Comparison
Melatonin vs Berberine
Melatonin
Pineal hormone regulating circadian rhythm. Low doses (0.3-1mg) often outperform higher doses for sleep.
Berberine
Alkaloid from goldenseal, barberry, and Oregon grape. Comparable to metformin for blood glucose regulation. Activates AMPK.
| Field | Melatonin | Berberine |
|---|---|---|
| Category | neuroprotective | neuroprotective |
| Dose range | 0.3–3mg | 500–1500mg |
| Half-life | 1h | — |
| Onset | 30min | — |
| Evidence | EVIDENCEA | EVIDENCEA |
| Safety | ●●●●● | ●●●●○ |
| Legal (US) | USOTC | USOTC |
| PubMed refs | 28000 | 4900 |
The comparison in plain English
Auto-generated from dataMelatonin and Berberine are both in the neuroprotective category respectively. Melatonin Pineal hormone regulating circadian rhythm. Berberine Alkaloid from goldenseal, barberry, and Oregon grape.
Bottom line
Melatonin (evidence A, safety 5/5) matches the evidence base of Berberine (evidence A, safety 4/5). Melatonin has the slightly cleaner safety profile. For users new to either, the higher-evidence option is the safer first try.
Choose Melatonin if
Melatonin is the better fit when your goal aligns with its mechanism (Endogenous hormone produced by the pineal gland in response to darkness, signalling the circadian sleep window) and the dose range (0.3–3mg) suits your protocol. Half-life is 1h.
Choose Berberine if
Berberine is the better fit when your goal aligns with its mechanism (Activates AMP-activated protein kinase (AMPK), the cellular energy sensor that mimics caloric restriction signaling) and the dose range (500–1500mg) suits your protocol. Half-life is —h.