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Susan

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Posts: 5
Reply with quote  #1 

Hi Dee,

     I've been enjoying my shake using Solgar's whey protein powder.  I've noticed that the label says that the product also contains phenylalanine.  I have a few questions about that.  One, is there any kind of medical condition that would prevent someone from taking it; two, would armor thyroid and levoxyl, or any vitamins, be contraindicated; and lastly, does it have anything to do with the ingredient that was in Dimetapp and similar products that was taken off the market?  I also wanted to know if the Sprouts brand has phenylalanine in it.

     Looking forward to your response, Susan

deemccaffrey

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Posts: 1,162
Reply with quote  #2 

Hi Susan,

As I type this I am looking at my canister of Solgar Whey Protein Powder and I do not see phenylalanine listed anywhere on the ingredient list.  That would mean that the variety you are using is different from the one I have.  Mine is Natural Vanilla Bean Flavor and the front label says that there are no artificial sweeteners in it.  Phenylalanine is a compound used in the artificial sweetener aspartame, which I do know is harmful.  As far as contraindications or its presence in Dimetapp, I do not know.  The Sprouts brand "Show Me the Whey" is sweetened with stevia.

 

 


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Dee McCaffrey
http://www.processedfreeamerica.org
Susan

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Posts: 5
Reply with quote  #3 

Hi Dee,

   Thanks for your prompt reply.  Phenylalanine is not in the listed ingredients on the Natural Vanilla Bean Flavor container, and I did not see it either at first.  My son showed it to me-as you look at the box entitled Supplement Facts, look to the right.  The second paragraph begins,  "This product also contains phenylalanine...".  I stopped at Sprouts today and phenylalanine is also listed on its container, but not in the box of Supplement Facts; it is either in the ingredients or somewhere below that.  It appears where it is discussing the amino acid contents.

     Susan

 

deemccaffrey

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Posts: 1,162
Reply with quote  #4 

Phenylalanine is the name of one of the 9 essential amino acids.  It is found in proteins throughout the body and in most foods that contain protein such as meats, fish, and poultry, milk products, eggs and soy.  It is also in some nuts and seeds. Since whey protein is derived from milk, it makes sense that phenylalanine is a component of whey protein powders.  Whey is the liquid left after milk has been coagulated to curds and the curds have been removed.  Cottage cheese is an example of curds and whey (that's what Little Miss Muffet was eating when she sat on her tuffet).

 

Due to a rare genetic disorder called phenylketonuria (PKU), manufacturers are required to let consumers know if their products contain phenylalanine.  People with PKU are missing an enzyme that is needed to properly metabolize phenylalanine, therefore they must restrict their intake so that phenylalanine does not build up in the body. 

 

Nature provides phenylalanine in combination with other essential amino acids in foods that contain protein.  It does not occur in nature as an isolated amino acid.  An example of chemically isolated phenylalanine is Aspartame, the artificial sweetener known as Equal and Nutrasweet.  Although aspartame does not contain phenylalanine per se, it breaks down into phenylalanine when it is ingested and metabolized. Too much isolated phenylalanine in the body can cause overexcitement of neruons in the brain to the point of cellular death.  Research has shown that too much isolated phenylalanine in the daily diet can trigger Attention Deficit Disorder, Hyperactive Disorder, emotional and behavioral disoders.

As for phenylalanine in whey protein powders, the green light is on.  Just be sure that you are not a victim of irony by consuming a protein powder that is sweetened with aspartame!


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Dee McCaffrey
http://www.processedfreeamerica.org
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