4 ms·

i so confused. is phenylalanine good or bad?

• sharedfrog 4y ago
  > essential amino acid Essential means you both need it to live and your body can't make it on its own - you must get it from diet.
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• FredPret 4y ago
  Causing one to be not dead weighs heavily in its favour by my reckoning
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• tetraca 4y ago
  It generally isn't. Some people don't have the ability to metabolize phenylalanine, and it will slowly poison them. However, if this is you, you would definitely know.
  • amelius 4y ago
    So if your PA level is constantly high because of drinking Diet Coke, then you will poison yourself too?
    • mlyle 4y ago
      No.
    • tetraca 4y ago
      > PA level is constantly high because of drinking Diet Coke I'd probably question if this is even possible in a healthy individual. You probably eat a lot of phenylalanine regularly. My intuition is that you'd really have to go out of your way and actively want to give yourself brain damage to even achieve this. Given this: https://www.myfooddata.com/articles/high-phenylalanine-foods.php https://www.myfooddata.com/articles/high-phenylalanine-foods... which shows chicken breast has 2190mg and your average can of diet coke has around 104 mg https://pubmed.ncbi.nlm.nih.gov/1617863/ https://pubmed.ncbi.nlm.nih.gov/1617863/, I think that probably holds. EDIT: That link probably underscores that the warning label on your coke can is purely for the benefit of Phenylketoneurics, not you. A steak & 2 egg breakfast with a latte would land you with far more phenylalanine than you could sanely consume purely through coke. You'd likely be sick from the caffeine sooner than the phenylalanine.
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• hinkley 4y ago
  If you have phenylketonuria, then you can't metabolize it very fast and so anything in excess of what your body needs becomes a liability.