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Serotonin

serotonin --> 5-hydroxytryptamine

(Science: biochemistry, hormone) A neurotransmitter and hormone (176 kD), found in vertebrates, invertebrates and plants. It is synthesised from the amino acid tryptophan by enterochromaffin cells in the gut and bronchi. It is metabolised to 5-HIAA in the liver and then excreted in the urine.

serotonin is measured on a venipuncture specimen in cases of suspected carcinoid syndrome (where it will be elevated). The normal range is 101 to 283 ng/ml.

Acronym: 5-HT


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BCAAs vs free-form amino acids in diet.

... per serving. When Tryptophan is taken in its free-form, 450mgs would have very noticable mental effects because my body would convert it into serotonin. However, when I take the tryptophan, as a BCAA in the whey, there are no mental effects. Someone told me that free-tryptophan wouldn't cause ...

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by silligcam
Tue Feb 24, 2009 6:27 pm
 
Forum: General Discussion
Topic: BCAAs vs free-form amino acids in diet.
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Views: 520

The pineal gland

... vertebrates(amphibians and reptiles)? 2) Do you know any other hormones produced by the pineal gland (except melatonin) and if it produces serotonin to inhibate the gonads ? 3) Is it true that the pineal gland has a hypoglycemiant role? Thank you

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by Alfaomega
Sat May 03, 2008 6:43 pm
 
Forum: Human Biology
Topic: The pineal gland
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Re: How feelings are born in the body?

... feelings are also based on the different hormones that regulate our body. Not really... It's neurotransmitters mate... Anti-depressants work on serotonin, noradrenaline, dopamine... However, some hormones have roles... i.e. thyroxine and hypothyroidism... but the vast majority do not... (evil ...

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by Revenged
Fri Dec 28, 2007 12:30 am
 
Forum: Human Biology
Topic: How feelings are born in the body?
Replies: 7
Views: 803

IDoser "Virtual Drugs"

I think if this software did as it is claimed, that is to emulate a certain drug like meth, then I suppose it would cause the brain to produce more serotonin If this were the case, then I do see it as being harmful. As the pleasure center of the brain grows accustomed to the increased serotonin, ...

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by MichaelXY
Fri Sep 07, 2007 10:20 pm
 
Forum: General Discussion
Topic: IDoser "Virtual Drugs"
Replies: 5
Views: 3210

Feeling drowsy but cant sleep

... before retiring, others find hot-milk before bed useful (milk products contain an amino acid precursor L-tryptophan which can affect the amount of serotonin produced by neurons. Serotonin is implicated in the regulation of cerebral circulation and mood). Before you reach for the sleeping pills, ...

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by Doubled
Fri Apr 06, 2007 12:59 pm
 
Forum: General Discussion
Topic: Feeling drowsy but cant sleep
Replies: 4
Views: 842
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