What is Px?Updated 2 months ago

Px (or Paraxanthine) is a natural metabolite of caffeine. All that means is that Px occurs naturally in the body when the liver metabolizes, or breaks down, caffeine. The majority of caffeine becomes paraxanthine (70-80%), with a small amount converted to theobromine (5-10%), theophylline (5-10%), and other compounds.

Like caffeine, Px increases alertness, reduces fatigue, and decreases drowsiness. However, Px is less likely than caffeine to cause negative side effects, including “jitters”, anxiety, irritability, and nervousness. 

Additionally, Px has a shorter half-life and is cleared from the body faster than caffeine, so it is less likely to negatively affect sleep quality. Px may preserve dopaminergic neurons, helping to protect against age-related cognitive decline.

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