i hve nw given my ssc exam and wanna b'come a NUTRITIONIST WIL YOU PLEASE guide me in a detailed manner asto how mny yrs wil it take.etc?

I HVE NO IDEA AS TO WAT IS TO B DONE NEXT SO PLEASE EXPLAIN ME WAT ARE THE REQUIRMENTS TO BECOME A NUTRITIONIST AND ALSO IF U THINK DAT SUM ODA PROFFESSION IS BETTER PLEASE RECOMMEND IT. I WANT TO START A BUSINESS ON MY OWN AND DONT WANT TO WORK UNDER SOMEBODY!! I EM GOOD IN MATHS AND SCI BOTH !!