Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| Pyrroloquinoline Quinone (PQQ) | Sulforaphane (from Broccoli Sprout Extract) | |
|---|---|---|
| Category | Supplements | Supplements |
| Standard Dose | — | — |
| Timing | — | — |
| Cycle Duration | — | — |
| Evidence Level | Moderate | Strong |
Redox cofactor that stimulates mitochondrial biogenesis via PGC-1alpha activation. Potent antioxidant (5000x more efficient than vitamin C in redox cycling). Supports nerve growth factor (NGF) synthesis and protects neurons from oxidative damage.
Isothiocyanate that activates Nrf2 — the master regulator of antioxidant defense. Upregulates glutathione synthesis, phase II detoxification enzymes, and heat shock proteins. Also inhibits HDAC (epigenetic modifier) and NF-kB (anti-inflammatory).
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 →