Evidence supporting the use of: Kudzu
For the health condition: Addictions (drugs)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Kudzu (Pueraria lobata) has been traditionally used in Chinese medicine for various conditions, including alcohol-related problems. However, its use for treating addictions, especially alcohol dependence, has also been investigated by modern science. Several small-scale clinical studies and animal experiments have examined kudzu extract (notably its isoflavones like puerarin, daidzin, and daidzein) for their potential to reduce alcohol intake and craving. For example, a randomized placebo-controlled trial published in 2005 in Alcoholism: Clinical & Experimental Research found that participants who took kudzu extract consumed less beer than those on placebo. Animal studies suggest that kudzu’s isoflavones may alter alcohol metabolism or affect neurotransmitter systems (such as dopamine) involved in addiction pathways.

Despite these promising early findings, the scientific evidence remains limited. Most studies are small, short-term, and focused on alcohol rather than other drugs of abuse. The mechanism by which kudzu may reduce alcohol consumption is still not well understood, and larger, long-term, high-quality clinical trials are lacking. No major medical guidelines currently recommend kudzu for addiction treatment.

In summary, while there is some scientific evidence—especially for alcohol use disorder—the overall quality and quantity of data are limited. More robust research is needed before kudzu can be confidently recommended for addiction treatment.

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