Quote:
Originally Posted by 'Hamas' Jenkins
Structure/function meaning medicinal benefits, not nutrition. It's why supplements aren't regulated by the FDA. They can't make claims about structure or function. Protein shakes will give you protein. 5-HT is serotonin, but when taken orally, it undergoes confirmational changes as it is metabolized, which alters its affinity for its receptors. When you take it, you're paying a lot of money for very little amino acid.
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Ok that's what I thought you meant. I noticed a lot of companies are trying to sell oral peptides now but everything I have read says they have to be injected to be effective.
Oral serotonin not being effective is new info for me though.
In a nutshell what you are saying is any amino acid based compound isn't effective taken orally (if taken for functional purposes).