Berberin
Not available in the USCommon in Vietnam
Active ingredient: Berberine (berberine chloride/hydrochloride)
Berberin is not available in the US
Why it isn't sold here
Plant alkaloid tablets widely used in Vietnam for diarrhea/GI. Berberine is not an FDA-approved drug; in the US it is sold only as an herbal dietary supplement, not a therapeutic equivalent.
Bringing it into the US
The FDA generally does not allow importing unapproved medicines. Personal importation is only a limited enforcement discretion — typically up to a 90-day supply for a serious condition with no US treatment, and controlled substances are effectively barred. Do not buy from gray-market pharmacies.
FDA personal importation policy →This is general information, not medical advice. Talk to your doctor or pharmacist before starting, stopping, or substituting any medicine.
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