How Your Protein Requirements Change as You Get Older

The majority of Americans consume an adequate amount of protein each day. Experts believe that's no reason to stop paying attention to it.

Protein is required for every bodily function, including muscle, bone, and collagen formation, digestion, and infection resistance, according to Glenda Courtney-Martin, a nutrition expert at the University of Toronto.

And how much you require varies throughout your life, based on your age, body size, and other factors. You may fall short without realizing it at times,

according to Stuart Phillips, a muscle physiologist and nutrition researcher at McMaster University in Hamilton, Ontario, Canada.

According to Dr. Phillips, federal guidelines issued in 2005 indicate a daily protein intake depending on your age and weight, but more recent research suggests that these quantities should be somewhat higher for optimal health.

Dr. Phillips said that we need to eat protein every day because old proteins deteriorate and must be replaced, much like replacing old bricks in a crumbling wall.

Babies, older children, and teenagers are continually developing, therefore they require more protein in proportion to their body weight than adults, according to Dr. Courtney-Martin.

According to federal guidelines, infants aged 7 to 12 months require 0.54 grams of protein per pound of body weight per day, whereas adults require 0.36 grams per pound.

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