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Protexin Veterinary Fibreplex is a probiotic and fibre gut support paste for rabbits, stocked at PeekAPaw in a 15ml oral syringe. This is a rabbit product, not a dog or cat one. The formula is built around the fibre a rabbit's hindgut runs on, and Protexin describes it as a high-fibre, energy-dense paste formulated to support normal gut motility. Alongside the fibre it carries Petbiotix: the live yeast Saccharomyces cerevisiae plus Preplex prebiotic, which is oligofructose and acacia gum. The paste is carrot flavoured to help palatability, and the graduated syringe makes it straightforward to give by mouth to a rabbit that has gone off its food. One important caveat: a rabbit that has stopped eating or stopped passing droppings is an urgent veterinary case, so ring your vet first. Fibreplex is supportive care to use alongside their advice, not a substitute for that call.
Fibreplex is a carrot-flavoured, high-fibre, energy-dense paste formulated to support normal gut motility. It also includes Petbiotix to support a healthy gut and microbiome — because a happy tummy means a happy bunny.
Key benefits
- High-fibre formula to support normal gut motility
- Provides ¼ of the daily resting energy requirement (RER)
- Contains Petbiotix probiotics and prebiotics for a healthy gut microbiome
- Carrot-flavoured paste to aid palatability
- Convenient 15ml syringe for easy oral administration
Ingredients
Probiotics
The live yeast Saccharomyces cerevisiae (CNCM I-4407) 4b1702
Prebiotics
A prebiotic, consisting of Preplex® prebiotic (oligofructose) and acacia (Gum arabic)
Fibre
To support normal gut motility
Instructions for use
- Give 1ml per kg of body weight by mouth, three times a day
- Use for as long as considered necessary, or as advised by your vet
Presentation
Fibreplex is available in a 15ml syringe.


