Sea buckthorn fruit is likely safe when consumed as food. Sea buckthorn fruit is used in jams, pies, drinks and other foods. Sea buckthorn fruit is possibly safe when taken by mouth or used on the skin as a medicine. It has been safely used in scientific studies lasting up to 90 days.
However, not enough is known about the safety of using sea buckthorn leaf or extracts.
Special Precautions & Warnings:
Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking sea buckthorn if you are pregnant or breast-feeding. Stay on the safe side and avoid use.
Bleeding disorder: Sea buckthorn might slow blood clotting when taken as a medicine. There is some concern that it might increase the risk of bruising and bleeding in people with bleeding disorders.
Low blood pressure: Sea buckthorn might lower blood pressure when taken as a medicine. In theory, taking sea buckthorn might make blood pressure become too low in people with low blood pressure.
Surgery: Sea buckthorn might slow blood clotting when taken as a medicine. There is some concern that it might cause extra bleeding during and after surgery. Stop using sea buckthorn at least 2 weeks prior to a scheduled surgery.