Side effects and watch-outs
- Elevated heart rate and blood pressure
- Anxiety
- Insomnia if dosed too late
- Appetite suppression
- Very limited human safety data
- Unknown long-term effects
Peptide / Cognitive
Orexin-A (Hypocretin-1)
Wakefulness-promoting neuropeptide. Deficient in narcolepsy. Intranasal administration shows cognition enhancement and vigilance in healthy subjects. Highly experimental.
Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.