18 brands plotted on particle size vs. bioavailability. Only the top-right quadrant wins. See who made the cut.
X-axis: Particle size in nanometers (logarithmic scale). Smaller = better absorption. The 60nm threshold represents the upper limit for true nano CBD efficacy. Y-axis: Bioavailability percentage — the amount of CBD that actually enters bloodstream. Traditional CBD oil achieves only 4-8%. Data sourced from published Certificates of Analysis, peer-reviewed pharmacokinetic studies, and manufacturer specifications. Last updated: May 2026.
