OPMS has a patented all natural method which is known as high-pressure/cold-water diffusion. Their in-house scientists have discovered a more effective extraction method using medically certified distilled water, instead of alcohol or hot water, so as to preserve the chemically active alkaloids in their true form. This patented technique creates full spectrum extract.

This concentrated extract prepared using Maeng Da leaves is usually available either in tincture or capsule form. 95% of the alkaloid content is retained using this extraction method.