Vascepa is a prescription medication used to treat high levels of triglycerides in the blood. There is no information in the provided sources that suggests Vascepa increases blood thinning effects. According to Drugs.com [2], Vascepa is not known to thin blood, and there are no known interactions between Vascepa and blood thinners. The website of Vascepa's manufacturer [3] also does not list blood thinning as a side effect or interaction. Additionally, the Drug Patent Watch website [1] does not provide any information regarding blood thinning effects of Vascepa. However, it is important to note that every individual's response to medication may vary, and it is always recommended to consult with a healthcare provider before starting or stopping any medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/VASCEPA
[2] https://www.drugs.com/medical-answers/vascepa-thin-blood-3553321/
[3] https://www.vascepa.com/about-vascepa/safety-and-side-effects/