ProtokolPROTOKOL
Supplement

OPC-3 (Oligomeric Proanthocyanidins)

Half-life

~2 hours

What is OPC-3 (Oligomeric Proanthocyanidins)?

Blend of grape seed, pine bark, red wine, and bilberry extracts for comprehensive antioxidant protection.

How OPC-3 (Oligomeric Proanthocyanidins) works

Complex mixture of procyanidins and anthocyanins synergistically inhibit LDL oxidation, support endothelial NO production, and scavenge reactive oxygen species via polyphenol electron donation.

Benefits & uses

Common uses: Cardiovascular health, antioxidant, circulation, anti-inflammatory.

OPC-3 (Oligomeric Proanthocyanidins) dosage

Typical dose
100–200 mg/day in water (sublingual absorption). Isotonix form marketed for enhanced bioavailability.

OPC-3 (Oligomeric Proanthocyanidins) half-life

~2 hours (OPCs in plasma)

OPC-3 (Oligomeric Proanthocyanidins) side effects

Very safe. Minor blood thinning.

  • Very safe profile
  • Mild anticoagulant effect at high doses

Track OPC-3 (Oligomeric Proanthocyanidins) in Protokol.

Log doses, model half-lives, check interactions, and line it all up against your bloodwork. Free on iPhone and Android.

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For research and educational purposes only. This page is not medical advice and is not a recommendation to use any compound. Many compounds listed are not approved for human use, and some are prescription-only or controlled in your jurisdiction. Dosing figures are reference or observational reports. Talk to a qualified healthcare provider before starting, stopping, or changing anything. Protokol is for tracking purposes only.