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Built for dads who don't get a day off. The Dad Stack pairs regeneratively raised bison liver and heart with wild-caught Irish oyster extract — two of the most nutrient-dense foods on earth — to fuel the strength, stamina, and steady energy fatherhood depends on.
Built for dads who don't get a day off. The Dad Stack pairs regeneratively raised bison liver and heart with wild-caught Irish oyster extract — two of the most nutrient-dense foods on earth — to fuel the strength, stamina, and steady energy fatherhood depends on.
Delivers bioavailable iron, B12, and zinc for sustained, natural energy
Supports muscular strength, endurance, and recovery
Promotes heart health, immune resilience, and male vitality
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Take 5 capsules of American Beast and 4 capsules of Wild Irish Oyster Extract daily. New to organ supplements? Start with 1–2 capsules of each per day and gradually increase. For best results, use consistently as part of your daily routine.
For best results, use consistently as part of your routine.
Need guidance? We’re here to help.
American Beast (Bison Liver & Heart):
Wild Irish Oyster Extract:
All orders ship from our warehouse within two business days (often on the same day).
If you're not satisfied with our products for whatever reason, you have 60 days to return them for a refund (excluding shipping fees).
American Beast combines bison liver (which is rich in Vitamin A, B12 and folate) with bison heart (a natural source of CoQ10, iron and taurine). Together, they support strength and endurance by fueling energy production, oxygen delivery and optimal cardiovascular function.
For most of human history, nutrient-dense seafood like oysters played a regular role in the diet. But modern diets are often low in zinc and iodine due to reduced seafood intake. Our Oyster Extract supplement helps bridge that gap by delivering these essential minerals in a whole-food form your body recognizes and can use efficiently — bringing ancestral nourishment back into modern life.*
We prioritize purity and potency with rigorous third-party lab testing at every stage of production. Transparency matters, so we make our test results available in our help center. You can learn more about our five-stage testing process in this blog article.
Our supplements come in amber glass bottles with metal lids (never plastic). Dark glass helps preserve nutrient integrity by protecting against light and oxygen, while eliminating the risk of microplastic leaching. It’s safer for you, better for the environment and fully recyclable — giving you peace of mind with every bottle.
100% pure, additive-free, and sourced from regeneratively raised U.S. bison. No hormones, antibiotics, pesticides or GMOs. Freeze-dried for maximum nutrient retention. American Beast is ancestral nourishment the way nature intended.
At MK Supplements, we’re more than just a brand—we’re a family dedicated to real health, real food, and real results. The Kummer family believes in the power of ancestral nutrition, sourcing only the purest, regeneratively raised ingredients to fuel your body the way nature intended. We use what we sell, we live what we teach, and we stand behind every bottle.
