Gamma Linolenic Acid, Dihommo Gamma Linolenic, Eicosanoids And Inflammatory Processes

This research review examined gamma-linolenic acid (GLA), an omega-6 fatty acid found in human breast milk and certain plant oils that's commonly sold as a dietary supplement. GLA is often promoted for reducing inflammation in the body, which is linked to many chronic diseases and aging processes. While laboratory studies and animal research have consistently shown that GLA can reduce inflammation, human clinical trials have produced mixed and inconsistent results.

The researchers identified several key factors that explain why GLA supplements work well for some people but not others. First, different tissues in the body vary in their ability to convert GLA into other important compounds called DGLA and arachidonic acid (AA). Second, these conversion products have opposing effects on inflammation - DGLA tends to reduce inflammation while AA can promote it. Most importantly, genetic variations in genes called FADS (fatty acid desaturase) significantly affect how each person processes GLA and determines whether it gets converted into helpful or potentially harmful compounds.

The study suggests that the "one-size-fits-all" approach to omega fatty acid supplementation may be outdated. Instead, a person's genetic makeup and individual metabolic profile should guide supplement recommendations. This research highlights why some patients may experience dramatic benefits from GLA supplements while others see no improvement or even negative effects. For clinical practice, this points toward the growing importance of personalized nutrition and genetic testing to optimize supplement protocols for inflammation management and metabolic health.