If you're a healthy young adult, taking a high-purity fish oil supplement might improve your blood fat levels faster than a lower-purity one — and you could see changes in just four weeks.

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Pro

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Against

Evidence from Studies

Supporting (1)

75

Community contributions welcome

75

Comparative membrane incorporation of omega-3 fish oil triglyceride preparations differing by degree of re-esterification: A sixteen-week randomized intervention trial

Randomized Controlled Trial

Human

2023

The study found that a stronger fish oil supplement led to faster increases in healthy fats in the blood compared to a weaker one, just like the claim says.

Contradicting (0)

0

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Comparative membrane incorporation of omega-3 fish oil triglyceride preparations differing by degree of re-esterification: A sixteen-week randomized intervention trial

Score: 75

DOI: 10.1371/journal.pone.0265462

Similar Assertions

If you're a healthy young adult, taking a high-purity fish oil supplement might help your body absorb more of the good omega-3s (like EPA and DHA) into your red blood cells compared to a lower-purity version—even if the difference in dose is pretty small.

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82%

Taking high-quality fish oil pills with more of a certain form (called re-esterified triglycerides) leads to higher levels of a healthy fat called DPA in your blood cells after four months, compared to lower-quality ones.

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79%

Fish oil supplements with over 95% re-esterified triglycerides (a type of fat form) seem to get more omega-3s into your blood cells after 16 weeks than those with less than 70%, so this might be a good sign of a better-quality supplement.

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79%