I'm attending a Fitness Instructor and Personal Trainer course right now and just had a lecture where the teacher, ex-bodybuilder, told us that protein from vegetal sources (veggies, cereals etc) is useless, since it doesnt contain all the necessary aminos as animal protein does and contains mostly non-essential aminos, whereas the animal protein has the essential ones too.
BS or not?
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02-24-2021, 07:08 AM #1
Protein from vegetal sources - useless?
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02-24-2021, 07:12 AM #2
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02-24-2021, 07:16 AM #3
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02-24-2021, 07:47 AM #4
Most personal trainers don't know **** all about nutrition. They don't receive much, if any, training in the matter. Most spew mostly broscience BS. Is he kind of correct, sure. However, does anyone just sit there and chew on 1 specific food for all of their protein and dietary needs? No. As long as they eat from multiple varied sources they will get their protein in. One thing they could consider is supplemental Leucine since veggie sources can be lacking and may require higher amounts of food to stim MPS.
Bench: 365
Squat: 495
Deadlift: 535
Refrigerator Lover
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02-24-2021, 08:09 AM #5
That's really bad info, on several levels.
Vegetable protein contains all the essential amino acids. It contains a little less of some EAAs but as long as you're getting enough leucine per meal it won't matter. It will be just as effective for building muscle.
"muscle protein synthesis rates following the ingestion of 30 g milk protein do not differ from rates observed after ingesting 30 g wheat protein or a blend with 15 g milk plus 15 g wheat protein in healthy, young males."
https://www.cambridge.org/core/journ...5E5711B6B90217
Edit: and protein combining in order to get a complete AA profile is largely a myth. What matters is the total amount of leucine.Last edited by Mrpb; 02-24-2021 at 08:27 AM.
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02-24-2021, 08:13 AM #6
Vegetable protein sources can also be a refreshing form of variety for flavor, and in many cases (beans) carb-laden while being almost devoid of fat, making them excellent workout fuel and easier to incorporate into your daily calorie budget.
*disclaimer* I still love meat and eat it every dayBench: 350
Squat: 405
Deadlift: 505
"... But always, there remained, the discipline of steel!"
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02-24-2021, 08:34 AM #7
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02-24-2021, 08:49 AM #8
It's complete nonsense to be honest. Combining AAs to get complete protein doesn't do anything useful except make your diet more complicated.
Just look at this: 30 gram wheat protein on it's own is enough to fully stimulate muscle protein synthesis.
"muscle protein synthesis rates following the ingestion of 30 g milk protein do not differ from rates observed after ingesting 30 g wheat protein or a blend with 15 g milk plus 15 g wheat protein in healthy, young males."
https://www.cambridge.org/core/journ...5E5711B6B90217
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02-24-2021, 08:58 AM #9
Another reason why that bb.com chart is flawed: there are many errors in the claims about "missing" AAs.
For example: 100 gram oats
Not a single AA is missing. The only reason why 100 gram oats is suboptimal to build muscle is that it only provides 1.0 gram of leucine. THAT'S the limiting factor. The claim that it doesn't contain lysine or threonine is bs.
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02-24-2021, 09:14 AM #10
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02-24-2021, 09:20 AM #11
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02-24-2021, 09:29 AM #12
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02-24-2021, 09:56 AM #13
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02-24-2021, 10:33 AM #14
I'm doing it more for the actual license that allows me to train people legally. I'm not looking to learn anything new here.
We also went on and on about how to lose weight you HAVE to do fasted morning cardio to deplete glycogen from the fat storage, you HAVE to consume certain carbs at certain times during the day etc.
Wanted to ask him "ok, but how much does the actual caloric deficit/surplus matter in comparison to all these additional factors?" But didnt get the chance.
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02-24-2021, 10:38 AM #15
Are you sure about that? I thought collagen isn't cheap. I thought lysine is usually used for spiking protein powders.
Edit: looks like L-Taurine and/or L-Glycine are used https://us.myprotein.com/thezone/tra...20get%20tested.
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02-24-2021, 10:40 AM #16
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02-24-2021, 10:46 AM #17
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02-24-2021, 10:48 AM #18
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02-24-2021, 10:56 AM #19
The part about the carbs was the usual "consume high glicemic index carbs/sugars only post workout, since consuming them while the glycogen in the muscle is not depleted, they will end up in the fat storage, due to the blood sugar spike". Again, didnt get the chance to ask him "what if we're in a caloric deficit? Or what if we're eating fats and protein with the carbs?"
Last edited by AndyBendy; 02-24-2021 at 11:09 AM.
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02-24-2021, 11:11 AM #20
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02-24-2021, 01:32 PM #21
Well, for decades it was a cheap, inferior form of protein and was in a lot of the really cheap protein drinks and โshotsโ at Walmart and other discount stores. But like most cheap things, marketers find a way to spin it into being โsuperiorโ in order to jack up the price in order to quadruple profits. Similar what they did to the garbage fish tilapia and other foods.
This is actually a good marketers verbiage explaining their thinking
https://ersportsdrink.com/2020/03/wh...tain-collagen/2 time survivor of The Great Misc Outages of 2022
Survivor of PHP/API Outage of Feb 2023
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02-25-2021, 12:19 AM #22
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02-25-2021, 02:24 AM #23
Is this what you meant? https://jissn.biomedcentral.com/arti...970-014-0054-7
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02-25-2021, 02:27 AM #24
I'm curious, do you understand now that there's no need to combine proteins to get a complete AA profile?
These ideas are just outdated and lack scientific support. Perhaps in the general population there are people on low protein vegan diets that may end up short on certain AAs but it is of no concern for people who consume ~0.7 gram protein per lb.Last edited by Mrpb; 02-25-2021 at 03:25 AM.
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02-25-2021, 04:51 AM #25
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02-27-2021, 10:45 PM #26
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