- - how much protien
||12-06-2006 05:47 PM
how much protien
is there a maximum amount of protien i sould eat in one meal. i heard that your body can only absorb 20g of protien every 2 hours. so your body can only absorb 240g protien in a day right? and that is only if you space out your meals right? i weight about 152 5% body fat and am wrestling. please answer my questions and give me some advice.
||12-06-2006 07:16 PM
I don't think anyone can give you an exact number, but 20g is probably way too low. Alot of it is going to depend on your body and isn't standard for everyone. The type of protein also plays a big part as something like a whey protein shake is obviously going to be digested easier than a big hunk of steak that will take longer to break down.
Heres a quick summary from another thread I found on the topic:
The body has the ability to digest and assimilate much more than 30 grams of protein from a single meal.
Speaking of high intakes of protein, people have been perpetuating the myth that you can only assimilate about 30 grams of protein at a time, making protein meals any greater than a 6 oz. chicken breast a waste. This is anything but true. For example, the digestibility of meat (i.e. beef, poultry, pork and fish) is about 97% efficient. If you eat 25 grams of beef, you will absorb into the blood stream 97% of the protein in that piece of meat.
If, on the other hand, you eat a 10 oz steak containing about 60 grams of protein, you will again digest and absorb 97% of the protein. If you could only assimilate 30 grams of protein at a time, why would researchers be using in excess of 40 grams of protein to stimulate muscle growth?
Critics of high protein intakes may try to point out that increased protein intake only leads to increased protein oxidation. This is true, nevertheless, some researchers speculate that this increase in protein oxidation following high protein intakes may initiate something they call the "anabolic drive".
The anabolic drive is characterized by hyperaminoacidemia, an increase in both protein synthesis and breakdown with an overall positive nitrogen balance. In animals, there is a correspondent increase in anabolic hormones such as IGF-1 and GH. Though this response is difficult to identify in humans, an increase in lean tissue accretion does occur with exaggerated protein intakes.
The take home message is that, if you are going to maximize muscle growth you have to minimize muscle loss, and maximize protein synthesis. Research clearly shows this is accomplished with heavy training, adequate calories, and very importantly high protein consumption. This means that meals containing more than 30 grams of protein will be the norm. Not to worry, all that protein will certainly be used effectively by the body.
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