Comparison
Creatine vs PEA (Phenylethylamine)
Creatine
The most-studied performance supplement in history, now well-evidenced as a cognitive enhancer in its own right. The brain consumes about 20% of resting metabolic rate, and creatine buffers ATP at the use site for fast regeneration — especially valuable under mental fatigue and sleep deprivation. Vegetarians benefit most because dietary creatine comes from animal flesh.
PEA (Phenylethylamine)
Trace neurotransmitter found in chocolate. Acute euphoric / focusing effect but very short-acting due to MAO degradation.
| Field | Creatine | PEA (Phenylethylamine) |
|---|---|---|
| Category | amino-acid | amino-acid |
| Dose range | 3000–5000mg | 100–500mg |
| Half-life | 3h | 0.2h |
| Onset | — | — |
| Evidence | EVIDENCEA | EVIDENCEC |
| Safety | ●●●●● | ●●●○○ |
| Legal (US) | USOTC | USOTC |
| PubMed refs | 1800 | 1100 |
The comparison in plain English
Auto-generated from dataCreatine and PEA (Phenylethylamine) are both in the amino-acid category respectively. Creatine The most-studied performance supplement in history, now well-evidenced as a cognitive enhancer in its own right. PEA (Phenylethylamine) Trace neurotransmitter found in chocolate.
Bottom line
Creatine (evidence A, safety 5/5) has a weaker evidence base than PEA (Phenylethylamine) (evidence C, safety 3/5). Creatine has the slightly cleaner safety profile. For users new to either, the higher-evidence option is the safer first try.
Choose Creatine if
Creatine is the better fit when your goal aligns with its mechanism (Phosphorylated by creatine kinase to phosphocreatine, the fastest available ATP buffer in the cell (millisecond timescale)) and the dose range (3000–5000mg) suits your protocol. Half-life is 3h.
Choose PEA (Phenylethylamine) if
PEA (Phenylethylamine) is the better fit when your goal aligns with its mechanism (Releases dopamine and norepinephrine from presynaptic vesicles) and the dose range (100–500mg) suits your protocol. Half-life is 0.2h.