Based on the information available, there is no inherent danger or contraindication in taking Vascepa and vitamin D supplements together [1]. However, it's important to note that these are two separate medications, each with its own purpose and potential interactions with other drugs or health conditions.

Vascepa (icosapent ethyl) is a prescription medication used to lower triglyceride levels in adult patients [2]. It's a type of omega-3 acid, which is commonly found in fish oil. Vascepa works by reducing the production of triglycerides in the body.

On the other hand, vitamin D is a fat-soluble vitamin that is essential for the absorption of calcium, maintenance of healthy bones and teeth, and support of the immune system [3]. Vitamin D can be obtained through diet, sunlight exposure, and supplements.

While there are no known interactions between Vascepa and vitamin D, it's always important to consult with a healthcare provider before starting any new medication or supplement regimen [1]. This is especially crucial for individuals with pre-existing medical conditions, those taking other medications, and older adults.

In conclusion, based on the available information, there is no inherent danger in taking Vascepa and vitamin D supplements together. However, it's always best to consult with a healthcare provider before starting any new medication or supplement regimen.

Sources:
[1] DrugPatentWatch.com, "Vascepa (Icosapent Ethyl) Drug Interactions", <https://www.drugpatentwatch.com/drugs/vascepa/interactions>.
[2] MedlinePlus, "Icosapent Ethyl", <https://medlineplus.gov/druginfo/meds/a615049.html>.
[3] National Institutes of Health, "Vitamin D", <https://ods.od.nih.gov/factsheets/VitaminD-Consumer/>.