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Discover Supplement-Drug Interactions
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Last Updated: 5 years ago
drug:
Propranolol
supplement:
Tryptophan
Research Papers that Mention the Interaction
“ Propranolol (80 mg, PO) failed to attenuate the prolactin response to L-tryptophan infusion (100 mg/kg, IV) in seven volunteers; the role of 5-HT1 receptors in this response remains uncertain.”
“The growth hormone response to tryptophan was enhanced by propranolol , consistent with previous reports of an inhibitory beta-adrenoceptor influence on GH secretion.”
Hormonal response to L-tryptophan infusion: Effect of propranolol“ Propranolol also prevented a 17% elevation in brain tryptophan levels induced by IMI but did not alter the 29% decrease in plasma tryptophan.”
Effects of imipramine on tyrosine and tryptophan are mediated by beta-adrenoceptor stimulation.“The inhibitory action of 10 mM D-glucose, 10 mM L-methionine, and 5 mM L-tryptophan was blocked by propranolol on the jejunum and by phenoxybenzamine on the ileum.”
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