I just read a very useful article from the bodybugg group that gives great facts on Protein, Carbs and Water. Fat first:

Fat:

  • Dietary fat does not make you fat.Excess calories can make you fat.
  • Prolongs digestion, which gives you a lasting sensation of sullness.
  • Acts ascarrier for fat soluble vitamins (A,D,E and K)
  • The human body needs fat, it provides essential fatty acids

Protein:

  • Yeild 4 Calories per gram and can be used for energy.
  • Incomplete proteins do not contain an adequate amount of essential amino acids
  • Some incomplete proteins are complementary (rice and beans) when eaten together provide complete protein.
  • Complete proteins are usually from animal sources and contain all 22 amino acids

Carbohydrates:

  • One gram of carbohydrates yields 4 calories
  • Carbohydrates are the perfectpreferred form of energy
  • Help maintain proper cellular fluid balance
  • Maintain satiety by keeping glycogen stores full and adding bulk to the diet
  • Spares protein for muscle building
  • Primary sources are fruits, vegetables and grains

Proper Water Intake:

  • Alleviates Fluid Retention
  • Improves metabolic, endocrine gland excretory and liver dunction
  • Restores natural thirst
  • Significantly Decreases Appetite

The entire article is available when you sign up for the Free Updates and explains the role of each of these elements for weight loss and muscle gain!