What Happens When You Switch Your Dog to Years?
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Switching your dog's food, especially if their current diet isn't quite agreeing with them, is a big decision, and it's natural to want to know what to expect.
The good news is that most dogs adjust fantastically well to fresh food, but the timeline isn't identical for every dog.
Age, overall health, day-to-day emotions, gut health, and what they're transitioning from (a mismatched diet, a lower-quality brand, or something in between) all play a part.
Here's a realistic, week-by-week picture of what most owners notice, with a little bit of an explanation as to why they may be seeing these changes.
Before diving in, it’s worth mentioning up front: however you're switching your dog’s food, it's worth doing so gradually, mixing increasing amounts of the new food with the old over 7 to 10 days.
Sudden changes, even to a better diet, can cause short-term tummy upset simply because the gut hasn't had time to adjust.
Table of contents
The first 7 days
Enthusiasm at mealtimes. Many dogs respond immediately and positively to fresh food, often showing more enthusiasm at mealtimes thanks to its aroma and texture compared to more heavily-processed alternatives.
Some digestive adjustment. During the transition window itself, it's common to see slightly softer stools or small changes in frequency of toileting. This is usually just the gut adapting to new ingredients and typically settles once the transition is complete, rather than being a sign something's wrong.
Less need to drink. Fresh food naturally holds more moisture than dried foods, so you may notice your dog drinking a little less from their water bowl. This is expected and isn't a cause for concern; they're simply getting more of their water from their food.
The first month
Firmer, smaller stools. This is often one of the earliest and most noticeable changes. Fresh food tends to be more digestible than processed alternatives, meaning more of what your dog eats is absorbed and used in their body, rather than passing through as bulky waste. In practice, this usually means firmer, smaller, less frequent and less smelly stools.
Early signs around energy. Some owners start to notice their dog seems a little more engaged or energetic around this point.
It's worth noting that energy levels are influenced by many things beyond diet, so this can vary quite a bit from dog to dog, but those highly digestible ingredients mean your dog is getting more of what they need to be healthy and energetic.
These ingredients and our fibre sources also mean you can expect your dog to have a steady release of energy throughout the day, rather than rapid-fire energy spikes and crashes they may get from other foods.
The very beginnings of coat changes. You may start to notice subtle early signs, such as less flaky skin and a more glossy coat. However, skin and coat fully regenerate on a cycle that typically takes eight to twelve weeks, so more visible coat changes tend to show up later rather than in this first month.
More settled evenings. Some owners report their dog seeming more settled overnight around this stage, possibly linked to improved digestive comfort and that steady release of energy. This link isn't something that's been robustly studied, so it's best considered a possible bonus rather than an expected outcome.
90 days and beyond
Coat and skin at their best. By around the three-month mark, the skin and coat's natural renewal cycle has typically been completed at least once.
This is usually when a shinier coat and calmer skin become most noticeable, and when any itching or soreness linked to the previous diet is most likely to have settled if diet was a contributing factor.
A new, stable baseline. Consistently firm, well-formed stools tend to become the norm rather than the exception by this stage.
Better-supported body condition. Fresh food is generally easier to portion accurately, which, alongside its digestibility, can support healthier weight management over the following months.
The cumulative picture. Many of the smaller changes noticed earlier (digestion, coat, and general demeanour) tend to add up to a more noticeable overall difference by this point.
Additional benefits
Many owners let us know about extra things they notice when they change their dog to Years. Things like calmer behaviour, the ability to engage better with them, increased focus, and overall seeming more relaxed are common themes.
What this means for your dog
Every dog is different, and diet is only ever one piece of the puzzle.
If you’re looking to change your dog’s diet because of an existing issue, such as itching, soreness, or digestive upset, and this persists beyond the first few weeks of a diet change, it’s worth a trip to your vet to discuss it and rule out any medical causes beyond diet.
Switching food isn't a guaranteed fix for every issue, but for dogs whose previous diet genuinely wasn't agreeing with them, giving fresh food a fair, gradual trial, and a realistic few months to show its full effect, gives you the clearest picture of what it can do for your dog.
An added bonus
When you subscribe to Years, you also get free unlimited access to our Expert Panel, so you can get trustworthy support along every step of the transition - and beyond.
FAQs
How long does it take a dog to adjust to Years?
Most dogs adjust to Years within the 7 to 10-day transition period, although every dog is different. Mild changes in stool consistency or toilet frequency can happen while their gut adapts to the new ingredients. Improvements in digestion may become noticeable during the first month, while changes to the skin and coat can take eight to twelve weeks.
How should I transition my dog to Years?
Introduce Years gradually by mixing it with your dog’s current food over 7 to 10 days. Begin with a small amount of Years, then increase it a little each day while reducing their old food. This gives their digestive system time to adapt and can help minimise short-term tummy upset.
Is it normal for my dog to drink less after switching to fresh food?
Yes. Years meals naturally contain much more moisture than dry food, so your dog may get more of their daily water through their bowl and drink less separately. They should still have constant access to fresh drinking water, and any sudden or significant change in thirst should be discussed with your vet.
Will switching to Years change my dog’s stools?
You may notice temporarily softer stools as your dog transitions. Once they have adjusted, many owners report smaller, firmer and less smelly poos. This is often linked to the digestibility of the food, as more of the meal can be absorbed and used by the body rather than passed as waste.
What should I do if my dog’s symptoms continue after changing their food?
Speak to your vet if itching, soreness, diarrhoea, vomiting or other symptoms persist, become more severe or concern you at any point. Diet can play a role in your dog’s wellbeing, but it cannot resolve every underlying condition. Years subscribers can also book free, unlimited consultations with the Years Expert Panel for guidance throughout the transition, although this does not replace veterinary advice.
About the author
Alyssa
Alyssa Ralph – MSc PGDip BSc(Hons)
Alyssa is a dual-qualified Clinical Animal Behaviourist and Canine Nutritionist with three degrees in behaviour, welfare and nutrition. She specialises in the link between emotional wellbeing and diet, helping dogs and their caregivers lead healthier lives. Having supported hundreds of dogs with issues like reactivity, anxiety and fussy eating, her work often transforms both health and behaviour.
