Not interested in food

My 8 month old is not interested in food what so ever. I have tried baby food, yogurt, BLW and nothing!!! Shell take a few bites then wants nothing to do with it. Its stressing me out and im trying so hard and at least 3 times a day. Anyone else dealing with this or dealt with it? Im trying so many things and nothing is working I feel like a failure all she wants is her bottle which she takes formula. What do I dooo help me out momma!! TIA!!!