Me and partner been trying for two years now

Amita

Hey all me and my partner have been trying from two years now to get pregnant but have had no luck been to family planning and they have said me to lose 5 or more kgs so belly fat can be lost and also sugar cut down as i have also irregular periods because of my weight. and i have tried every diet thing and all and now im on hunger buster capsules and having puraetae which has 14 fruits and vegetables in and spirulina in it so i have been skipping breakfast and having that for breakfast and having light lunch and dinner but still nothing changing anyone can give some advice