**Definition:**
Pyrroloquinoline Quinone Disodium Salt (PQQ Na2) is a water-soluble, redox-active compound that acts as a cofactor in various enzymatic reactions. It is known for its potent antioxidant properties and role in cellular energy metabolism.
**Functions:**
1. **Antioxidant:** Protects cells from oxidative stress by neutralizing free radicals.
2. **Mitochondrial Support:** Enhances mitochondrial biogenesis and function, promoting energy production.
3. **Neuroprotection:** Supports cognitive health and neuronal growth.
4. **Anti-Aging:** Helps maintain cellular health and vitality.
**Applications:**
1. **Nutraceuticals:** Widely used in dietary supplements for energy, cognitive support, and overall wellness.
2. **Cosmetics:** Incorporated into skincare products for its anti-aging and protective benefits.
3. **Functional Foods:** Added to health-focused food and beverage products.
4. **Research:** Utilized in scientific studies exploring cellular health and metabolism.