Crave Nutrition

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What is Fitness Science?

The principles involved in human performance nutrition, also known as sports nutrition, are built upon the principles of general nutrition and fitness science with special emphasis on optimizing human performance. Optimal nutrition is an essential part of every athlete’s training program, and the information contained separately in the Textbook of Nutrition is essential to understanding the proper application of nutrition in athletics.

The primary areas of concern are:

1) consuming enough calories to support performance;
2) consuming the correct balance of macronutrients before, during and after exercise; and
3) proper hydration.

There are other concerns for certain population groups as well, such as vegetarian or vegan athletes, or female athletes – particularly those who compete in sports that focus on weight or body build, such as figure skating and gymnastics.

Nutrition before, during and after exercise has significant effects on human performance. A pre-event meal keeps the athlete from feeling hungry before and during the event, and it maintains optimal blood glucose levels for working muscles. Carbohydrate feedings just prior to exercise can help restore suboptimal liver glycogen stores, which could result, for example, after an overnight fast. Allowing for personal preferences and habits, the pre-event meal should be high in carbohydrate, low in fat and fiber and easily digested.

Hydration and nutrition during an event has revolutionized human performance. During exercise, athletes should consume 30 to 60 grams of carbohydrate each hour (120 to 240 calories from carbohydrate per hour). Since both carbohydrates and fluids are necessary during events, sports drinks can go a long way in providing adequate carbohydrates and fluids. Typical foods that are used during long events include sports drinks, carbohydrate gels, energy bars and bananas. During vigorous activity, heat that is produced is dissipated through the process of sweating. However, long-term, extensive sweating can pose significant challenges for athletes with regard to fluid and electrolyte balance.

Without effective management, athletes will fatigue prematurely and, as dehydration progresses, heat exhaustion, heat cramps and heat stroke can result. Finally, recovery from intense activity requires nutrients that will replenish muscle glycogen stores, body water, electrolytes and triglyceride stores in skeletal muscle. Proper nutrition during the recovery period is essential for rapid and effective recovery and for optimal performance at the next event or workout.

Over the long term, athletes must pay attention to general nutrition and conditioning, while, during an event, adequate hydration and electrolytes become critical to maintaining optimum performance.

Smoothies Make Weight Loss Easy

The busier we are, the more likely we are to make hasty, unhealthy food choices – which is why the fast food industry is thriving. Planning, shopping for and cooking healthy meals takes time – something most of us don't have enough of. Fortunately, there are alternatives – high protein meal replacements and bars are a great way to fit high quality nutrition into a busy lifestyle.
 
There are a plethora of choices when it comes to meal replacement bars and shakes, but beware – not all bars and shakes are created equal. Most are loaded with bad sugars, artificial sweeteners and trans-fats. Our nutrition club as reviewed 1,000's of products on the market – we use a proprietary blend of only the highest quality ingredients without sacrificing taste.
 
For example, our proprietary meal replacement powder offers you great taste (much better than chalky powder mixes you may buy at the store) and a balanced nutrition – a complete meal, not just another protein shake. Along with 9 grams of high-quality soy protein (remember protein is the foundation for a healthy meal!), our mix provides 23 vitamins and minerals (including antioxidant vitamins C and E), fiber and beneficial herbs. Shakes can be made with fruit juice, soy milk, low-fat milk or yogurt – giving you the flexibility to get the amount of protein you need and the taste you want.
 
The best part? There are many fantastic flavors and recipes you can try. Here are just a few that you can try when you come into our club:
 
·         Chocolate Caramel Cappuccino
·         Butter Pecan
·         Strawberry Cheesecake
·         Very Berry Day
·         Snickers
·         Pistachio
·         Blueberry Cheesecake
·         Apple Pie
·         And many more…
 
Love the flavor? We will give you the recipe, along with our Proprietary Meal Smoothie mix and Protein Blend, so you can make your favorite smoothies at home. Meal planning just got easier!

The Importance of Protein

The word protein originates from the idea that proteins are central to life and the first nutrient. Vitamins – vita meaning life and amin meaning protein – got their name from the misconception that amino acids, the building blocks of protein, were the essential components for maintaining life.

Proteins are found in animals and plants, but the mixture of amino acids – the building blocks of the protein found from different sources – varies. As a result, there are 21 common amino acids consisting of 12 nonessential and nine essential amino acids. Essential amino acids are those that cannot be synthesized from other amino acids, but must be consumed in the diet. The usual way that nonessential amino acids are formed is by metabolism of other amino acids. All amino acids have a basic structure of an alpha-amino nitrogen and carboxylic acid.

Maintaining the amounts of protein in muscles and organs is essential to life and is the main objective of the adaptation to starvation. In fact, loss of more than 50 percent of body protein is incompatible with life. The protein is stored in organs and there is no labile compartment.

The Importance of Protein
There is evidence that modestly increasing the proportion of protein in the diet, while controlling total calorie intake, may:

* Improve body composition.
* Facilitate fat loss.
* Improve body weight maintenance after weight loss.

Fat Retention
Mankind is very well adapted to malnutrition and starvation, and this adaptation is reflected both in the way the body stores energy and how it uses these stores of energy when food intake is reduced or eliminated altogether. In the average 70 kg (154 lbs) man:

* The largest store of calories is in the form of fat in adipose tissue with approximately 135,000 calories* stored in 13.5 kg (30 lbs) of adipose tissue.

*A dietary calorie is 1,000 calories or a kcal, but for simplicity will simply be noted as calories. You may also see dietary calories capitalized as “Calories.”

This storage compartment can be greatly expanded with long-term overnutrition in obese individuals.

There are approximately 54,000 calories stored as protein both in muscle and organs, such as the heart and liver. Only half of these calories can be mobilized for energy, since depletion below 50 percent of total protein stores is incompatible with life. In addition to being an energy source, protein plays a functional role in many organs, including the liver, and depletion is associated with impaired immunity to infection. In fact, the most common cause of death in an epidemic of starvation is typically simple bacterial pneumonia. Conservation of protein is an adaptation tightly linked to survival during acute starvation.

Meal Replacement Shakes and Weight Maintenance
Studies show that meal replacement shakes are a viable way to maintain weight, as recognized by the European Food Safety Authority, and that increasing the protein to about 30 percent of resting metabolic rate, as estimated by bioelectrical impedance, leads to greater loss of fat with retention of lean body mass.

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