According to the sources provided, there is a maximum dosage limit for Vascepa (icosapent ethyl), which is a prescription medication used to treat high levels of triglycerides in the blood. The recommended dose of Vascepa is 4 grams per day, which can be taken as two 1-gram capsules twice daily with food [2]. The maximum daily dose of Vascepa should not exceed 4 grams per day [1][3].

It is important to note that the dosage of Vascepa may vary depending on the patient's medical condition, age, and other factors. Patients should always follow their doctor's instructions regarding the appropriate dosage of Vascepa.

In conclusion, the recommended maximum daily dose of Vascepa is 4 grams per day, and patients should not exceed this dosage without consulting their doctor [1][2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/VASCEPA
[2] https://www.vascepa.com/getting-started/dosing/
[3] https://www.drugs.com/dosage/vascepa.html