Also, eating 30% concentration of deep-sea fish oil is used for health care (30% fish oil is used in general pharmacies), which can only play a health care role, and you must find a qualified product to check its national approval number before eating, so that there is no problem. If you want to use it to reduce blood fat and improve cardiovascular and cerebrovascular diseases, you must find 70% concentration of fish oil.
Detection method of fish oil concentration: (freeze for 20 minutes)
Less than 30% will freeze at -0℃
50% concentration will freeze at-15℃
70% concentration will freeze at -25℃
At present, human technology can't extract more than 70% concentration of fish oil, so don't be fooled when buying it.