Fybogel Lemon Natural Fibre Drink 30 Sachets. Fybogel Lemon high fibre drink is an easy and convenient way to increase the fibre in your diet help your digestive system work more efficiently and gently relieving constipation without undue straining, discomfort or unnatural urgency, so helping to restore and maintain regularity. A lack of fibre in the diet is one of the main causes of bowel irregularity. Fybogel Lemon is high in natural fibre which will help you to restore and maintain your bodys regularity. Fybogel Lemon is also recommended wherever increased fibre is needed in your diet to help relieve constipation - this includes constipation during pregnancy. It is also recommended to help maintain a normal bowel function among patients suffering from any of the following conditions: Irritable Bowel Syndrome, colostomy or ileostomy, haemorrhoids (piles), anal fissure, persistent diarrhoea associated with diverticular disease, ulcerative colitis.