1 Examples are morphine and heroin. 2  Worldwide, an estimated 69 000 people die from opioid overdose each year.  There are an estimated 15 million people who suffer from opioid dependence (i.e. an addiction to opioids).
Berberine is a natural alkaloid found in a wide variety of traditional herbs including goldenseal, barberry and Oregon grape. Many herbalists credit this unique alkaloid for the benefits of ancient herbal tonics used by native populations throughout the world.
The herbs barberry, Oregon grape , and goldenseal contain berberine, a substance with antimicrobial and ... A special berberine preparation is used as a pharmaceutical treatment for conjunctivitis in ... is some evidence that individuals with chronic conjunctivitis may have a vitamin ...