took the supplements once a day for 10 days, including the day they ran a half-marathon, then for 2 days after the run. Participants taking the tart-cherry supplement averaged a statistically significant 13% shorter race finish time and had lower levels of blood markers of inflammation and muscle catabolism than the placebo takers, but perceptions of soreness of the quadriceps muscles did not differ significantly between the groups.
Odds are you were probably told to drink as much orange juice or take a Vitamin C tablet around cold and flu season to keep your immune system in tip-top shape, but it does much more than that. Getting enough Vitamin C will also ensure your cells, skin, blood vessels, and bones are healthy. It also helps speed up wound healing.
Caffeine is a well-known stimulant that can enhance physical performance by increasing energy, alertness, and endurance. It has been shown to improve aerobic performance, endurance, and even strength in some cases.
“Before exercising, you want to stick with foods that tend to digest easily, including some carbohydrate sources like fruits (bananas, apples or oranges), oatmeal or rice,” advises Sedlacek. “If you’re doing a longer workout routine that’s more than an hour long, you’ll want carbohydrates during that time to get that boost of quick-acting energy.”
Sometimes, athletes prefer to use sports drinks after exercising because they’re packed with electrolytes to replace what was lost in sweat. “Electrolyte beverages should be used during activities lasting longer than 60 minutes,” says Sedlacek. “If you have a history of chronic disease or conditions, check with your doctor before including higher sodium beverages.”
Some ingredients in dietary supplements used to enhance exercise and athletic performance can interact with certain medications. For example, intakes of large doses of antioxidant supplements, such as vitamins C and E, during cancer chemotherapy or radiotherapy could reduce the effectiveness of these therapies by inhibiting cellular oxidative damage in cancerous cells . Ginseng can reduce the anticoagulant effects of the blood thinner warfarin (Coumadin or Jantoven) . Iron supplements can reduce the bioavailability of levodopa (used to treat Parkinson’s disease) and levothyroxine (Levothyroid, Levoxyl, Synthroid, and others, for hypothyroidism and goiter), so users should take iron supplements at a different time of the day than these two drugs . Cimetidine (Tagamet HB, used to treat duodenal ulcers) can slow the rate of caffeine clearance from the body and thereby increase the risk of adverse effects from caffeine consumption .