Wildlife presenter and devoted dog dad Chris Packham has set himself, and his two dogs Sid and Nancy, a very specific mission: give Omni a proper 90-day trial and see how a carefully balanced, plant-powered diet affects their health, happiness and day-to-day lives. This is not a quick nibble and hope for the best; it is a structured, three‑month challenge designed with Omni’s vets to give dogs the time they need to truly adapt and thrive.
You can follow Chris and his dogs journey on his social accounts (Youtube, Instagram, Facebook).
What the 90-Day Challenge Actually Involves
The 90-day challenge is a simple, step-by-step way to switch your dog onto Omni while giving their body plenty of time to adjust. Rather than rushing the process, it breaks the journey into realistic stages so you can see how your dog responds over time.
Here is how it typically looks:
Weeks 1–2: Gradual transition
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You start by mixing a small amount of Omni with your dog’s current food, then slowly increase the Omni portion while decreasing the old food.
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This gentle approach helps your dog’s digestive system adapt to a new ingredient profile without unnecessary upset.
Weeks 3–6: Settling in phase
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By now, most dogs are eating Omni as their main diet, and their digestive system is adjusting to the new routine.
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This is when you can start to track early changes in poos, appetite, energy and overall enthusiasm around mealtimes.
Weeks 7–12: True results window
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Over this final stretch, more meaningful changes in coat quality, weight management, stool consistency and day-to-day vitality have time to emerge.
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You are no longer looking at short-term fluctuations but at how your dog is doing on Omni as their “new normal”.
By treating 90 days as a complete story, you give yourself enough data to decide if Omni genuinely suits your dog, rather than judging it on just a handful of meals.
Why Omni Vets Recommend a Full 90 Days
Omni’s vet team recommends 90 days because dog bodies, especially their digestive and immune systems, need time to adapt to any meaningful diet change. A three‑month window balances realism with science: it is long enough to see genuine trends, but short enough to feel achievable for busy humans.
Key reasons this timeframe matters:
Digestive adaptation takes weeks, not days
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The gut microbiome (the community of bacteria in your dog’s digestive system) needs time to rebalance around new nutrients and fibre sources.
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In the early weeks of a switch, minor changes in poo or appetite can be part of this adjustment; 90 days lets you see past the “settling” phase to a stable picture.
Visible changes in coat, weight and energy are gradual
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Coat quality, skin comfort and body condition reflect long‑term nutrition rather than what happened in the last couple of meals.
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Omni’s vets want owners to look at how their dogs are doing after several consistent weeks, not after a quick “taste test”.
Behaviour and “spark” need a pattern
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Subtle shifts in stamina on walks, playfulness at home and general zest for life can be easy to miss in a short trial.
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Over 90 days, you can spot whether your dog’s good days are becoming their everyday baseline.
In short, 90 days is long enough to judge Omni fairly, and to know whether it truly fits your dog and your lifestyle.
What to Watch for During the Challenge
As you follow Chris, Sid and Nancy on their 90‑day journey, you can track similar changes in your own dog. The aim is not perfection, but a clear sense of how your dog responds when Omni becomes their main diet.
Things many pet parents monitor include:
Digestion and poos
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Are poos becoming more consistent in shape and frequency?
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Is there less straining or discomfort, and fewer tummy upsets day to day?
Energy and stamina
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Does your dog seem more balanced, not sluggish, but not “wired” either?
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Are they keeping up better on walks or play sessions, and recovering comfortably afterwards?
Coat, skin and body condition
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Is the coat looking shinier or softer to the touch over time?
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Are you happy with your dog’s weight and muscle tone as you continue the challenge?
Overall wellbeing
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How is their mood: more playful, more engaged, more content at home?
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Do they seem comfortable in their own body, from movement to scratching and licking habits?
By jotting down a few notes each week, you build a personal picture of how your dog is doing, just as Chris is doing with Sid and Nancy.
Why Following Chris’s Lead Makes Sense
If you have been watching Omni from the sidelines but have not yet made your first purchase, Chris’s 90-day challenge is the ideal moment to experiment with purpose. Instead of a vague “maybe one day”, you give yourself a clear plan and timeframe, supported by vet thinking and real‑world experience from another devoted dog owner.
Joining the challenge means:
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You commit to giving your dog a scientifically formulated, plant-powered diet a fair trial rather than a one‑off sample.
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You give your dog’s body enough time to adapt and show you what this way of feeding can really do for them.
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At the end of 90 days, you can make an informed decision, stay with Omni, adjust the routine, or discuss next steps with veterinary professionals if needed.
For many owners, that clarity alone is empowering: you are no longer wondering “what if?”, you are actually finding out.
Ready to Start Your Own 90-Day Journey?
Chris, Sid and Nancy are treating their 90 days with Omni as an experiment grounded in care: see how a thoughtfully designed, plant‑powered diet works for real dogs in a real home. You can do the same with your dog, knowing that three months is long enough for meaningful change and short enough to feel manageable.
If you decide to jump in, follow the gradual transition, keep an eye on the key signs of health, and give your dog the chance to show you how they truly feel on Omni. At the end of those 90 days, you will know whether this is the food that earns a permanent spot in their bowl.
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