Vascepa is a prescription medication used to reduce the risk of heart attack, stroke, and other related health problems in adults with high levels of triglycerides. According to the sources provided [1][2][3], it can take up to 12 weeks to see the full benefits of Vascepa.

One of the sources [2] states that the medication is usually taken twice a day with food. The recommended dosage is 2 grams per day, which can be taken as two 1-gram capsules or four 0.5-gram capsules. The medication should be taken exactly as prescribed by the doctor.

It is important to note that Vascepa is not a substitute for a healthy lifestyle. Along with taking the medication, patients should follow a healthy diet, exercise regularly, and avoid smoking to reduce the risk of heart disease.

In conclusion, it can take up to 12 weeks to see the full benefits of Vascepa. It is important to follow the prescribed dosage and maintain a healthy lifestyle to reduce the risk of heart disease.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/VASCEPA
[2] https://www.drugs.com/medical-answers/long-vascepa-work-3553333/
[3] https://www.healthline.com/health/drugs/vascepa