Is it too late to start frolic acid?

Brandi-lea • Khaleesi-May Dizney Van Vliet - my precious daughter born on 23.6.15 👶🏼🌸
Its my 12th month ttc and I'm in CD11 , I haven't ovulated yet but am due to ovulate Cd16, is it too late to start taking folic acid? I've never taken it but got some yesterday, can I take my first one today?