Medically reviewed by Allison Herries, RDN Medically reviewed by Allison Herries, RDN Pycnogenol is a pine bark extract containing plant-based chemicals that may ease osteoarthritis pain ...

A new study at the Medical University of Sofia, Bulgaria, has shown that Prelox-a blend of Pycnogenol, the extract from the bark of the pine tree, and L-Arginine aspartate, an amino acid-can ...