Specialist veterinary nutrition for pets
Find independent, science-based advice for pet owners, veterinarians and other professionals to optimize the feeding of our companions!
Han Opsomer
Dr. med. vet., EBVS® European Specialist in Veterinary and Comparative Nutrition
Where do you fit?
Pet owners
Unsure about your pet's diet? Faced with conflicting advice? Or simply want a solution that fits your values? Cat, dog or otherwise, healthy or with a condition, together we look for a solution!
Veterinarians & practices
Wanted to offer dietary advice but lacked the time or felt out of your depth? We can partner up for direct support, clinical-nutrition referral or whatever else you need.
Other professionals
Looking to elevate your venture through a partnership with a nutritionist? Or want a talk on animal nutrition for your event? Get in touch!
Pet owners
Unsure about your pet's diet? Faced with conflicting advice? Or simply want a solution that fits your values? Cat, dog or otherwise, healthy or with a condition, together we look for a solution!
Veterinarians & practices
Wanted to offer dietary advice but lacked the time or felt out of your depth? We can partner up for direct support, clinical-nutrition referral or whatever else you need.
Other professionals
Looking to elevate your venture through a partnership with a nutritionist? Or want a talk on animal nutrition for your event? Get in touch!
How does it work?
1. Choose a service
I consult owners and professionals alike. Find your fit via the selectors above, or see the list via the button below.
1. Choose a service
I consult owners and professionals alike. Find your fit via the selectors above, or see the list via the button below.
2. Submit & book
Each service description lists the information you'll need to provide to book.
2. Submit & book
Each service description lists the information you'll need to provide to book.
3. Advice & follow-up
You receive the agreed support. Share updates throughout, and book follow-ups whenever needed.
3. Advice & follow-up
You receive the agreed support. Share updates throughout, and book follow-ups whenever needed.
Why a veterinary nutritionist?
No case limitations
My clinical specialisation means I can provide guidance for healthy animals and those with medical conditions alike.
Independence and individualisation
I don't sell products, so a wide range of feeds and formats, including DIY recipes, can be used to match your pet's needs and your values.
Partnership
A nutritionist always plays a supporting role. We align with owners, health professionals and industry partners for tailored advice.
Science-based
A clinical and academic background allows interpreting new research and applying it in daily practice.
Flexible
Pet nutrition develops fast, with less-studied ideas emerging often. I can assess their risk and guide you if you wish to go beyond convention.
Continued education
To keep the title, a specialist must keep learning and contributing to the field. So we have to stay up to date.
Which services are offered?
Quick info
Looking for more information without the need for a calculation? Book a short call and we'll explore the options at leisure.
Dietary advice
I assess a pet's intake individually and optimise it on request. Commercial, home‑made or BARF, healthy or managing allergies, weight and more.
Cooperation
Want a smoother referral process for your clients? Let's see how we can work together to make referrals quicker.
Quick info
Looking for more information without the need for a calculation? Book a short call and we'll explore the options at leisure.
Dietary advice
I assess a pet's intake individually and optimise it on request. Commercial, home‑made or BARF, healthy or managing allergies, weight and more
Cooperation
Want a smoother referral process for your clients? Let's see how we can work together to make referrals quicker.
Commercial advice
A new idea or concept? After an outside view on your venture, or want to refine your own nutrition service? Let's explore how shared insight can move your business forward.
Education
Sharing knowledge is central to being a specialist. Get in touch if you'd like a session on pet nutrition for your event.
Commercial advice
A new idea or concept? After an outside view on your venture, or want to refine your own nutrition service? Let's explore how shared insight can move your business forward.
Education
Sharing knowledge is central to being a specialist. Get in touch if you'd like a session on pet nutrition for your event.
Online from home or from the office
Nearly all services are delivered remotely. No need to take a day off or set aside more time than our meeting actually requires. Services are available in multiple languages, to ensure we are aligned for progress!
It depends on the service. Most begin with a video call before you receive recommendations. Each service page and booking form shows what to submit.
ECVCN training requires to compare across species. So advice can be given for any pet. Where needed, I review the literature or refer you to a colleague.
Absolutely! I align with the current treatment plan and exchange ideas with your practitioners. I do not diagnose! An in-person exam by your vet is always required.
I am fluent in English, German and Dutch. French is possible with a little more effort on your part.
Please see the service pages. Prices are fixed or effort-based, but dietary plans are capped so complex cases never exceed a set range.