I get this query greater than nearly some other: “Dr. Dobias, is fermentation truly good for my canine, or is it one thing I ought to keep away from?” I perceive the confusion — in case you search on-line, you may see two utterly completely different tales. One article calls fermented meals a miracle for intestine well being, one other warns they are a histamine bomb. For this reason I need to stroll you thru what fermentation is, what the peer-reviewed analysis exhibits, and what I’ve seen in many years of apply.
What Is Fermentation, Actually?
Fermentation is just this: tiny dwelling organisms — micro organism or yeast — that break down meals earlier than your canine’s physique has to.
Think about a restaurant kitchen:
Behind the scenes, the workforce chops, marinates, and preps substances lengthy earlier than a meal reaches the desk. Fermentation is that back-room prep work. By the point fermented meals or dietary supplements attain the intestine, a lot of the onerous work is already executed.
Not all of those “kitchen workers” work the identical manner, although. Bacterial fermentation (like sauerkraut or kefir) flip sugars into acids, producing short-chain fatty acids (SCFAs) — the first metabolic output of bacterial fermentation within the intestine.[1] Others are yeasts, like Saccharomyces cerevisiae, which work via a unique pathway totally. This distinction turns into essential after we speak about histamine within the subsequent article.
How Fermentation Adjustments Meals
Fermentation doesn’t simply go away meals because it was. It transforms it.
1. Fewer anti-nutrients, higher mineral absorption
Uncooked plant meals usually include phytic acid — a pure compound that binds minerals similar to calcium, iron, magnesium, and zinc so the physique can’t absolutely entry them.
Phytic acid acts like a nutrient lock, and primarily based on a number of research, fermentation unlocks that lock.
A assessment within the Journal of Meals Science and Know-how documented that fermentation of grains considerably reduces phytic acid content material and improves the bioavailability of minerals sure by it.[2] Moreover, sourdough fermentation research have proven much more particular numbers: one examine discovered a 70% discount in phytic acid and roughly a 30% enhance within the bioaccessibility of minerals like magnesium, calcium, and zinc after 24 hours of fermentation.[3] One other peer-reviewed evaluation of maize fermentation confirmed decreased phytate ranges and enhanced estimated iron and zinc bioavailability.[4]
This issues particularly for canines. As carnivores, they’ve a shorter digestive tract than we do and fewer time to work round these pure blockers particularly in nutrient loaded greens and dietary supplements.
Fermentation is the pleasant ally, that helps to maximise nutrient absorption.
2. Extra bioavailable B nutritional vitamins (together with folate and B12)
Fermentation doesn’t simply protect vitamins — it might probably additionally create new ones.[6][7] Opinions of fermented starchy and vegetable meals present that vitamin content material usually rises throughout fermentation, largely as a result of the fermenting microorganisms synthesize these nutritional vitamins as they develop.
Analysis on cereal‑primarily based fermented meals goes even additional. Sure fermenting micro organism, together with Propionibacterium freudenreichii, have been proven to actively produce the lively types of vitamin B12 (cobalamin) and folate throughout fermentation – vitamins which are key for intestinal well being and have been barely current within the unfermented beginning materials.
In sensible phrases, fermentation can flip a modest plant ingredient right into a extra vitamin‑wealthy, biologically lively meals to your canine.
Fermentation and the Microbiome: Why the Intestine Loves It
When micro organism ferment fibres within the colon, they produce short-chain fatty acids like acetate, propionate, and butyrate. These SCFAs function gas for the cells lining the intestine wall and assist regulate metabolic and immune well being. Opinions on SCFAs and human metabolic well being concluded that growing SCFA manufacturing via fermentation could possibly be a priceless technique for stopping gastrointestinal dysfunction.[9][10]
Feeding helpful microbes and reducing irritation
Probably the most compelling human proof on this comes from a managed examine at Stanford College College of Drugs, revealed in Cell. Researchers discovered {that a} 10-week eating regimen excessive in fermented meals (yogurt, kefir, fermented greens, kombucha) elevated general intestine microbial range, with stronger results at greater consumption. Notably, 4 kinds of immune cells confirmed much less activation, and ranges of 19 completely different inflammatory proteins within the blood decreased. Curiously, a high-fiber eating regimen alone didn’t produce the identical anti-inflammatory impact.[8]
A various, effectively supported microbiome is strictly what our canines must extract, course of and make the most of vitamins from each meals and dietary supplements.
What This Means For Canines
All the above is fascinating, however what does it imply for us and our canines?
Analysis utilizing Saccharomyces cerevisiae fermentation merchandise (SCFP) particularly in canines has discovered measurable results on intestine and immune parameters. A examine analyzing canines present process transport stress discovered that SCFP supplementation supported fecal high quality and improved markers of oxidative stress and immune activation through the stress interval.[12]
A broader assessment in Frontiers in Veterinary Science on yeast Saccharomyces and its derivatives equally reported enchancment of immune markers in canines beneath physiological stress.[13]
Fermented Nutritional vitamins vs Artificial Nutritional vitamins
Most typical pet multivitamins depend on artificial premixes – remoted nutritional vitamins pieced collectively in a lab. These compounds are stripped of their pure context: no co-factors, no enzymes no phytonutrients. They’re pure chemical compounds.
Fermented, complete meals nutritional vitamins change that image. Peer reviewed research on fermentation present two constant patterns:
- Anti-nutrients like phytic acid are damaged down, liberating minerals similar to calcium iron, magnesium and zinc for absorption.
- New vitamins, together with nutritional vitamins are generated by the fermenting organisms themselves.
Fermented nutritional vitamins are embedded in a organic matrix that your canine’s digestive system is already outfitted to acknowledge and course of. As a substitute of remoted molecules that the physique should work more durable to interpret, they arrive as a part of a meals‑like construction, accompanied by naturally occurring co‑components.
Bioavailability – what the physique can truly soak up and use – issues greater than the milligrams printed on a label. Fermentation is among the most time‑examined methods we have now of enhancing that bioavailability.
Fast Comparability of Typical and Fermented Nutritional vitamins
| Function | Fermented, Entire-Meals Nutritional vitamins (SoulFood) | Typical Artificial Multivitamins |
|---|---|---|
| Nutrient kind | Embedded in meals matrix with co-factors | Remoted single molecules |
| Mineral absorption | Enhanced by way of phytate breakdown [1] [2] [3] | No inherent enhancement |
| Vitamin content material | Elevated via fermentation [4] [5] | Mounted, added synthetically |
| Intestine microbiome impact | Helps range [6] | No documented microbiome profit |
| Species specificity | Formulated for canines | Possibly formulated for canines or not |
Why I Use Fermented Multivitamins
Right here is why I’ve been so keen about serving to you perceive the distinction.
Many individuals are unaware {that a} fastidiously managed fermentation course of — utilizing Saccharomyces cerevisiae cultures on natural, whole-food substrates — may be very completely different from a jar of sauerkraut.
SoulFood Multivitamin was constructed round this science.
A licensed-organic, fermented multivitamin for canines and other people. Delivering vitamins the way in which nature meant — extremely bioavailable, sure to pure co-factors, and delicate on the digestive system.
Fermented with Saccharomyces cerevisiae, the identical class of fermentation proven to cut back anti‑vitamins, enhance B‑vitamin content material, and assist intestine microbial range and stress‑associated immune stability.
So as an alternative of remoted artificial nutritional vitamins pieced collectively in a lab, SoulFood delivers vitamins in a fermented meals‑primarily based matrix, free of lots of the pure locks that block absorption and enriched with fermented nutritional vitamins.
In my expertise, fermented nutritional vitamins are a transparent winner to standard counterparts that make us and our canine nauseous.
I give SoulFood Multivitamin to my canine, Pax, and my household and I take SoulFood H+ as a result of the analysis is strong.
The place Histamine Matches (And What Comes Subsequent)
Within the subsequent article, I’ll take you deeper into the histamine query.
It’s a widespread motive I hear, worrying about fermented meals altogether, particularly in relation to histamine and allergy symptoms. There’s a distinction between the sauerkraut like fermentation and the one utilizing Saccharomyces cerevisiae.
Whereas some microbes are histamine producers, others together with Saccharomyces cerevisiae, are histamine degraders, actively breaking histamine down!
Within the subsequent article, I’ll stroll you thru:
- The distinction between histamine‑producing and histamine‑degrading microbes.
- Why sure Saccharomyces cerevisiae strains have been proven to cut back histamine, not add to it.
- What this implies for canines with sensitivities, and for fermented nutritional vitamins like SoulFood.
Should you’ve been instructed to keep away from all fermented meals due to histamine worries, I feel you’ll discover this subsequent half genuinely eye-opening, possibly even stunning.
Should you’re curious to see what a fastidiously designed fermented multivitamin appears to be like like in apply, you’ll be able to discover SoulFood and SoulFood H+ right here:
References:
1. Arome Science. Quick-chain fatty acids within the human intestine: from microbial fermentation to systemic well being. 2026.
2. Gupta RK, Gangoliya SS, Singh NK. Discount of phytic acid and enhancement of bioavailable micronutrients in meals grains. J Meals Sci Technol. 2015;52(2):676-684. Obtainable from: PMC4325021.
3. Lesaffre Institute. Results of sourdough fermentation on phytic acid and mineral bioaccessibility. 2026.
4. Frontiers in Vitamin. Enhancing iron and zinc bioavailability in maize (Zea mays) via fermentation, soaking, and germination. Entrance Nutr. 2024.
5. Frontiers in Vitamin. Results of sourdough- or regular-bread fermentation, and phytate discount, on iron bioavailability and standing in people: a scientific assessment of human intervention research (1970–2024). Entrance Nutr. 2026.
6. Ekpa O, et al. B-vitamins and heat-processed fermented starchy and vegetable meals: a assessment. J Meals Sci. 2023;88(8).
7. Ashagrie D, et al. Cereal-based fermented meals as a supply of folate and cobalamin. Meals Res Int. 2025.
8. Wastyk HC, Fragiadakis GK, Perelman D, et al. Intestine-microbiota-targeted diets modulate human immune standing. Cell. 2021;184(16):4137-4153.
9. Cronin P, Joyce SA, O’Toole PW, O’Connor EM. Dietary fibre modulates the intestine microbiota. Cell Metab. 2021.
10. Maastricht College. Quick chain fatty acids in human intestine and metabolic well being. Nutr Res Rev. 2013.
11. Impact of fermentation on the dietary high quality of chosen greens. Meals. 2023;12(5). Obtainable from: PMC10051273.
12. American Society of Animal Science. Interpretive abstract: results of a Saccharomyces cerevisiae fermentation product on fecal traits and oxidative stress in canines present process transport stress. J Anim Sci. 2023.
13. Frontiers in Veterinary Science. Potential advantages of yeast Saccharomyces and their derivatives in canines and cats. Entrance Vet Sci. 2023;10:1279506.
14. Zhao Y, et al. The traits of histamine and tyramine degradation of Saccharomyces cerevisiae strains HL10 and HL17. Meals Chem. 2025. PubMed ID: 40484525.
