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They once cited a study wrong. That’s were all this bullshit came from.
The study found out that a body can absorb about 25 grams per hour. If you eat or drink more at the same time it just takes more hours to fully digest things. A hard egg for example can take up to 7 hours before it’s fully digested.
This article, and many others I found basically all state the same thing. You can eat as much protein as you want per meal. There technically is no “cap” however as soon as your dietary needs are met protein wise (which is about .8g-1.2g per lb of body weight) the extra protein gets stored as fat. I’m a kinesiology major in my last year of school on the pre-med pathway and this is what we were taught as well. Is is recommended to only eat 15-30 g a meal but if you wanna eat 50 go for it. You just might end up storing some as fat or your kidneys might work unnecessarily hard depending on what else you have eaten that day.
The body absorbs all of the protein you consume, my meals all have at least 50g of protein in other wise I would have to eat like 8 meals a day if I could only use 25g per meal. You also don’t get fat if you eat more than 1g of protein per lb of your body weight the extra protein simply doesn’t digest and will leave your body as waste (I have a level 3 personal training nutrition qualification if any one is doubting me)
https://academic.oup.com/ajcn/article/99/1/86/4577382?login=false
Above is an interesting study I found today. Basically above 20g you get diminishing returns on muscle protein synthesis and greatly increases AA oxidation.
Recently posted by Dr Attia. They do a good job of where that metric came from and what really happens. Also includes discussions on quality of different proteins and when you should take them.