By Pat Anson, PNN Editor

An advisory committee of the World Health Organization (WHO) has concluded there is insufficient evidence to recommend a “critical review” of kratom, which potentially could have lead to international controls on the herbal supplement used by millions to treat pain and other medical conditions.

WHO’s Expert Committee on Drug Dependence (ECDD) recommended that kratom and its two active ingredients, mitragynine and 7-hydroxymitragynine, be kept under WHO surveillance. Under international treaties, WHO is required to give an annual assessment of psychoactive substances and advise the United Nations on whether they pose a public health risk.

The ECDD’s report said regular use of kratom can lead to dependence and mild withdrawal symptoms, but that serious adverse effects were rare. Kratom comes from the leaves of the mitragyna speciosa tree in southeast Asia, where it has been used for centuries as a natural stimulant and pain reliever.

“Kratom is used for self-medication for a variety of disorders but there is limited evidence of abuse liability in humans,” the ECDD said. “Kratom can produce serious toxicity in people who use high-doses, but the number of cases is probably low as a proportion of the total number of people who use kratom. Although mitragynine has been analytically confirmed in a number of deaths, almost all involve use of other substances, so the degree to which kratom use has been a contributory factor to fatalities is unclear.”

‘Great Victory for Kratom Consumers’

In recent years, millions of Americans have discovered kratom and use it to self-treat their pain, anxiety, depression and addiction. Kratom is legal in most states, although some states and communities have banned it. The Food and Drug Administration has tried -- unsuccessfully so far – to schedule kratom as a controlled substance, which would effectively ban its sale and use in the United States.

The ECDD report was cheered by kratom advocates, including some who believe the FDA asked WHO to review kratom.

“It is a great victory for kratom consumers, for science and for the truth,” said Mac Haddow, a lobbyist for the American Kratom Association, a group of kratom vendors and consumers. "There can be no doubt that kratom should not be scheduled and that it should be responsibly regulated to protect against dangerously adulterated kratom products."

In a notice published in the Federal Register in July, the FDA called kratom “an increasingly popular drug of abuse” and said it was being “misused to self-treat chronic pain and opioid withdrawal symptoms.” Over 8,500 people responded to the FDA notice, most of them critical of the agency’s stance on kratom.

“When the FDA proposes that a natural substance like kratom be banned it is not because it’s dangerous to the public, it’s because it poses a threat to the pharmaceutical industries profits. These people have a financial interest in stopping a safe and natural substance from competing with high priced drugs,” wrote one anonymous poster.

“I suffer from chronic pain from an illness that no medication was able to help except for opioids. I became addicted, I lost my home and my job, and I was homeless for years dealing with an opioid addiction,” wrote Stewart Abe. “Kratom not only helps me get over that addiction, but it also helps me deal with the pain so I can be a functioning member of society. Without this plant in my life, the pain would be so horrific that it would not be worth living.”

“Kratom has helped countless people get away from addictive opioids and alcohol. It has all but saved my life from alcoholism and I haven’t drank in 8 years now,” wrote Davis Matthew. “Kratom has completely turned my life around and without it who knows how my life would have turned out.”

The legal status of kratom in Southeast Asia is mixed. In August, Thailand decriminalized kratom, dropped thousands of pending criminal cases involving the drug, and freed 121 inmates convicted of kratom crimes.

Hong Kong authorities recently banned kratom and seized a shipment of 2.5 tons of kratom powder that were enroute to Florida from Indonesia. Kratom use is banned domestically in Indonesia, but kratom farming is still permitted. Most kratom exports come from Indonesia, where it is considered an important cash crop.