Tier IIIOPC · vascular
Grape seed extract
OPC · vascular
Recommended Dose
300 mg
Purity Standard
98.0% — sourced from Now Foods
Clinical Evidence
142 indexed trials · Tier III
Hallmarks Addressed
Hallmarks 10
OPC · vascular
300 mg
98.0% — sourced from Now Foods
142 indexed trials · Tier III
Hallmarks 10