Doctor insights on:
Phenylalanine And Tyrosine
What is the pathway and role of vitamin B12 in metabolism/catabolism of phenylalanine and tyrosine? Thank you.
What is the role of methionine in catabolism of phenylalanine and/or tyrosine? Can you please post any link about those two amino acids? Thank you
Methylation: When homocyateine is elevated there is problem with methylation. Methioneine, methyl folate, (folic acid) methyl cobalamine, and magnesium may all be helpful. Low blood pressure occurs with a histamine reaction. Vitamin c and bioflavanoids, copper avoidance and understanding histamine intolerance (google it) will help. Alcohol avoidance, frequent healthy meals, stress reduction, and frequent movement helps. ...Read more
How could one figure out the caffeine, l- phenylalanine, and n-acetyl-l-tyrosine values in a 5 hr energy shot through an experiment?
You'd: Have to purchase a lot more equipment than you have ...Read more
Are tyrosine supp. Helpful to replenish dopamine after Adderall (dextroamphetamine and racemic amphetamine) use on days i don't eat enough protein (dietary sources of tyrosine/phenylalanine)?
I want to boost dopamine level .So what's the difference among the three supplement : L Tyrosine , L-Dopa (Mucuna) and L-Phenylalanine?
Amino acids: These are different amino acids your body can use to make other amino acids. Most people want to boost their dopamine level in the brain, it is not clear that taking supplements can do this. What is you goal, actually? It would be better to start there. ...Read moreSee 1 more doctor answer
Precursor for neuro: Tyrosine is an Amino Acid precursor of two neurotransmitters, norepinephrine and dopamine. Some patients take it to increase their energy, alertness, and improve their mood. However, it can raise blood pressure. It is found in dairy, soy, meats, fruits and vegetables, nuts, seeds, beans, and grains. I believe it is highest in seaweed and soy protein. ...Read more
Somewhat: Swedish medical center found some benefit for add with tyrosine, but the benefits lasted only a couple weeks. Also advised using acetyl-l-tyrosine instead of l-tyrosine due to fewer negative side effects & lower dose used. Discuss any supplements with fp before taking them to make sure there are no serious drug interactions with your other meds. ...Read more
Hi Odds No! Why?: There is lots of marketing about ?$ to produce processed plant stuff. Yet we are not plants; we are animals, with lots of cholesterol as a building block of every cell membrane, have bodies evolved from living as hunter/gathers who can be sold lots of confusing nonsense. Look up "soy tyrosine" on Google, e.g. the mercola.com article & Study: http://goo.gl/foDTU0, http://goo.gl/e2lDwm, my answers ...Read more
Milk: U don't specify the age of the person needing this product. Following site discusses 3 products (depending on age): http://www.Kibid.Rs/en/milupa/pku-products here is website where pku-3 (for over 15 y/o) is available: http://www.Allegromedical.Com/dietary-supplements-c522/pku-3-p559305.Html [not inexpensive}. ...Read more
Why do you want to?: Phenylalanine (Phe) is used to make tyrosine (Tyr). Tyr is used to make DOPA which is made into dopamine in neurons. Tyr that doesn't go into proteins or to make DOPA is burned for energy. If you INGEST Tyr, you just need LESS Phe, so excess Phe is burned or broken down & excreted. Unless you have some major dietary, GI or metabolic problem, you may just be wasting your $. Ask your doctor. ...Read moreSee 1 more doctor answer
Unknown: Assuming it has any effect on adhd, which is not established, it could take weeks or months to have any notable effect, since you are trying to build up brain supplies in the right areas high enough to overcome a presumed deficit in Dopamine or norepinephrine. My professional opinion is that it is highly unlikely one would get a marked effect, ever. ...Read more
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