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Nutrabio from Nutravet is a fast-acting probiotic paste for dogs and cats, formulated to support normal digestive function and help firm up loose stools. Each 2ml notch of the calibrated syringe delivers around 4 billion Enterococcus faecium cells alongside FOS and MOS prebiotics, kaolin clay and sweet basil extract, and Nutravet reports a response within 24 to 48 hours. Dosed by bodyweight with a loading dose on day one and a lower maintenance dose from day two, given straight from the syringe or mixed into food. Supplied as a single 20ml syringe. Persistent or bloody diarrhoea needs a vet, not a supplement.
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Nutrabio is Nutravet’s fast-acting probiotic paste for dogs and cats, supplied in a 20ml syringe marked in 2ml notches so the dose can be given without measuring anything out. It pairs a high-strength live probiotic with FOS and MOS prebiotics, kaolin clay and sweet basil extract, and it is aimed at the ordinary sort of digestive upset – a change of food, a stressful week, or a gut that needs help settling back down.
What Nutrabio does
Most probiotics ask for patience. This one is formulated for speed, and Nutravet reports a response usually within 24 to 48 hours. The kaolin works on stool consistency straight away while the probiotic and prebiotics get to work on the bacterial balance underneath.
Helps firm up loose, sloppy stools.
Supports normal digestive function and helps restore the gut’s bacterial balance.
Nutravet reports it helps bind toxins in the gut.
Helps reduce flatulence, which the rest of the household will notice.
Highly palatable – most dogs and cats take it straight from the syringe.
Nutravet states the formula contains no animal-derived ingredients.
Key ingredients
Enterococcus faecium DSM 10663 NCIMB 10415 – a live probiotic strain at 2 x 10^12 cfu/kg, working out at roughly 4 billion cells per 2ml notch.
Kaolin clay – 100g/kg, a natural adsorbent that binds toxins and takes up excess water in the gut.
FOS and MOS prebiotics – fructo-oligosaccharides and mannan-oligosaccharides, included to feed beneficial gut bacteria.
Sweet basil extract – for palatability and digestive comfort.
Sunflower and canola oil, yeast extract – the paste base and flavour carriers.
How to use
Give the paste straight into the mouth from the syringe, or mix it into a small portion of food. The plunger is notched in 2ml steps, so you count notches rather than trying to judge a volume by eye. Dosing runs as a higher loading dose on day one, then a lower maintenance dose from day two.
Getting the dosing right
Nutravet’s published amounts, by bodyweight:
Cats and small to medium dogs, up to 9.99kg: 4ml (2 notches) on day one, then 2ml (1 notch) daily.
Medium to large dogs, 10-24.99kg: 6ml (3 notches) on day one, then 4ml (2 notches) daily.
Large dogs, 25-49.99kg: 8ml (4 notches) on day one, then 4ml (2 notches) daily.
Large dogs, 50kg and over: 10ml (5 notches) on day one, then 6ml (3 notches) daily.
Work out the weight band before you start, and do not skip the day one loading dose – it is what gets the probiotic working quickly. A 20ml syringe therefore covers roughly a week for a cat or small dog, and rather less for a large one.
Who it suits
Nutrabio is intended for dogs and cats with occasional, mild digestive upset: a change of diet, travel, a kennel stay, or the general aftermath of eating something they should not have. It is also commonly used as supportive care around a course of antibiotics, though timing is worth checking with your vet, since some antibiotics are best given a couple of hours apart from a live probiotic.
Signs your pet may benefit
Loose stools or mild diarrhoea that has just started.
A gurgly stomach, or noticeably more wind than usual.
Digestive upset after a change of food.
Stress-related tummy trouble around travel, boarding or a house move.
A gut that is unsettled after a course of antibiotics.
Everyday changes that help alongside it
Make diet changes gradually over a week rather than overnight. Keep fresh water available, since even mild diarrhoea costs a pet fluid. Feed smaller, more frequent meals of something plain while the gut settles, and keep treats and scraps out of the picture for a few days. In a multi-pet home, feed separately so you can see whose stools are actually improving.
What to expect, and when
Nutravet reports that most pets respond within 24 to 48 hours. That is a manufacturer-reported average rather than a guarantee. If there is no improvement in stool consistency or general comfort within a couple of days, stop and speak to your vet rather than continuing to dose.
When to speak to your vet
Diarrhoea that is persistent, worsening, or contains blood.
Repeated vomiting alongside the digestive upset.
A pet that seems in pain, is lethargic, or has gone off food entirely.
Noticeable weight loss.
Very young, elderly, pregnant or already unwell pets – check before giving anything.
Any suspicion your pet has eaten something toxic or an object it should not have.
Nutrabio is for mild, short-lived upsets. Anything more than that needs a proper look rather than another day of paste.
Storage and shelf life
Keep the syringe capped in a cool, dry place away from direct sunlight, and out of reach of children and pets. Use by the date printed on the pack. Nutravet has not published a specific storage temperature range for this product, so follow the instructions printed on your own pack.
Product information
Format: oral paste in a calibrated 2ml-notched syringe
How quickly does Nutrabio work?
Nutravet reports most pets improve within 24 to 48 hours of the loading dose. If nothing has changed after two days, speak to your vet.
How do I know how much to give?
Count the notches on the plunger. Each notch is 2ml, and the amount depends on your pet’s weight band – see the dosing list above.
Can I give it alongside antibiotics?
It is commonly used that way, but check timing with your vet. Some antibiotics are best given a couple of hours apart from a live probiotic.
Does my pet have to take it from the syringe?
No. It is palatable enough that most take it directly, but you can mix it into a small portion of food instead.
How long does a 20ml syringe last?
Roughly a week for a cat or small dog on the maintenance dose. A large dog will get through it considerably faster.
Is it suitable for puppies and kittens?
Dosing is by bodyweight rather than age, but very young animals should only be given any supplement on your vet’s advice.
Does it contain animal-derived ingredients?
Nutravet states that it does not.
How is this different from the other Nutrabio products?
This is the original 20ml probiotic paste. Nutravet also makes Nutrabio Anal Gland Support, a 400g high-fibre powder, plus Nutrabio Advanced daily digestive sachets and Nutrabio Rapid Stool Support chews. Different formats, different formulations, different jobs.
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