I recently inquired with my doctor about macronutrients, and later in the conversation she mentioned that I should limit my protein intake to no more than roughly 30% of my diet because any more than that could be detrimental to my kidneys.
Is there any true to this, and does this truth vary between an average person and one who lifts weights with a stricter diet.
Thanks for any and all input.
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11-28-2011, 01:17 PM #1
Too much protein, bad for kidneys?
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11-28-2011, 01:20 PM #2
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11-28-2011, 01:20 PM #3
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Find a new doctor. Seriously.
Assuming that you do not have an underlying condition where (high) protein intake is contraindicated, then the statement is without foundation and is faulty by virtual of framing intake by percentage even for those with an underlying disease where protein intake needs to be restricted.
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11-28-2011, 01:28 PM #4
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Owner of:
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11-28-2011, 01:31 PM #5
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11-28-2011, 01:48 PM #6
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this is where u dun goofed brah
Doctors aren't exactly a wealth of knowledge when it comes to nutrition/training etc. They're qualified in other areas, not so much bodybuilding-related questions. Most will just use some broscience to dodge your question on the spot as to avoid saying simply "i don't know".advertising/self-promotion not permitted
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11-28-2011, 02:01 PM #7
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11-28-2011, 02:03 PM #8
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11-28-2011, 02:17 PM #9
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11-28-2011, 04:06 PM #10
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Your doctor was right (they usually are). In mentioning the kidney, she was probably referring to all the work it has to do with urea (nitrogen) and all the stuff that comes with it (like electroneutrality). It's a byproduct of protein metabolism and it's up to your kidney to filter and reabsorb (don't ask) the stuff.
Can it be bad for you? You bet it can. Your kidneys can be overworked (see diabetes). Now, protein ain't as bad as glucose, but you're still putting extra stress on your body. Protein itself likely won't push you into the danger territory, but it can be a contributing factor. And, this is the truth for everyone (no difference between an average person and an active one).
As the saying goes, all things in moderation.
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11-28-2011, 04:50 PM #11
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11-28-2011, 05:17 PM #12
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And you get your information from where? T-Nation? Biology books from 1940?
I don't have a full list at hand, but plenty evidence exists to make your claims ridiculous.
http://www.ncbi.nlm.nih.gov/pubmed/16174292
"While protein restriction may be appropriate for treatment of existing kidney disease, we find no significant evidence for a detrimental effect of high protein intakes on kidney function in healthy persons after centuries of a high protein Western diet."
Full text:
http://www.nutritionandmetabolism.com/content/2/1/25
Glucose bad for you? Right. So eating carbohydrates is totally out. Only Keto to save our kidneys?
Dude, stop.Owner of:
www.Aspartame-Research.com
www.MayfieldFitness.net
Author of:
Flexible Dieting Handbook: How To Lose Weight by Eating What You Want - an Amazon Bestseller
"The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn, and relearn. "
― Alvin Toffler
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11-28-2011, 06:38 PM #13
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11-28-2011, 07:14 PM #14
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11-28-2011, 07:19 PM #15
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11-28-2011, 07:32 PM #16
My doctor told me, I kid you not, "I think I read somewhere that your body can only process 30g of protein at a time."
My response: "Whose body?"
Him: "Uh...well, everybody's."
Me: "So, same goes for an elderly woman as goes for me?"
Him: "Well, no, not exactly. I'm not sure of the exact science behind it."
Me: "Right."
I've been seeing a different doctor ever since. Something about beginning a sentence with "I think I read somewhere..." was really a turn-off in assessing the credibility of the person to whom I was entrusting my physical well-being.My guilty pleasure: excessive cardio.
Progress towards the 1000 lb club: 945/1000
Bulking until I hit 1000. I don't care if it takes a 40 pound weight gain. No more pussyfooting around.
"The consummate leader cultivates the moral law and strictly adheres to method and discipline; thus it is in his power to control success." - Sun Tzu
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11-28-2011, 07:33 PM #17My guilty pleasure: excessive cardio.
Progress towards the 1000 lb club: 945/1000
Bulking until I hit 1000. I don't care if it takes a 40 pound weight gain. No more pussyfooting around.
"The consummate leader cultivates the moral law and strictly adheres to method and discipline; thus it is in his power to control success." - Sun Tzu
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11-28-2011, 07:36 PM #18My guilty pleasure: excessive cardio.
Progress towards the 1000 lb club: 945/1000
Bulking until I hit 1000. I don't care if it takes a 40 pound weight gain. No more pussyfooting around.
"The consummate leader cultivates the moral law and strictly adheres to method and discipline; thus it is in his power to control success." - Sun Tzu
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11-28-2011, 07:42 PM #19
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11-28-2011, 08:49 PM #20
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11-28-2011, 10:25 PM #21
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11-28-2011, 11:07 PM #22
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11-29-2011, 02:57 AM #23
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11-29-2011, 06:30 AM #24
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11-29-2011, 06:40 AM #25
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11-29-2011, 07:04 AM #26
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11-29-2011, 07:27 AM #27
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11-29-2011, 09:35 AM #28
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11-29-2011, 09:45 AM #29
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