Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| Gotu Kola (Centella asiatica) | Pramiracetam | |
|---|---|---|
| Category | Nootropics | Nootropics |
| Standard Dose | 500-1000 mg/day of standardized extract (35-45% triterpenes) or 750-1500 mg/day of whole herb extract | 400-1200 mg/day divided into 2-3 doses |
| Timing | Morning or split morning/afternoon. With or without food. Acute mood effects (alertness, reduced anger) noted within 1 hour of dosing. | With fat-containing meals (fat-soluble). Morning and early afternoon dosing preferred. |
| Cycle Duration | Ongoing; traditional use suggests no cycling required. Clinical trials run 2-6 months. | Cycles of 8-12 weeks on, 4 weeks off |
| Evidence Level | moderate_human | moderate_human |
Pentacyclic triterpenes — asiaticoside, madecassoside, asiatic acid, and madecassic acid — provide neuroprotection through multiple mechanisms: inhibition of acetylcholinesterase activity and enhancement of cholinergic transmission; reduction of phospholipase A2 (PLA2) activity to attenuate neuroinflammation; protection against beta-amyloid aggregation and tau hyperphosphorylation; and upregulation of BDNF to promote neuronal growth and synaptic plasticity. Asiaticoside enhances collagen synthesis and wound healing, while asiatic acid activates the MAPK/ERK pathway to promote neurite outgrowth.
500-1000 mg/day of standardized extract (35-45% triterpenes) or 750-1500 mg/day of whole herb extract
Morning or split morning/afternoon. With or without food. Acute mood effects (alertness, reduced anger) noted within 1 hour of dosing.
Ongoing; traditional use suggests no cycling required. Clinical trials run 2-6 months.
Potently stimulates high-affinity choline uptake (HACU) in hippocampal synaptosomes, the rate-limiting step in acetylcholine synthesis. This profoundly enhances cholinergic neurotransmission without direct receptor agonism. Approximately 10-30x more potent than piracetam on a per-milligram basis. Does not significantly affect other neurotransmitter systems, making it a highly targeted cholinergic enhancer.
400-1200 mg/day divided into 2-3 doses
With fat-containing meals (fat-soluble). Morning and early afternoon dosing preferred.
Cycles of 8-12 weeks on, 4 weeks off
Take our free assessment to get personalized recommendations based on your health goals, current stack, and biomarkers.
Get Your Free Protocol →or take the assessment →