Best Sources of Protein
Adequate protein consumption is important for optimal health and having a positive nitrogen balance and amino acid profile aids in muscle gain and maintenance at any age. Many professionals recommend one gram of protein per kilogram of lean body mass desired. The purpose of this document is not to investigate protein needs for a certain desired body composition goal, but to discuss the functions of protein within the body and various sources including benefits and drawbacks of each category of protein source. Protein source selection consists of more than just reading a food label. The other factors to be considered are quality, digestion, absorption, and utilization . Some proteins may be much easier to digest than others and there is much variability in this regard. Lactose intolerance being one simple example. Absorption is also an important variable to be considered. The absorption of amino acids through the intestinal wall allows these potential building blocks the oppo