Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| Pterostilbene | Pycnogenol | |
|---|---|---|
| Category | Supplements | Supplements |
| Standard Dose | — | — |
| Timing | — | — |
| Cycle Duration | — | — |
| Evidence Level | Moderate | Moderate |
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.
Polyphenol-rich French maritime pine bark extract that improves endothelial nitric oxide signaling, capillary tone, and oxidative defense.
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