One tablet a day is definitely not enough. Fish oil is a dietary supplement, not a medicine, and there is no strict dosage requirement. Moreover, different brands of fish oil have different contents, and the dosage required for different symptoms is also different.

Take swisse odorless 1500mg high-content fish oil as an example: 6-7 capsules should be taken every day for bone and joint health care (6 capsules in the old version and 7 capsules in the new version).