The food sources which are rich in vitamins are 

Eggs also called as referred as nature's multivitamin due to the presence of vitamins. One large egg contain vitamin B like: B12, B2, B5 and vitamin A.  

Lemon is a good source of vitamin C which is also called ascorbic acid. Whereas fish oil contain vitamin A and D. 

So the correct answer is 'All of the above'.