RE: Higher protein diets reduce ad libitum caloric intake

[Guest guest]

>>Here are a couple of abstracts describing how higher-protein diets

(30% protein) reduce caloric intake. There may be some lessons here

for CR practitioners.

Out of the four commonly consumed macro nutrients, protein, starchy carb, sugary

carb, and fat, protein is the most satieting and I listed them in order of

satiety. Controlled studies using isolated nutrients has shown this.

However, in the context of real foods, we usually dont consume isolated protein,

or other macro nutrients, so when we look at the ratios, we have to see the

" context " of the food that delivered the protein. Some higher protein foods

are extremely high in calorie density and some are very low in calorie density.

The ones lower in calorie density have shown to be higher in satiety, when

studies as whole foods in the satiety studies. The difference is usually the

percent water and the percent fat. The lower the fat content and higher the

water content, the more satiating... When we compare shrimp (high water, low

fat) vs salmon (High fat, less water) the shrimp is more satiating.

So, some of the satiety is due to the protein and some is due to the context of

the food that the protein is in.

Here are two studies where the diets were similar to the 30/30/40 and studied

for one year. In each study, one diet was .8gm/kg and the other was 1.8gm/kg.

The higher protein diets did not due as well as the lower/normal protein diets

in markers of insulin, IGF, gluconeogenesis..So there may be some short term

benefit on glucose levels or weight, but not in the long term on other factors

including the loss of endogenous insulin and the health of beta cells.

http://www.augen.med.uni-giessen.de/med3/poster/publ_pdf/047.pdf

http://jcem.endojournals.org/cgi/content/abstract/81/11/3938?ijkey=b464898f9ce62\

323e5869dba7eb3a0662ec99f50 & keytype2=tf_ipsecsha

[Guest guest]

>>Here are a couple of abstracts describing how higher-protein diets

(30% protein) reduce caloric intake. There may be some lessons here

for CR practitioners.

Out of the four commonly consumed macro nutrients, protein, starchy carb, sugary

carb, and fat, protein is the most satieting and I listed them in order of

satiety. Controlled studies using isolated nutrients has shown this.

However, in the context of real foods, we usually dont consume isolated protein,

or other macro nutrients, so when we look at the ratios, we have to see the

" context " of the food that delivered the protein. Some higher protein foods

are extremely high in calorie density and some are very low in calorie density.

The ones lower in calorie density have shown to be higher in satiety, when

studies as whole foods in the satiety studies. The difference is usually the

percent water and the percent fat. The lower the fat content and higher the

water content, the more satiating... When we compare shrimp (high water, low

fat) vs salmon (High fat, less water) the shrimp is more satiating.

So, some of the satiety is due to the protein and some is due to the context of

the food that the protein is in.

Here are two studies where the diets were similar to the 30/30/40 and studied

for one year. In each study, one diet was .8gm/kg and the other was 1.8gm/kg.

The higher protein diets did not due as well as the lower/normal protein diets

in markers of insulin, IGF, gluconeogenesis..So there may be some short term

benefit on glucose levels or weight, but not in the long term on other factors

including the loss of endogenous insulin and the health of beta cells.

http://www.augen.med.uni-giessen.de/med3/poster/publ_pdf/047.pdf

http://jcem.endojournals.org/cgi/content/abstract/81/11/3938?ijkey=b464898f9ce62\

323e5869dba7eb3a0662ec99f50 & keytype2=tf_ipsecsha