This study compared the risk of contracting 3 coronavirus infections in participants with different levels of the omega 3 fatty acid DHA (Harris WS, et.,al.,2023).
The DHA levels (% of total fatty acids) were measured by nuclear magnetic resonance.
The results were interesting.
This is what the researchers concluded. These findings suggest that nutritional strategies to increase the circulating omega 3 level, such as increased consumption of oily fish and/or use of omega 3 fatty acid supplements, may reduce the risk of adverse COVID-19 outcomes.
When using omega 3 fish oil, use a product that has high amounts of EPA and DHA and has been tested to avoid contamination.
William S Harris 1, Nathan L Tintle 2, Swaminathan Perinkulam Sathyanarayanan 3, Jason Westra. Association between blood N-3 fatty acid levels and the risk of coronavirus disease 2019 in the UK Biobank. Am J Clin Nutr. 2023 Feb;117(2):357-363.