This is bro science spouted off by people who have no idea what the human body does. While you can't always utilize all of the amino acids for protein synthesis in the body, unless you have a severe pathology, you don't piss it out. You convert select amino acids into glucose via gluconeogenesis and then store it as glycogen. If your glycogen stores are full, your glucose gets converted to Acetyl-CoA, which is then synthesized into triglycerides, fat, and other compounds. Do you think we would have survived as prehistoric man if we pissed out all of our calories from the hunt?
This. Nicely done.
It cracked me up when I first investigated protein storage though.
Related question.. Specifically at SC because I know he's a DPT and you mofo's know what you're talking about.
So.. let's say you cal limit to maintain your body weight is 2000cals. And you're protein "limit" is 200g (making this up for sake of ease). If you ate 400g of protein and that amounted to 1800cals.. Would you still turn that extra "unneeded" protien into fat? Not sure if this is a reality with the whole limit of the protein thing... But my g/f who you know is also about to be a DPT advised me on eating too much protein.
Leangains.com had an article with a headline (paraphrasing) "Attacking Broscience Myths".
The protein piss was #1 on that list.
Well, the way I explained it is simplified. At all times, there is some degree of most of protein's pathways going on. I'll try to work under your assumptions. So you're saying 200g of protein will be the max that is utilized to help maintain the body's protein stores, repair damaged muscle tissue, etc. If you ate 400g, the extra 200g would go into other processes. As I said, the process known as gluconeogenesis actually allows select amino acids to be converted into glucose. Glucose will then be used to help run the body via oxidative pathways at rest (aerobic glycolysis, the citric acid cycle). The body may, to a certain degree, then continue using that glucose to convert to fat directly after a meal (because it does immediately store excess food as glycogen, fat for utilization later in the day). Like I say though that will be used before the day is done so overall you will not have gained fat.
The big thing about eating excess protein is that it's unnecessary and doesn't necessarily provide a lot of nutrition. Think about a chicken breast. It's high in protein. What else? May a little bit of cholesterol your body can utilize to synthesis steroid hormones. Great. But if you think about it, there aren't antioxidants. There aren't really any vitamins. There aren't many minerals.
Research has shown that even high level power athletes don't experience extra gains in terms of hypertrophy, body composition, etc above 2g of protein intake per kg body weight. That's essentially eating 1g per pound of body weight of protein. So really if you're eating more than that, I'd say you're doing yourself an injustice by not eating more foods that could do more for your body.
Also, some people say excess protein is hard on your kidneys which is a farce. She may be operating under that belief, but it only applies in people who have kidney pathology. In that case, excess protein can excessively stress the kidney resulting in exacerbated kidney failure and more.
Things to consider: if you're not eating lean meats, then the excess fat may not be ideal for your artery or heart health. I say this under the stipulation that you eat "too much" meat. And I assume "meat" means fatty meat as well.
It's so hard for me to eat a high protein diet with low carbs, yet.. meet my calorie goals for the day, BUT not going over that 1g/lb of body weight.
I am on a ~2500cal diet w 200g protein, 150g carb and 75g fat. Weigh 187lb, going for fat loss.
edit: So just did a quick calc. I assumed that 1g of fat was 9 cals, 1g protein 4cal and 1g carb 4cals. Using those assumptions, plus using a 3:2:1 protein:carb:fat ratio for my diet, and going with the premise that I should not go over 1g/lb of body weight (so 185g of protein) a day.. The max cals I could get from that situation is 1788cals. Obviously with those constraints there's no possible way I can meet my calorie goals. So 1 of 2 things would need to change..Either I change my ratio of the 3:2:1 OR I eat more protein than 185g, keep the ratio the same, thus upping my cal intake.
Lol, quick catch but I still saw what you said. Firstly, proteins are huge compared to other things in the body like ions, etc. You break down protein that's taken in to amino acids. The pores in your kidneys should essentially be so tight that ions have trouble getting through them. If you're able to excrete amino acids or, even worse, proteins then your glomerulus (functional unit in the kidney) is shot and you'll probably be seriously dehydration, wasting glucose, etc. You're right about the original guy not knowing what he's talking about, but peeing out any nutrients is not typically normal. However, you may excrete small amounts of things like glucose in the case of a huge feeding (I'm talking thousands of calories in a sitting).
It's *fine* to eat more protein when you are dieting.
-protein keeps you more full than carbs
-digestion takes hrs and the protein will be used at some other point in the day
-protein can be used as a source of energy as well, SC has explained
The idea of dieting is to lose fat and retain muscle. You won't build much muscle when you drop 20-30lbs on a calorie deficit. I have no idea why people think/ want to build muscle when they are losing fat weekly.
Hit your macros and you will lose weight and hopefully retain more muscle than you lose fat. Job done.
Koing
Keeping that 3:2:1 ratio and assuming I need to eat 2500cals a day..My macros are:
260g protein
173g carb
86g fat
^clearly that's too much protein. The only other option is that the 3:2:1 ratio is not actually correct or something one should be following for slow, maintainable weight loss.
I haven't suggested the ratio of 3:2:1 ever.
Hit 200-220 protein, fill with carbs and fats to your 2400-2500cal. Job done.
You are over complicating things.
Koing
Just seemed to have read that ratio a few places online before.. Forget where. Luckily that's about what I've been doing. Ok now just time to hunker down and stick with this! Away I gooo, weeeeeeeeeeeeee!
Excess protein gets stored as fat, unless your an ectomorph. In that case, it all goes to building muscle and the rest gets burned up naturally.
Thank God someone's reaching the masses.
Excess protein gets stored as fat, unless your an ectomorph. In that case, it all goes to building muscle and the rest gets burned up naturally.
Not really. We're the people that need 6000 calories to gain weight at an appreciable speed.Ectomorphs actually gain lean mass on fat and carbs. Any protein they eat is farted out as unicorn gas, which creates double rainbows all the way.
Fucking ectomorphs have all the luck.
Not really. We're the people that need 6000 calories to gain weight at an appreciable speed.