





Protexin

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Protexin















Protexin SereniCare is a calming support supplement designed to help dogs and cats manage stress, anxiety, and behavioural challenges. This advanced formula combines scientifically researched calming ingredients with gut-supporting nutrients to promote balanced mood and wellbeing.
SereniCare contains alpha-casozepine, a natural calming peptide derived from milk protein, along with L-tryptophan, an amino acid that supports serotonin production (often called the “happy hormone”). It also includes a calming postbiotic blend and prebiotic fibre, helping support the gut microbiome and the important gut–brain connection involved in emotional balance.
✓ Supports calm behaviour – helps manage stress and anxiety-related behaviours in dogs and cats
✓ Gut–brain connection – supports the link between digestive health and emotional wellbeing
✓ Calming peptides – alpha-casozepine, a natural bioactive peptide from milk protein, promotes relaxation
✓ Serotonin support – L-tryptophan is a precursor to serotonin to support mood and behaviour
✓ Postbiotic blend – heat-treated beneficial bacteria to support gut health
✓ Prebiotic fibre – Fibersol® resistant maltodextrin supports healthy gut microbiota
✓ Versatile use – suitable for stressful events (fireworks, storms, vet visits, travel) and long-term support
✓ Convenient sachets – powder mixes easily with food
Begin supplementation approximately 2 weeks before an expected stressful event where possible. Effects may be seen sooner in some pets, while others may take up to 6 weeks for full benefit.
Give once daily according to your pet’s body weight. An additional dose may be given 90–120 minutes before a known stressful event if required.
Cats under 10 kg – ½ sachet daily
Dogs under 10 kg – ½ sachet daily
Dogs 10–25 kg – 1 sachet daily
Dogs 25–50 kg – 2 sachets daily
Dogs over 50 kg – 3 sachets daily
SereniCare may be used long-term alongside appropriate behavioural training. Dosage can be adjusted as advised by your veterinarian.
Alpha-casozepine – natural calming bioactive peptide from hydrolysed milk protein
L-Tryptophan – precursor to serotonin to support mood and behaviour
Heat-treated Lactobacillus rhamnosus CECT8361 – postbiotic
Heat-treated Bifidobacterium longum CECT7347 – postbiotic
Fibersol® – resistant maltodextrin prebiotic fibre
Suitable for dogs and cats
Pack size: 30 sachets
Ideal for both situational stress and ongoing anxiety support
Store in a cool, dry place














Protexin SereniCare is a calming support supplement designed to help dogs and cats manage stress, anxiety, and behavioural challenges. This advanced formula combines scientifically researched calming ingredients with gut-supporting nutrients to promote balanced mood and wellbeing.
SereniCare contains alpha-casozepine, a natural calming peptide derived from milk protein, along with L-tryptophan, an amino acid that supports serotonin production (often called the “happy hormone”). It also includes a calming postbiotic blend and prebiotic fibre, helping support the gut microbiome and the important gut–brain connection involved in emotional balance.
✓ Supports calm behaviour – helps manage stress and anxiety-related behaviours in dogs and cats
✓ Gut–brain connection – supports the link between digestive health and emotional wellbeing
✓ Calming peptides – alpha-casozepine, a natural bioactive peptide from milk protein, promotes relaxation
✓ Serotonin support – L-tryptophan is a precursor to serotonin to support mood and behaviour
✓ Postbiotic blend – heat-treated beneficial bacteria to support gut health
✓ Prebiotic fibre – Fibersol® resistant maltodextrin supports healthy gut microbiota
✓ Versatile use – suitable for stressful events (fireworks, storms, vet visits, travel) and long-term support
✓ Convenient sachets – powder mixes easily with food
Begin supplementation approximately 2 weeks before an expected stressful event where possible. Effects may be seen sooner in some pets, while others may take up to 6 weeks for full benefit.
Give once daily according to your pet’s body weight. An additional dose may be given 90–120 minutes before a known stressful event if required.
Cats under 10 kg – ½ sachet daily
Dogs under 10 kg – ½ sachet daily
Dogs 10–25 kg – 1 sachet daily
Dogs 25–50 kg – 2 sachets daily
Dogs over 50 kg – 3 sachets daily
SereniCare may be used long-term alongside appropriate behavioural training. Dosage can be adjusted as advised by your veterinarian.
Alpha-casozepine – natural calming bioactive peptide from hydrolysed milk protein
L-Tryptophan – precursor to serotonin to support mood and behaviour
Heat-treated Lactobacillus rhamnosus CECT8361 – postbiotic
Heat-treated Bifidobacterium longum CECT7347 – postbiotic
Fibersol® – resistant maltodextrin prebiotic fibre
Suitable for dogs and cats
Pack size: 30 sachets
Ideal for both situational stress and ongoing anxiety support
Store in a cool, dry place