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Paraxanthine Side Effects & Safety

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Generally well-tolerated at recommended doses
  • Mild insomnia if taken too late in the day
  • Occasional headache during initial use
  • Less likely than caffeine to cause anxiety, jitters, or heart palpitations

Drug & Supplement Interactions

  • May have additive effects with caffeine and other stimulants — reduce caffeine intake when adding paraxanthine
  • CYP1A2 metabolism — individuals who are slow caffeine metabolizers may also metabolize paraxanthine more slowly
  • Avoid combining with high-dose ephedrine or other sympathomimetics

Maximum Dose

Do not exceed: 300mg/day (higher doses have not been adequately studied)

References

  1. (). Acute paraxanthine ingestion improves cognition and short-term memory and helps sustain attention in a double-blind, placebo-controlled, crossover trial. Nutrients. DOI
  2. (). Dose-response of paraxanthine on cognitive function: a double-blind, placebo-controlled, crossover trial. Nutrients. DOI
  3. (). Pharmacokinetics and metabolism of natural methylxanthines in animal and man. Handbook of Experimental Pharmacology. DOI