Dr Reckeweg Ferrum Phosphoricum Biochemic Tablet 30x is used for enhancing red blood cell production and haemoglobin levels. It helps manage mild symptoms of anaemia, pallor and recovery from blood loss. This tablet helps support recovery from tiredness and general weakness.. It helps ease early-stage fever, mucosal swelling, sore throat and respiratory irritation, especially in colds. This tablet is useful for inflammatory joint discomfort, such as shoulder and knee stiffness or neuralgia, by reducing congestion and pain.