Dose the only information on Vitamin D3 content of fish oil and fish liver oil in the Iranian scientific resource corroborate the respective international data?

As in evaluation of the nutritive value of food articles, Iranian nutritionist used to use the nutritional tables from scientific resources other than the native ones, such differences could be regarded as source of error when the homemade fish oil products are used as a supplement of Vitamin D3 in the recommended diets; however, to clearly address the issue, more study should be conducted on the presence and concentration of Vitamin D3 in the fish oil and fish liver oil prepared in the country.