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General Product Information

Where do you source the ingredients from?

All our bovine supplements are made from 100% grass-fed and pasture-raised cattle from the United States, New Zealand and the European Union. Our bison supplements are made from bison that are free to roam the vast pastures of the midwest. While the

Are your supplements 100% grass-fed and grass-finished?

All our supplements are made from 100% grass-fed and grass-finished cattle.

Do you test your supplements for bacteria, heavy metals, mold and other toxins?

All our products undergo several laboratory tests for bacteria, gluten, heavy metals, mold, yeast and other toxins as part of the manufacturing process. Below are links to our test reports from recent lots:. If you have any questions or concerns abou

I'm new to beef organs. What supplements should I start with?

Depending on your current health, diet, nutritional needs and budget, we recommend starting with Beef Organs and Bone & Marrow. If you're on a budget and want to start with a single supplement, we recommend Beef Liver or Beef Organs. If you're an ath

Are you supplements gluten-free?

Yes, all of our supplements are gluten-free.

What's the expiration date of your supplements?

Our grass-fed beef organ supplements have a best-by date of two to three years from the date of manufacturing. On average, the supplements you receive will have a remaining shelf-life of 12+ months.

Do your supplements have any taste?

Since the powder is encapsulated in a gelatin capsule, it’s completely tasteless and has no aftertaste.

Can you take the supplements as a meal replacement?

Freeze-dried organ meats are an excellent replacement for multivitamin supplements, but they don't replace a full meal because they don't have many calories. For example, each serving of our Beef Liver supplement has only two grams of protein and vir

Are your supplements kosher?

Our supplements are made from 100% grass-fed cattle that are butchered in a manner compatible with kosher practices. However, our products are not certified kosher.

Where does the gelatin in your capsules come from?

Gelatin is a protein (similar to collagen) and we make it by boiling bovine skin, tendons, ligaments and/or bones.

Is the gelatin of the capsules from beef or pork?

We only use bovine (beef) gelatin for our capsules.

Can I take beef organ supplements during pregnancy or while nursing?

While we can't give any medical advice and always recommend consulting with a knowledgeable medical professional (OBGYN), many customers have consumed fresh or freeze-dried organ meat supplements during pregnancy and while lactating without any issue

Why aren’t your supplements labeled as organic?

100% pasture-raised and grass-fed cows that don’t receive any non-organic or GMO feed are organic by definition. The reason why you still don’t see an “organic” label on our products is that the gelatin capsule isn’t certified organic.

Who should consider using beef organ supplements?

We think every person who doesn’t follow a true nose-to-tail carnivore diet can benefit from beef organ supplements. While it’s always best to eat a variety of fresh organ meats, it’s just not feasible for most of us. Freeze-dried organ meats are the

What's the best time to take your supplements?

You can take our supplements whenever it's most convenient for you. In other words, there is no difference between splitting up the capsules or taking them all at once, with or without a meal. If you practice intermittent fasting, we recommend consum

What's your recommended dosing protocol?

If you're new to consuming organ meats, we recommend building up to the full dosage (usually four capsules) over the course of a few days to allow your body and digestive system to adapt. After about a week, you can take the full serving each day, wi

What are potential side effects of consuming organ meats?

Most people tolerate organ meat supplements well but we've seen a few cases of GI discomfort. That's why we recommend starting out with half the regular serving size if you're new to consuming organ meat. If you have an existing medical condition tha

Can I take both Liver and Heart & Spleen every day or should I alternate?

Depending on your nutritional needs and diet, we recommend taking both supplements every day. However, if make fresh organs a part of your regular diet, you can certainly alternate between Liver and Heart & Spleen.

Are your supplements halal?

The supplements are not made with any pork products and the cattle we source the organs from are being bled before being butchered. However, our supplements are not technically halal-certified.

Can you consume beef liver if you have high cholesterol?

Freeze-dried beef liver only has residual fat and carbohydrates, and thus does not impact blood lipids (including total cholesterol). Moreover, it's worth noting that even fresh foods containing cholesterol and saturated fats don't negatively impact

Do the cattle you obtain the organs from receive mRNA vaccines?

No. Regardless of where a particular product is sourced from — we source from the United States, European Union and New Zealand — we only work with suppliers who do not administer mRNA vaccines to their livestock.

Are there calories in your freeze-dried organ supplements?

While our labels may not show calories, freeze-dried beef organs are not calorie-free. Each serving approximately contains eight calories, mainly from the protein content. Micronutrients themselves do not contribute caloric value—it's the macronutrie

What are the benefits of glass bottles versus plastic containers?

While glass bottles are more expensive to source and ship, they significantly benefit the environment and the consumer (you). For all those reasons, we're proud to offer all of our supplements in glass bottles with metal lids instead of plastic conta

Do your organ meat supplements contain blood?

All our animals are bled before being butchered, so only residual amounts of blood are left in the tissue and organs. All liquids disappear during freeze-drying, but a few proteins and micronutrients might be left from the residual blood.

Does freeze-drying destroy all pathogens?

As with freezing meat, freeze-drying doesn't kill all pathogens (e.g., bacteria and viruses). However, the FDA requires ALL glandular powders imported into the United States to be heated to destroy pathogens. While some brands use heat drying (high h

Are MK Supplements Beef Organ products tested for PFAS?

The ingredients used in our supplements are sourced from 100% grass-fed, grass-finished cattle raised on regenerative farms. These farms use no chemicals or biosolids, ensuring the cattle and their feed are not exposed to harmful substances like Per-