Guilty not breast feeding

Don't be. I'm a low supply mum as well, and I understand the pressure. Fed is best. My baby is mostly formula fed, but I still express and bottle feed whatever breastmilk I have. I stopped latching her 4 days after discharge, since her lips were peeling and she was constantly crying from frustration and hunger. She drinks 110ml per feed at 3 weeks old, but I only produce around 30ml total per pump session. My baby is now 4.4kg at 3 weeks old and growing well. You've done a lot for your baby in the 9 months of pregnancy. There's no need to feel guilty, since baby is fed and well.