21-Day Vegan Kickstart

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Forums: September 2010 Kickstart Forum Archive: Protein
Created on: 09/21/10 10:21 AM Views: 1011 Replies: 3
Protein
Posted Tuesday, September 21, 2010 at 10:21 AM

I am not even sure if this is a silly question... but it seems i eat a lot more protein eating vegan. Is that a concern?
I like beans, they hold me and i don't get hungry. I have protein in my soy milk w/breakfast, protein via/beans in my soup at lunch, and then beans is always a main part of dinner. So is that too much protein? Also now i have tofu for dessert.. berry mousse.. yum.. or chocolate tofu pudding...
I definately get my share of all the colors of veggies too.

Also.. hubby is older and has older kidneys (not up to full capacity), prostate etc. He even had one doc tell him he would not drink protein shakes. If he eats the same.. would he get too much protein.

RE: Protein
Posted Tuesday, September 21, 2010 at 10:35 AM

This is from our website NutritionMD.org:

Impaired kidney function. Studies of the Atkins diet and other low–carbohydrate, high–protein diets have not been of sufficient duration to evaluate their potential to affect kidney function. However, reason for concern comes from studies of the general population, in which diets high in animal protein are associated with reduced kidney function over time. Harvard researchers reported that animal protein intake is associated with decline in kidney function, based on observations in 1,624 women participating in the Nurses’ Health Study. The good news is that the damage to the kidneys was found only in those who already had reduced kidney function at the study’s outset. The bad news is that as many as one in four adults in the United States may already have reduced kidney function, and the percentage is considerably higher for those over 40 or who have hypertension. Mild kidney impairment is also found in approximately 40 percent of individuals with diabetes. This suggests that many people who have kidney problems are unaware of that fact and do not realize that high–protein diets may put them at risk for further deterioration. The kidney–damaging effect was seen only with animal protein. Plant protein had no harmful effect.

Source: Knight EL, Stampfer MJ, Hankinson SE, Spiegelman D, Curhan GC. The Impact of Protein Intake on Renal Function Decline in Women with Normal Renal Function or Mild Renal Insufficiency Ann Int Med 2003;138:460-7.

I wouldn't worry about the protein sources you are getting from beans and grains. They tend to act appropriately in the body. That being said, I have to agree that taking a protein supplement of some sort (plant or animal source) is totaly unnecessary and possibly harmful.

Susan Levin, MS, RD
PCRM Director of Nutrition Education

RE: Protein
Posted Tuesday, September 21, 2010 at 10:59 AM

It has been my experience that when Dr's (and others) are speaking about protein, they mean "meat." They don't really think about or consider the protein in beans or vegetables.

Vikki ~ Wild4Stars@gmail.com

RE: Protein
Posted Tuesday, September 21, 2010 at 1:58 PM

My dog is now on a lower protein diet because of kidney problems. The vet said she has to stay away from "hard proteins", and I noticed that the special lower-protein, low-phosphorous food gets its protein more from egg white, less meaty but it's still animal protein. She seems to be doing better though, so I'm keeping with it.

Like you, I got to wondering and I've cut back on my protein powder (Vega) just in case. Now, if I have some it's 1/2 a scoop, which is 1/4 serving.

Weird side note - my dog also drinks distilled water now, and for some reason it's cheaper than typical purified bottled water even though it's purer.


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