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Methylliberine

Chemical compound From Wikipedia, the free encyclopedia

Methylliberine
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Methylliberine is an isolate of coffee beans, tea, cola nuts, guarana, cocoa, and yerba mate.[1] It is structurally related to Liberine.

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Pharmacology

Pharmacodynamics

Based on its structural similarity to caffeine and theacrine methylliberine is widely believed to be an adenosine receptor antagonist, although as of 2023 no scientific studies have been done to confirm this action.[2] There is no evidence that methylliberine augments dopamine receptors in a way that is distinct from caffeine, contrary to claims made by the manufacturer.[3][4]

Pharmacokinetics

Methylliberine has a short half-life of only 1.5 hours compared to the 5- to 7-hour half-life of caffeine.[5] An interaction study showed concomitant administration of both caffeine and methylliberine increases the half-life of caffeine by about 2 fold.[5] This is likely due to inhibition of the CYP1A2 enzyme.[5]

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References

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