Regardless, the scare was enough for a lot of kava kava
However, the marketing of kava kava tea
Kava kava tea is essentially a kava kava extract in which the solvent is water.
As such, any lipid soluble components of kava kava are unlikely to be consumed in high quantities in the tea.
If it is lipid soluble chemicals in kava that are responsible for the toxic effects of kava on the liver, drinking tea might be a way around the putative adverse kava effects from taking whole herb supplements.
On the other hand, the beneficial kava kava effects may also be concentrated in the lipid soluble fraction, which would mean the tea is less effective in generating kava kava's beneficial physiological effects - Kava kava
Perhaps it is no coincidence that the Polynesian islanders consume their kava kava as a tea and show no signs of adverse kava effects.
Kava kava is known to inhibit the liver's ability to detoxify the blood of some toxins. It may be that the rare toxic kava effects are an indirect result of the liver not being able to detoxify other toxins in the person's body, if they are already prone to an unhealthy lifestyle. If this is the case, then kava kava supplementation with tea or whole herbs ought to pose little risk for people who already lead an otherwise healthy lifestyle - exercise, not smoking, lots of whole food fruits and vegetables, etc.
More research is needed on whole herb kava root, but used cautiously and infrequently, kava tea's benefits for lessening anxiety and calming nerves outweigh the low risk of toxic kava root side effects.
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REFERENCES
1. Many Supplements Said to Contain Toxins, Make False Health Claims
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