Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| DHEA (Dehydroepiandrosterone) | Pterostilbene | |
|---|---|---|
| Category | Supplements | Supplements |
| Standard Dose | 25-50mg daily (men); 10-25mg daily (women) | — |
| Timing | Morning (mimics natural circadian peak). With food. | — |
| Cycle Duration | Ongoing under supervision with regular blood monitoring (DHEA-S, testosterone, estradiol, PSA in men) | — |
| Evidence Level | moderate_human | Moderate |
DHEA is the most abundant circulating steroid hormone, produced primarily by the adrenal zona reticularis. It serves as a precursor for both androgens (testosterone, DHT via 3beta-HSD and 17beta-HSD) and estrogens (estradiol, estrone via aromatase). DHEA-S (sulfated form) acts as a neurosteroid, positively modulating NMDA receptors and antagonizing GABA-A receptors (cognitive enhancement/alertness). It also modulates immune function (enhances Th1 immunity, IL-2 production), supports bone mineral density via estrogenic metabolites, enhances insulin sensitivity via PPAR-alpha activation, and opposes cortisol's catabolic effects (DHEA:cortisol ratio is a stress/aging biomarker).
25-50mg daily (men); 10-25mg daily (women)
Morning (mimics natural circadian peak). With food.
Ongoing under supervision with regular blood monitoring (DHEA-S, testosterone, estradiol, PSA in men)
Dimethylated analog of resveratrol with 4x greater oral bioavailability. Activates SIRT1 and AMPK, reduces oxidative stress, and improves lipid profiles. Superior pharmacokinetics compared to resveratrol due to methyl groups protecting against glucuronidation.
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