Hi doctor .i checked my vitamin d level and it is 8 .iam having topferol (50000 iu once in a week) .can i take a multivitamin tablet and omega 3 fish oil supplement daily ?will it affect vitamin d absorption?

Glad to see that you are addressing Vitamin D, and levels should stabilize in normal range in next 2-3 months. Would be cautious regarding fish oil, as many preparations contain egregious toxins, and Krill Oil is likely purer and safer. See no reason to take a multivitamin if your dietary habits are well balanced. If taken, should not affect D absorption.