8 Oct 2026
By: Rafaela Kava
More Than Ascophyllum: A Multi-Seaweed Approach for Dogs
Interest in solutions such as Ascophyllum extract for dogs is growing as pet owners, nutrition professionals and formulators explore naturally derived marine ingredients and their potential role in canine nutrition.
But what exactly is Ascophyllum, what are its benefits for dogs, and could there be more to seaweed nutrition than a single species?
What is Ascophyllum nodosum?
Ascophyllum nodosum is a brown macroalga naturally found along the North Atlantic coast. It is rich in naturally occurring minerals, polysaccharides and other bioactive compounds.
Because of its nutritional profile, Ascophyllum has been used for many years in animal nutrition and is particularly well known in the pet sector. This has also contributed to growing interest in Ascophyllum feed additive solutions for pet nutrition.
For dogs, one of the best-researched applications of Ascophyllum is oral health.
Ascophyllum for dogs: what does the research say?
Several studies have investigated the use of Ascophyllum nodosum in dogs, particularly as part of daily oral care.
A double-blind, randomized, placebo-controlled study involving 60 dogs found that daily supplementation with Ascophyllum-containing treats after professional dental cleaning significantly improved plaque and calculus indices. The dogs also had lower concentrations of volatile sulfur compounds, which are associated with bad breath.
A more recent review of the available research concluded that Ascophyllum has shown potential for reducing the recurrence of plaque and calculus formation in dogs and cats, particularly when used as a powder.
This makes Ascophyllum an interesting ingredient for dogs — particularly when the goal is supporting everyday oral hygiene.
But there is another important question:
Beyond Ascophyllum: the wider potential of seaweed
Seaweeds are not all the same.
Brown, green and red seaweeds contain different combinations of polysaccharides, minerals and other naturally occurring bioactive compounds. This means that using different species can provide a broader range of nutritional components than relying on a single seaweed.
For example, different seaweeds contain distinctive polysaccharides such as:
Many of these compounds are of interest because of their interactions with the digestive environment and the gut microbiome.
This has led to increasing interest in seaweed as a source of natural functional ingredients for pet nutrition, particularly as demand grows for natural dog products and naturally derived nutritional solutions.
Seaweeds are also attracting attention within the broader category of algae-based nutritional additives for pets, as formulators explore marine ingredients with diverse nutritional profiles.
So, why use a blend instead of only Ascophyllum?
This is where a multi-seaweed approach becomes interesting.
Rather than focusing on one species and one primary function, OceanFeed™ Pet combines carefully selected brown, green and red macroalgae.
The idea is simple:
OceanFeed™ Pet is designed around three complementary seaweeds:
Brown seaweed
Provides naturally occurring polysaccharides, minerals and other bioactive compounds and connects OceanFeed™ Pet with the well-established use of Ascophyllum in pet nutrition.
Green seaweed
A source of distinctive marine polysaccharides, including ulvan, contributing to the broader bioactive profile of the blend.
Red seaweed
Adds another group of naturally occurring polysaccharides and bioactive compounds, complementing the brown and green algae.
OceanFeed™ Pet: more than Ascophyllum
OceanFeed™ Pet takes the concept of seaweed nutrition one step further.
Instead of asking, “Which seaweed should I use?”, OceanFeed™ starts with a different question:
The result is a naturally derived blend designed to support digestive health, microbiome balance and overall wellbeing in dogs.
This multi-seaweed approach is particularly relevant as interest in the canine microbiome continues to grow. The gut plays a central role in digestion and interacts closely with the dog’s immune system and overall health.
Seaweed-derived polysaccharides are therefore attracting attention as potential functional components of diets designed to support a healthy digestive environment.
For dog food suppliers and pet food formulators looking to incorporate naturally derived marine ingredients, a multi-seaweed approach can also provide a broader nutritional profile than relying exclusively on a single seaweed species.
Ascophyllum vs. OceanFeed™ Pet
Choosing between a single seaweed and a multi-seaweed blend depends on the nutritional objective.
Ascophyllum nodosum
- Single seaweed species
- Particularly well known in canine oral-health applications
- Source of minerals and naturally occurring bioactive compounds
- Supported by clinical research in dogs for plaque and calculus management
OceanFeed™ Pet
- Blend of brown, green and red seaweeds
- Broader range of naturally occurring marine polysaccharides and bioactive compounds
- Designed with a focus on digestive health and microbiome balance
- Provides a multi-seaweed approach rather than relying on one species
In other words, Ascophyllum can be an interesting ingredient. OceanFeed™ Pet is designed to go beyond a single ingredient.
A smarter approach to seaweed nutrition
The growing interest in Ascophyllum for dogs is understandable. There is meaningful research behind its use, particularly in supporting oral health.
But the future of seaweed in pet nutrition may be broader than one species or one application.
By combining different seaweeds, OceanFeed™ Pet harnesses a wider spectrum of naturally occurring marine compounds in a single ingredient.
Discover OceanFeed™ Pet
OceanFeed™ Pet is a natural seaweed-based functional ingredient developed for use in dog nutrition.
If you are looking for a way to incorporate the benefits of seaweed into a pet food formulation while moving beyond a single-seaweed approach, OceanFeed™ Pet offers a scientifically driven multi-seaweed solution.
Learn more about OceanFeed™ Pet →