Nutrition is defined as the intake of food, considered in relation to the body's dietary needs. Good nutrition - an adequate, well balanced diet combined with regular physical activity - is a cornerstone of good health. Poor nutrition can lead to reduced immunity, increased susceptibility to disease, impaired physical and mental development, and reduced productivity.

The diet of an organism is what it eats, which is largely determined by the availability, processing and palatability of foods.

A healthy diet includes preparation of food and storage methods that preserve nutrients from oxidation, heat or leaching, and that reduce risk of food-born illnesses. Eating a healthy nutritious diet has been shown over and over to prevent a variety of diseases, including cancer. Good nutrition is vital to good health, disease prevention, and essential for healthy growth and development of children and adolescents.

Nutrition is the part of our daily living. Since we started our life journey as a fatuous to till the end of our life our need is nutrition. Our health, physiology its completely dependent on the nutrition.  Basically nutrition is categorised in various subparts as are seven major classes of nutrients: carbohydrates, fats, fiber, minerals, protein, vitamins, and water.

• Carbohydrates - our main source of energy.

• Fats - one source of energy and important in relation to fat soluble vitamins.

• Roughage (Fiber) - the fibrous indigestible portion of our diet essential to health of the digestive system.

• Minerals - those inorganic elements occurring in the body and which are critical to its normal functions.

• Proteins - essential to growth and repair of muscle and other body tissues.

• Vitamins - water and fat soluble vitamins play important roles in many chemical processes in the body.

• Water - essential to normal body function - as a vehicle for carrying other nutrients and because 60% of the human body is water.

 

These nutrient classes can be categorized as either; Macro-nutrients (needed in relatively large amounts) -  The macro-nutrients are carbohydrates, fats, fiber, proteins, and water. Micro-nutrients (needed in smaller quantities) - The micro-nutrients are minerals and vitamins. The macro-nutrients (excluding fiber and water) provide energy, which is measured in Joules or kilo-calories (often just called Calories). Carbohydrates and proteins provide 4 kcal of energy per gram, while fats provide 9 kcal per gram. Vitamins, minerals, fiber, and water do not provide energy, but are necessary for other reasons. The human body contains chemical compounds, such as water, carbohydrates (sugar, starch, and fiber), amino acids (in proteins), fatty acids (in lipids), and nucleic acids (DNA and RNA). These compounds in turn consist of elements such as carbon, hydrogen, oxygen, nitrogen, phosphorus, calcium, iron, zinc, magnesium, manganese, and so on. All of these chemical compounds and elements occur in various forms and combinations (e.g. hormones, vitamins, phospholipids, hydroxyapatite), both in the human body and in the plant and animal organisms that humans eat. Water is one of the most important nutrients in your diet. It helps eliminate food waste products in your body, regulates body temperature during activity, and helps digest food. 

Fatty acids: Most fatty acids are non-essential, meaning the body can produce them as needed. However, in humans at least two fatty acids are essential and must be included in the diet. An appropriate balance of essential fatty acids, Omega-3 and omega-6 fatty acids, is important for health. Both of these "omega" long-chain polyunsaturated fatty acids are substrates for a class of eicosanoids known as prostaglandins, which have roles throughout the human body. 

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Phytochemical : A growing area of interest is the effect upon human health of trace chemicals, collectively called phytochemical. These nutrients are typically found in edible plants, especially colourful fruits and vegetable but also other organisms including seafood, algae, and fungi. The effects of phytochemicals increasingly survive rigorous testing by prominent health organizations. One of the principal classes of phytochemicals are polyphenol antioxidants, chemicals which are known to provide certain health benefits to the cardiovascular system and immune system. These chemicals are known to down-regulate the formation of reactive oxygen species, key chemicals in cardiovascular disease. 

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We know the value and importance of nutrition, GB Fitness has its own nutritional analysis. Food habits, particular food allergies, stomach and digestive system, life style pattern, daily food discipline these are the  criteria of this nutritional analysis. After this analysis GB Fitness plans and designs a complete nutritional program so that it helps you reach your fitness and nutritional goal.

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Eat nutritious is recommendation of GB Fitness - Drink lots of water. Go easy on the salt, sugar, saturated fat and trans fat. Eat a variety of foods, including fruits and vegetables and whole-grain products. Eat lean meats, poultry, fish, beans and low-fat dairy products. Less consumption of alcohol and no smoke.

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