The information below is uncited - it would be good to collect links to specific studies to help assess which might be effective. ThufirHawat
| <tablewidth="95%">Agent | Mechanism | Effect | Dosage |
| <tablewidth="95%">Piracetam | mechanism | effect | 1600 mg - 9600 mg |
| <tablewidth="95%">Aniracetam | mechanism | effect | dosage |
| <tablewidth="95%">Oxyracetam | mechanism | effect | dosage |
| <tablewidth="95%">Agent | Mechanism | Effect | Dosage |
| <tablewidth="95%">Huperzine A | Inhibits Acetylcholinesterase Increases Acetylcholine levels | effect | dosage |
| <tablewidth="95%">Vinpocetine | Inhibits Phospodiesterases Increases levels of cAMP, cGMP | effect | dosage |
| <tablewidth="95%">Galantamine | Inhibits Acetylcholinesterase Increases Acetylcholine levels | Effect | Dosage |
| <tablewidth="95%">L-Deprenyl | Inhibits MAO-B Increases Dopamine Levels | Effect | Dosage |
| <tablewidth="95%">Tolcapone | Inhibits COMT Increases Dopamine Levels Increases Epinephrine levels Increases Norepinephrine Levels | Effect | Dosage |
| <tablewidth="95%">2C-E | Inhibits MAO-B Increases Serotonin | Stimulant at low doses | Dose:5-10mg |
| <tablewidth="95%">Agent | Mechanism | Effect | Dosage |
| <tablewidth="95%">Hydergine | Stimulates dopaminergic and seratonergic receptors Inhibits Alpha Adrenoceptors Increases MAO levels | effect | dosage |
| <tablewidth="95%">Agent | Mechanism | Effect | Dosage |
| <tablewidth="95%">5-HTP | Neurotransmitter precursor for Serotonin Increases serotonin levels | effect | dosage |
| <tablewidth="95%">DMAE | Neurotransmitter precursor for choline Increase Acetylcholine Levels | effect | dosage |
| <tablewidth="95%">Centrophenoxine | Neurotransmitter precursor for choline Increases acetylcholine levels Reduces Lipofuscins | effect | dosage |
| <tablewidth="95%">Acetyl-L-Carnitine | Neurotransmitter Precursor for Acetylcholine | Effect | Dosage |
| <tablewidth="95%">Alpha-GPC | Neurotransmitter Precursor for Choline | Effect | Dosage |
| <tablewidth="95%">Choline Citrate | Neurotransmitter Precursor for Acetylcholine | Effect | Dosage |
| <tablewidth="95%">Choline Bitartrate | Neurotransmitter Precursor for Acetylcholine | Effect | Dosage |
| <tablewidth="95%">Citicoline | Mechanism | Effect | Dosage |
| <tablewidth="95%">Agent | Mechanism | Effect | Dosage |
| <tablewidth="95%">Caffeine | Mechanism | Effect | Dosage |
| <tablewidth="95%">Ritalin | Mechanism | Effect | Dosage |
| <tablewidth="95%">Adderal | Mechanism | Effect | Dosage |
| <tablewidth="95%">Modanifil | Mechanism | Effect | Dosage |
| <tablewidth="95%">Ephedra | Mechanism | Effect | Dosage |
| <tablewidth="95%">Amino Acid | Function | Dosage |
| <tablewidth="95%">Isoleucine | Function | Dosage |
| <tablewidth="95%">Leucine | Function | Dosage |
| <tablewidth="95%">Lysine | Function | Dosage |
| <tablewidth="95%">Methionine | Function | Dosage |
| <tablewidth="95%">Phenylalanine | Function | Dosage |
| <tablewidth="95%">Threonine | Function | Dosage |
| <tablewidth="95%">Tryptophan | Function | Dosage |
| <tablewidth="95%">Valine | Function | Dosage |
| <tablewidth="95%">Arginine | Function | Dosage |
| <tablewidth="95%">Histidine | Function | Dosage |
| <tablewidth="95%">Amino Acid | Function | Dosage |
| <tablewidth="95%">Alanine | Function | Dosage |
| <tablewidth="95%">Asparagine | Function | Dosage |
| <tablewidth="95%">Aspartate | Function | Dosage |
| <tablewidth="95%">Cysteine | Function | Dosage |
| <tablewidth="95%">Glutamate | Function | Dosage |
| <tablewidth="95%">Glutamine | Function | Dosage |
| <tablewidth="95%">Glycine | Function | Dosage |
| <tablewidth="95%">Proline | Function | Dosage |
| <tablewidth="95%">Serine | Function | Dosage |
| <tablewidth="95%">Tyrosine | Function | Dosage |
| <tablewidth="95%">Amino Acid | Function | Dosage |
| <tablewidth="95%">L-Dopa | Neurotransmitter Precursor for Dopamine Increases Dopamine Levels | Dosage |
| <tablewidth="95%">Agent | Mechanism | Effect | Dosage |
| <tablewidth="95%">Ginko Biloba | Mechanism | Effect | Dosage |
| <tablewidth="95%">Ginseng | Mechanism | Effect | Dosage |
| <tablewidth="95%">Mucuna Pruriens | Mechanism | Effect | Dosage |
| <tablewidth="95%">Yohimbe | Mechanism | Effect | Dosage |