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The short answer: Tie at A (90/100). The family-mill matchup. Both brands operate their own in-house manufacturing rather than contract co-packing — that’s structurally rare in the catalog. Muenster is Texas-based with an ancient-grain carbohydrate base (sorghum + millet + quinoa) and four omega-3 sources. Fromm is Wisconsin-based with 117 years of family operation across five generations and a deeper named-probiotic supplement stack. Heritage vs heritage; different ingredient philosophies.

The scores

Muenster Milling Ancient Grains with Chicken: A (90/100) — Chicken, Chicken Meal, Grain Sorghum, Millet, Turkey Meal.

Fromm Gold Gold Adult: A (90/100) — Duck, Chicken Meal, Chicken, Oatmeal, Brown Rice.

How the ingredients compare

The top-five ingredients reveal the formulation split between these two brands:

Muenster Milling: Chicken, Chicken Meal, Grain Sorghum, Millet, Turkey Meal

Fromm: Duck, Chicken Meal, Chicken, Oatmeal, Brown Rice

Both formulas earn the same v15 score, but the ingredient lineups tell different stories about how they got there — that is where the actual pick decision lives.

Where Muenster Milling pulls ahead

Ancient-grain carbohydrate base: Sorghum, millet, and quinoa — three gluten-free ancient grains rather than the conventional brown rice and oatmeal that Fromm uses. Sorghum is high-protein and low-glycemic; quinoa is a complete protein on its own. For owners specifically interested in ancient-grain feeding, this is the structural differentiator. Shop on Amazon →

Four omega-3 sources: Salmon oil, cod liver oil, ground flaxseed, and chia seed — the deepest omega-3 stack in our A-tier reviews. Fromm relies on salmon oil and flaxseed alone. For dogs with skin, coat, joint, or cognitive support needs, this depth matters.

Chicken cartilage for natural glucosamine: Muenster includes chicken cartilage in the supplement section — a food-form source of glucosamine and chondroitin sulfate. Fromm Gold provides joint support via separate supplement-form glucosamine but doesn’t list a food-form cartilage source.

Where Fromm holds its own

117 years of family operation: Fromm Family Foods has operated in Wisconsin since 1904 — family-owned across five generations. Zero-recall track record across more than a century. Muenster Milling is also family-owned but operates with a meaningfully shorter heritage profile. For owners who weigh multi-generational track record heavily, Fromm has the heritage depth. Shop on Amazon →

Duck-led protein diversity: Fromm Gold’s #1 ingredient is duck — an unusual animal-protein lead. Chicken meal at #2 and chicken at #3 follow. For dogs with chicken sensitivities or owners seeking amino-acid variety beyond chicken-led formulations, this is the structurally different pick.

Named probiotic strain depth: Fromm Gold lists Lactobacillus acidophilus, Bifidobacterium animalis, Enterococcus faecium, and other named bacterial fermentation products. Muenster lists four named strains as well, so the depth is comparable, but Fromm has the brand heritage backing the supplement panel.

The bottom line

Muenster Milling and Fromm Gold both earn A/90 from the family-owned U.S. mill category. Muenster brings ancient-grain carbohydrate base, four omega-3 sources, and food-form chicken cartilage joint support. Fromm brings 117 years of Wisconsin family-mill heritage, duck-led protein diversity, and a deeper named-probiotic supplement stack. For owners who want ancient-grain feeding with deep omega-3 stack, Muenster. For owners who want maximum heritage credibility and duck-led protein variety, Fromm Gold.