I’ve seen plenty of studies indicating EATING fish is good but the studies for capsule supplements seems far weaker. I’ve switched to lemon-flavored cod liver oil - tastes like a lemon bar - as an alternative. The wife and I eat salmon more than most folks but I haven’t had a physical since before COVID.
How Good For You is Fish Oil Really? | FRONTLINE:
https://www.youtube.com/watch?v=cVsaDOLfQPs
Why fish oil is unnecessary and may be harmful to the body (CarnivoreMD) (I personally consider this questionable):
https://www.youtube.com/watch?v=bnlczmLGpZI
I agree studies have been mixed on Omega-3 sources. Some show benefits from the oils, while all positive studies show benefits from the food.
If your numbers don’t improve, then change your Omega-3 source.