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Summertime nutrition hydration and d


Proper hydration for athletes, vitamin D its importance and how to get it

Proper hydration for athletes, vitamin D its importance and how to get it

Published in Health & Medicine
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  • 1. Summertime Nutrition
    Hydration and Vitamin D
  • 2. Dehydration
    Athletes who train 2 hours/day can easily lose an additional 2 liters resulting in a total fluid loss of up to 5 liters/day.
    increases your core temperature causing cardiovascular strain in the form of increased heart rate
    increased blood pressure
    lower cardiac output (the volume of blood pumped by the heart in one minute).
  • 3. Signs of Dehydration
    Outward signs of dehydration are obvious thirst, muscle cramps, weakness, decreased athletic performance, difficulty with focus, headache, nausea, fatigue, reduced urine output, dark urine and dizziness.
    In athletes, even 4% dehydration can result in 20-30% decrease in work performance.
    The problem with these “warning signs” is that they are not truly a “warning” at all.
  • 4. Too Late…
    By the time you experience these symptoms, dehydration has already occurred.
    If you are dehydrated going into a physical activity, no amount of water you drink during the activity is going to make up for not drinking enough water on a daily basis.
    Voluntary fluid intake during physical activity usually replaces only 50% of the sweat loss.
  • 5. Avoid Dehydration
    Drink water before you feel thirsty.
    General recommendations for adults is take your body weight, divide in half and drink that many ounces of water per day. Don’t exceed 3 quarts on a day to day basis.
    You need enough water per day to urinate every 2-4 hours.
    Normal urine color should be pale yellow.
    Be aware that medications (especially diuretics), caffeine and alcohol consumption will increase your fluid needs.
  • 6. Hydration During Exercise
    140lb adult
    2 hours prior to exercise drink 16-24 ounces of water (approx. 2-3 cups)
    15 minutes prior to exercise drink 3-6oz (1/2-1 cup).
    During exercise drink 4-6oz (about ½ cup) for every 20 minutes.
  • 7. Replace the Lost Fluids
    Measure yourself before and after exercise to determine your individual needs.
    It is recommended you drink water until your pre-workout weight is attained
    Generally 16oz of water/lb. of body weight lost
     Your blood and other fluids help to remove waste products and to bring nutrients to tissues for repair.
    Replacing lost fluids as quickly as possible after a workout will speed up your recovery.
  • 8. What about Sports Drinks?
    When choosing a sport drink or enhanced beverage, the fluid should contain some carbohydrate (not too much) and some NaCl.
    The carbohydrate helps to maintain training intensity because it is the primary energy fuel used during exercise events.
    Sodium chloride is necessary not so much for replacement of lost levels rather it helps to stimulate water uptake and retention as well as carbohydrate uptake.
  • 9. Carbohydrate Matters
    Studies have shown that combining the different carbohydrates (sucrose, fructose and glucose) helps athlete’s burn 55% more carbohydrates than those with glucose solution only.
    Many top selling sport drinks contain only high fructose corn syrup and artificial sweeteners.
    Drinking more than 60 grams of fructose will inhibit performance and result in diarrhea.
  • 10. Sports Beverages Are Not to Replace Clean Water!
    Too many calories for most kids
    Lowers appetite
    Having a problem getting kids to eat fruits and vegetables?
    Eliminate flavored beverages like sports drinks, coffee drinks, juice, etc.
  • 11. Sports Drinks
    A study by the University of Maryland Dental School has found that sports drinks contain acids that stimulate the breakdown of tooth enamel, leading to cavities. The enamel damage caused by sports drinks was from 3 to 11 times as great as that caused by cola-based drinks. The acid in the drinks causes the pH level in the mouth to drop, which stimulates the life cycle of mouth bacteria that cause cavities.
  • 12. Just Say No to Fruit Juice
    Some may think juice to be nutritious, but it isn't the best choice for hydration.
    Juice is primarily fructose which can reduce the rate of water absorption so cells don't get hydrated very quickly.
  • 13. Honey Sticks or Liquid Gold for Energy
    Honey sticks are equal parts glucose & fructose.
    Glucose will be absorbed quickly while the fructose portion burns a little slower so your blood glucose doesn’t bottom out.
    Honey sticks can be purchased at your local health food store or online.
    Organic sports energy gel
    Honey for energy
    Molasses and Sea Salt for electrolytes
  • 14. Coconut Water
    Coconut Water
    Per ounce
    5.45 calories
    1.3 grams sugar
    61 mg potassium
    5.45 mg sodium
    Per ounce
    6.25 calories
    1.75 grams sugar
    3.75 mg potassium
    13.75 mg sodium
  • 15. On a budget? Make your own!
    Make your own Sport Drink!
    1/4 cup evaporated cane juice dissolved in hot water
    1/4 teaspoon iodized sea salt
    1/4 cup OJ (or other fruit juice)
    Add enough filtered water to make 1 quart
  • 16. Vitamin D
    All cells and tissues in our bodies have vitamin D receptors
    Vitamin D is responsible for the regulation of over 2000 genes in the body
  • 17. Vitamin D Deficiency
    American Journal of Clinical Nutrition study found that vitamin D contributes to good health by:
    Boosting our immune system (decreases risk of colds and flus)
    Secretion and regulation of insulin by pancreas
    Regulates our heart and blood pressure
    Increasing muscle strength and brain activity
  • 18. Beyond Ricketts
    Vitamin D Deficiency contribute to:
    Decreased muscle strength
    Increased risk of falls
    Increase risk of colorectal, prostate, breast and stomach cancers
    Multiple Sclerosis, infections, type 1 Diabetes, high blood pressure, high cholesterol
    Poor mood
    Stunted growth due to weakened bones
    Poor cell formation and longevity
    Weakened bones due to decreased calcium uptake
    Poor sleep patterns
    Decreased athletic performance
    Poor skin health, accelerates aging process
    Improper digestion and food absorption
    Hearing and vision problems
    Generalized muscle aches and bone pain (fibromyalgia)
  • 19. Rare in foods
    Vitamin D is very rare in foods
    Found in limited amounts (naturally) in eggs, liver and fatty fish
    Wild salmon contains 981 I.U.’s vit D
    Farmed salmon contains 249 I.U.’s vit D
    Also in D fortified milk and dairy products
    Study of women and infants found 76% of moms and 81% of newborn infants were deficient despite 96% of moms drinking D fortified milk, 90% taking a multi w/ D and 70% eating fatty fish
  • 20. What can you do?
    Want Vitamin D3
    Take 2000 I.U.’s/day safely without testing to check your levels. If highly deficient you may take 10,000 I.U.’s per day if you have been tested
    Vitamin D is a fat soluble vitamin which means it is possible to overdose when taken as a supplement
  • 21. Sun Exposure
    You cannot become vitamin D intoxicated due to too much sun exposure
    Studies have shown sun exposure to produce 20,000 I.U.’s of vitamin D in the body
    Any person living North of Atlanta, GA cannot make vitamin D in wintertime.
    So now is our time to make enough Vitamin D
  • 22. Is it safe?
    UVB rays hit our skin, interact with cholesterol under the skin and through a series of biochemical reactions, vitamin D is formed
    Using SPF 15 or higher sunblock decreases our ability to make vitamin D by 99%
    5-15 minutes of sunlight on arms and legs between the hours of 10am – 2pm only 2-3 times per week. After that protect yourself from burning preferably with UV protectant clothing
  • 23. Thank you!
    Petrice Foxworthy, DC
    Cambridge Chiropractic