Stimulant Reference

Dose: 50-400mg. Onset: 15-45min. Duration: 4-6hrs. Half-life: 5hrs. The most used stimulant worldwide. Best paired with L-theanine.

Dose: 100-400mg. Onset: 30-60min. Duration: 3-5hrs. Amino acid from green tea. Reduces jitters, promotes calm focus.

Dose: 200-600mg. Onset: 30min. Duration: 4-6hrs. Adaptogen that fights fatigue and stress. Best taken on empty stomach.

Dose: 300-600mg. Onset: 30-60min. Duration: 4-6hrs. Choline source for acetylcholine production. Boosts focus and memory.

Dose: 500-3000mg. Onset: 2-4 weeks (cumulative). NGF-boosting mushroom. Long-term cognitive support and neuroprotection.

Dose: 3-5g daily. Onset: 2-4 weeks. Not just for muscles — proven brain energy enhancer. Especially effective under stress or sleep deprivation.

Caffeine + L-Theanine, Creatine + anything, Lion's Mane + anything, Rhodiola + Ashwagandha. Well-studied, low-risk pairings.

Multiple stimulants together, high-dose caffeine + pre-workout, any stimulant + MAOIs. Monitor heart rate and blood pressure.

Yohimbe + stimulants, ephedra + caffeine in high doses, any stimulant with heart conditions. Consult a doctor first.