Relax Lactulose has a global distribution network and can provide lactulose to your specific concentration and packaging needs. Our lactulose is exclusively produced by Lacsa Pty., Ltd, located in Durban, South Africa. Our Lactulose meets and exceeds the specifications for the USP, BP and EP. Drug Master Files are registered in all across the Globe. The modern production facility Lacsa Pty Ltd, has been inspected by both the FDA and MHRA.