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[39] [50] [51] When food protein intake is periodically high or low, the body tries to keep protein levels at an equilibrium by using the "labile protein reserve" to compensate for daily variations in protein intake. However, unlike body fat as a reserve for future caloric needs, there is no protein storage for future needs. [2] Excessive ...
However, the body can selectively decide which cells break down protein and which do not. [citation needed] About 2–3 g of protein must be broken down to synthesize 1 g of glucose; about 20–30 g of protein is broken down each day to make 10 g of glucose to keep the brain alive. However, to conserve protein, this number may decrease the ...
Using ketones lowers the need for glucose, and the body slows the breakdown of proteins. Phase three: By this point, the fat stores are gone, and the body begins to turn to stored protein for energy. This means it needs to break down muscle tissues full of protein; the muscles break down very quickly.
Newer research suggests that most adults have higher daily protein needs than that — about 1.3-1.8 grams per kilogram of body weight — and that the government’s recommendations are too low.
“There is now a large body of evidence that shows the optimal range for an active healthy adult is anywhere between 1.6g and 2.5g of protein per kilogram of body mass each day,” says Mather.
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The protein requirement for each individual differs, as do opinions about whether and to what extent physically active people require more protein. The 2005 Recommended Dietary Allowances (RDA), aimed at the general healthy adult population, provide for an intake of 0.8 grams of protein per kilogram of body weight. [ 43 ]
Doing this over a long period of time could lead to what’s known as “protein poisoning,” which occurs when you do not eat enough fats or carbs to balance your diet. (It’s sometimes ...