Extracted from the seeds of grapes, this compound is rich in oligomeric proanthocyanidin complexes (OPCs). It is highly regarded for its vascular-protecting properties and its ability to neutralize free radicals, potentially defending delicate inner ear structures and capillaries from oxidative damage.
Clinical Summary
Clinical trials demonstrate significant benefits for chronic venous insufficiency and cardiovascular health. Its protective effects on micro-capillaries make it theoretically beneficial for preserving auditory health against noise-induced or age-related oxidative stress.
Dosage Guidelines
150-300mg daily. Can be taken with or without food.
Safety & Side Effects
Extremely well tolerated. Mild scalp itch or mild stomach ache have been reported rarely.
Known Interactions
May interact with blood thinners and alter the metabolism of certain liver enzymes (CYP450 pathway).
Medical Disclaimer
The information provided in this clinical review is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment.
*These statements have not been evaluated by the Food and Drug Administration (FDA). This product or ingredient is not intended to diagnose, treat, cure, or prevent any disease.
Always consult your physician or other qualified health provider with any questions you may have regarding a medical condition, or before beginning any new diet, fitness, supplement, or treatment regimen, especially if you have pre-existing medical conditions or are taking prescribed medications.