There is insufficient evidence to say that intake of fish oil supplements (high in omega-3 fatty acids DHA and EPA) reduce the risk of heart or other disease.
1) Omega-3 intake for cardiovascular disease (Cochrane, 2018):
Moderate- and high-quality evidence suggests that increasing EPA and
DHA has little or no effect on mortality or cardiovascular ...
There is some evidence that boron intake by food or supplements (3-6 mg/day) is associated with less symptoms in osteoarthritis and rheumatoid arthritis.
Foods high in boron include avocado, lentils, red kidney beans, nuts, prunes and raisins (1-2 mg/serving).
It is currently not clear if boron is an essential nutrient, since there is no agreement if ...
Are fish oil capsules beneficial?
Yes, UNLESS you eat fish (duh!)
Howard LeWine, M.D., Chief Medical Editor, Harvard Health Publishing writes:
But the evidence for improving heart health is mixed. ... However,
when researchers looked at subgroups of people who don’t eat any fish,
the results suggested they may reduce their cardiovascular risk by