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what is the difference in l lysine l tyrosine

A 46-year-old female asked:
Dr. Donald Colantino
60 years experience Internal Medicine
Pharmacist: The FDA doesn't investigate most supplements and most physicians are reluctant to ok them as they are unsure of quality, dosages and efficacy. I sugge ... Read More

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A 37-year-old member asked:
Dr. Walter Husar
32 years experience Neurology
Tyrosine is: tyrosine is the precursor in the biochemical pathway for dopamine synthesis in the body.
A 25-year-old male asked:
Dr. Mark Fisher
33 years experience Neurology
DA = dopamine: Please repost your question with an explanation of how & why you think you don't have enough DA. DA in the bloodstream drives up your blood pressu ... Read More
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Dr. Olav Jaren
18 years experience Neurology
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 c ... Read More
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A 37-year-old female asked:
Dr. Paul Harper
51 years experience General Surgery
Why: do you want to know? Why are you concerned about either compound. Perhaps if we know this we can give you a reasonable response.
A 17-year-old male asked:
Dr. Mohammad Khan
29 years experience Pediatrics
More components : The protein shake may have more components. Many of these supplements do not have any proven benefits although a lot of claims are being made
A 37-year-old member asked:
Dr. Alvin Stein
59 years experience Pain Management
There is none: Tyrosine is a precursor of ldopa which make dopamine. It should only be used as part of a balanced program to resort the neurotransmitters and should ... Read More
A 43-year-old member asked:
Dr. Luis Gonzalez-mendoza
41 years experience Pediatric Endocrinology
Yes but rare: L- tyrosine is an amino acid(building blocks of protein), that is not considered essential because the body can make it from other Amino Acids like ph ... Read More
A 47-year-old member asked:
Dr. Jeffrey Miller
50 years experience Rheumatology
Unknown: Unknown.
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A 37-year-old member asked:
Dr. Ward Dean
Dr. Ward Dean answered
42 years experience Anti-Aging Medicine
Different: 5htp is a precursor of serotonin, an inhibitory neurotransmitter. L-tyrosine is a precursor of the dopaminergic neurotransmitters Epinephrine and nor ... Read More
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A 44-year-old member asked:
Dr. Alan Ali
Dr. Alan Ali answered
31 years experience Psychiatry
HTP/Tyrosine: Not advised, since both can increase serotonin in your system.

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