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Doctor insights on: What Do Tryptophan Tyrosine Have In Common

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What do serotonin and dopamine have in common?

What do serotonin and dopamine have in common?

TwoNeurotransmitters: Serotonin is a neural transmitter primarily found in the gastrointestinal tract, platelets, and in the central nervous system. Dopamine is a neurotransmitter that helps control the brain's reward and pleasure centers. Dopamine also helps regulate movement and emotional responses, and it enables us not only to see rewards, but to take action to move toward them. ...Read more

Dr. Paul Newhouse
246 doctors shared insights

Tryptophan (Definition)

Tryptophan is an amino acid. It is the precursor to the production of serotonin. The GI system will convert tryptophan to 5 hydroxytrptophan to cross the blood brain barrier and then convert the 5htp into serotonin. It does many other things in the body, but this is what it ...Read more


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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

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

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Is acetyl L-carnitine bad for you if you have a heart problem? ... And what are all the syd affects?

Is acetyl L-carnitine bad for you if you have a heart problem? ... And what are all the syd affects?

Can be good for you: Acetyl l carnitine is a substance naturally made in the liver, kidney, and brain -- and actively transported to other areas of the body. It helps transform fatty acids into energy in your cells. Overall it's safe, as long as you have a pure l (not "d") acetyl carnitine product. Can help in peripheral vascular disease. Se's are rare, but include rash, GI upset, headache, hypertension, insomnia. ...Read more

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I want to boost dopamine level .So what's the difference among the three supplement : L Tyrosine , L-Dopa (Mucuna) and L-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 more

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I know that hypercalcemia is calcium deficiency. Wondering what are the symptoms and why does the body get these symptoms?

I know that hypercalcemia is calcium deficiency. Wondering what are the symptoms and why does the body get these symptoms?

Too much calcium: Hypocalcemia is too low a calcium and hypercalcemia is to high a calcium on lab tests. Symptoms of hypercalcemia are abdominal pain, constipation, kidney stones, nausea, vomiting, excessive urination and confusion. Symptoms of low calcium are cramps, tingling around the mouth, muscular irritability. The symptoms are related to calcium's key role in muscular contractions and function. ...Read more

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What are some sleeping medicines in the 90s that would have contained barbiturates or still do. ?

What are some sleeping medicines in the 90s that would have contained barbiturates or still do. ?

None: Barbiturates for sleep were long gone by the 1990s, having been replaced decades earlier by much safer benzodiazepines ("benzos") and other prescription sleep aids. Barbiturates are still prescribed for certain types of seizure, for migraine headaches, occasionally to treat withdrawal from other drugs, and for other purposes. But not sleep. ...Read more

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What kind of problems and symptoms could occur for a vegetarian who doesn't get all the essential amino acids? Just curious.

What kind of problems and symptoms could occur for a vegetarian who doesn't get all the essential amino acids? Just curious.

Malnutrition: amino acids are the building blocks of protein. Without the presence of a complete set of these building blocks you can't make many proteins vital to body function including enzymes, neurotransmitters etc. Enzymes include digestive enzymes without which you compromise the ability to absorb and digest other food groups as well as vitamins and minerals. It can affect everything in your body! ...Read more

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Dear sir, how do I should know the symptoms of low cortisol. Because it has same symptoms with hypothyroidism, which I have ?

Dear sir, how do I should know the symptoms of low cortisol. Because it has same symptoms with hypothyroidism, which I have ?

Not the same symptom: Hypothyroidism causes weight gain, swelling, cold intolerance, constipation. Adrenal insufficiency causes weight loss, weakness, dizziness when standing, nausea, loss of appetite. There is actually relatively little overlap in symptoms between the two disorders. ...Read more

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What causes ureidopropionase deficiency? Also is it any harm to the health? What are the signs and symptoms in someone who is deficient?

What causes ureidopropionase deficiency? Also is it any harm to the health? What are the signs and symptoms in someone who is deficient?

Mutations in the : UBP1 gene on Chromosome 21q11.3 cause deficiency in beta-ureidoproprionase, 1 of 3 enzymes in the liver that degrade pyramidines It's a very rare inborn error of metabolism that causes biochemical abnormalities & clinical signs that range from Intellectual Disability, multiple congenital anomalies & seizures to normal neurological development, depending on the mutations in the UBP1 gene. ...Read more

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Are there any conditions that could lead to me being deficient in B12 even when i supplement with sublingual tablets?

Are there any conditions that could lead to me being deficient in B12 even when i supplement with sublingual tablets?

Refractory B12 Def: Inconsistent or sporadic intake & under dosing are the more likely culprits. Oral intake or a different formulation may be tried. If B12 levels are very low at time of diagnosis & not treated with injection, it may explain the persistent low b12. Other blood & urine tests can help confirm is a true B12 deficiency is present.A few rare congenital/cellular conditions which may cause B12 deficiency. ...Read more

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Hello, I am wondering if anyone could tell me what foods are naturally rich in taurine and if eggs are considered one of them?

Hello, I am wondering if anyone could tell me what foods are naturally rich in taurine and if eggs are considered one of them?

MEAT: Taurine's a great nutrient for bodybuilding and maintenance, and it can be found in a variety of foods. I find it also is helpful to clear the mind and energize and even to treat migraine headaches. See http://suppversity.blogspot.ca/2010/08/taurine-from-foods-can-i-be-taurine.html Cats in particular can't survive without it! So no vegetarian cats, please. ...Read more

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What is the suitable food and supplement that help increase my memory level? I tend to easily forget what I have studied before.

What is the suitable food and supplement that help increase my memory level? I tend to easily forget what I have studied before.

Memory loss: I am unaware of foods or supplements which may improve memory, attention or concentration. Ginkgo biloba has been given some credit. Memory loss could be caused by medical and psychiatric conditions, which if appropriately treated, could solve the issue. A consultation with the specialist would make an impact in preventing the progression of the disease, and reversing any damage. ...Read more

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Please explain which foods have all 20 of the main amino acids in them?

Please explain which foods have all 20 of the main amino acids in them?

Most proteins: Some of the vegetable protein sources are short on one or another amino acids but you can mix them if you're a vegan and get what you need. The animal protein sources (red meat, fish, milk, poultry) are well balanced. ...Read more

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What happens to lactate in RBC since they don't do tca cycle? How is it that they arn't constantly in lacitc acidosis?

What happens to lactate in RBC since they don't do tca cycle? How is it that they arn't constantly in lacitc acidosis?

Erythrocytes: These are not actively metabolizing cells. They do not have a nucleus and are only carriers of hemoglobin. ...Read more

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Does anyone know if the herbs and melatonin in somnapure are at a level to have any effect on sleep, either good or bad?

Does anyone know if the herbs and melatonin in somnapure are at a level to have any effect on sleep, either good or bad?

Herbs: Herbs like this prepare your body to get into sleep but do not put you to sleep. Overall pretty safe and not known to change sleep structure like other sleep aids. ...Read more

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Impaired are: tyrosine to dopamine, tryptophan to niacin, cystathionine to cysteine. Which cofactor and vitamin is common to all three pathways? Ty

Impaired are: tyrosine to dopamine, tryptophan to niacin, cystathionine to cysteine. Which cofactor and vitamin is common to all three pathways? Ty

Not an easy answer: These pathways can be impaired due to a primary disorder or secondary to other conditions interfering with metabolic pathways. Until a thorough investigation has been done, it is not likely that you will find a simple solution or single co-factor that will treat your biochemical imbalances. ...Read more

Dr. Lobelia Samavati
739 doctors shared insights

Tyrosine (Definition)

Tyrosine is an amino acids. Thyrosine and other Amino Acids are joined together to make proteins. Most proteins have ...Read more