# Rapeseed oil nutritional and safety evaluations > Live situation record from CLSTR: https://clstr.news/situations/rapeseed-oil-nutritional-and-safety-evaluations > Updated: 2026-10-03T23:17:04.000Z. Sources: 7. Developments: 2. Stiftung Warentest conducted an evaluation of 24 rapeseed oil products, assessing nutritional content such as Vitamin E and Omega-3 fatty acids, as well as potential contaminants like pesticides. The study found that most products were of high quality, with 22 receiving a ‘good’ rating. One product, ‘Rapsgold mit Buttergeschmack’, received an ‘adequate’ rating because of unverifiable claims regarding its natural aroma. Subsequent reports linked these findings to broader nutritional research. A meta-analysis from the University of Pennsylvania suggested that Omega-3 fatty acids may reduce aggressive behavior by up to 28 percent. Additionally, the consumer testing served to address social media claims regarding cancer and inflammation; the investigation found no significant levels of pesticides, plasticizers, or mineral oil hydrocarbons, and confirmed that erucic acid levels remained well below the European Union limit of 2 percent. ## Timeline ### 2026-10-03: Nutritional studies link Omega-3 to reduced aggression and validate rapeseed oil safety Research indicates Omega-3 may reduce aggression by up to 28 percent, while Stiftung Warentest finds rapeseed oil safe, debunking social media claims of health risks. 2 sources. https://clstr.news/cluster/nutritional-studies-link-omega-3-to-reduced-aggression-and-validate-rapeseed-oil-safety ### 2026-09-29: Stiftung Warentest evaluates 24 rapeseed oil products Stiftung Warentest evaluated 24 rapeseed oils, finding most products to be of good quality and rich in Omega-3 fatty acids, with most brands receiving a “good” rating. 5 sources. https://clstr.news/cluster/stiftung-warentest-evaluates-24-rapeseed-oil-products --- Cite as: Rapeseed oil nutritional and safety evaluations. CLSTR, https://clstr.news/situations/rapeseed-oil-nutritional-and-safety-evaluations