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Some users may experience mild digestive changes as the gut microbiome adapts
The brain uses three amino acids tryptophan, tyrosine, and phenylalanine to make the three major neurotransmitters (serotonin, dopamine, and norepinephrine).26 But a 2020 study found seven amino acids that could potentially improve older adults cognitive, social, and psychological functioning: leucine, lysine, isoleucine, histidine, valine, phenylalanine, and tryptophan.27 Similar to NALT for tyrosine, you might see some of these amino acids listed as acronyms
M., Yuen, J
"Glucagon-Like Peptide-1 and Its Class B G Protein-Coupled Receptors: A Long March to Therapeutic Successes"
Presently, a large number of experimental animals have been used to elucidate its mechanisms, but the pathways arent detailed enough to be clearly illuminated in humans (91)
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