Side effects of sea buckthorn oil may cause gastrointestinal discomfort, can cause liver and kidney toxicity, allergic reactions, and more. Sea buckthorn oil, as a popular health product in modern times, functions as an immune regulator and is suitable for people with low immunity. As an oily substance, sea buckthorn oil itself is not conducive to digestion, and if taken too much may cause gastrointestinal discomforts such as indigestion, abdominal pain, diarrhea and other gastrointestinal discomforts. Sea buckthorn oil is metabolized by liver and kidneys, if taken for a long period of time, it may cause liver and kidney toxicity to some people, jeopardizing the health of liver and kidneys; for some allergic people, it may also cause allergic reactions, resulting in itchy skin, rashes and other adverse effects. It is recommended to take sea buckthorn oil under the advice of physician, and when the body is in discomfort, consult the doctor in time, do not blindly believe in the dietary remedies.