My folic acid is abit low ?

Had blood tests the other day to check every thin cause I haven't been feelin right for a while now but I do get anxiety bad , it goes up & down & has been gd lately up untill last week when I came over all funny in my local supermarket I had eatin a cooked breakfast then with in about 15 mins I started to feel all funny like the blood drained from My face it was horrible , my partner said that I went really pale even my lips , my heart started poundin 'I thought it was a panic attack as was similar ' but doc said after that ,it sounds like I had a faint cause my blood pressure dropped , then he asked me if I wanted tests done I said yes , i was so anxious An scared an had a panic attack in the doctors while havin the tests but I am so glad I had them done now , ECG is fine they said but heart rate fast but put it down to my anxiety which I could agree with , then Blood tests came back ok But my folic acid Is abit low , I had a feelin that some thin was goin To show up but didn't think it would be that , does it mean that I am anemic then ? I have been havin a lot of bad head aches lately An bad migraines fast heart rate palpatations tierd weak dizzy light headed thought it was my anxiety ? Is it serious with it bein abit low ? Or is it ok ? Just need tabs ? Please help as I now feel better that I know But Also feel more anxious now