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Boost your wellness with this super bone broth protein

written by

Marie Reedell

posted on

November 15, 2019

First, let’s get this straight. Bone broth is not a regular stock or broth. It’s the superhero of stocks. Some call is liquid gold.

Where stock and broth are boiled for a few hours, bone broth is simmered for up to 24 hours. Bone broth should also contain vinegar, which draws additional nutrients from the bones.

There are a lot of amazing benefits of bone broth, but today we’re going to focus on one - collagen!

Collagen is a protein that contains specific amino acids that are essential for rebuilding bone, connective tissue, and skin. These little amino acids do so much for your overall wellness.

According to ConsumerLab’s reviews, 1 cup of store bought bone broth contains anywhere from 2.5 to 11.5 grams of collagen. I assume that a homemade bone broth made from quality pasture raised bones (you know, the kind that’s like jello at room temperature) would have 11.5 grams of collagen or more per serving. 

There are many nutritionists, health coaches, and practitioners that recommend collagen supplements anywhere from 10-15 grams per day. So 1 cup of bone broth per day would cover it. And, since the only side effect of too much collagen (if that’s even possible) is a tummy ache, feel free to have as much as your body says it needs.

Collagen helps repair a leaky gut.

Your intestinal walls are made up of microscopic folds or “villi”. The villi are built from amino acids in collagen. The collagen literally seals the leaks.

Collagen improves the appearance of your hair, skin, and nails.

Starting at about age 35, you naturally start to produce less collagen. This is one reason why your hair may get brittle, your skin becomes less elastic and starts to form wrinkles, and your nails may be weaker. Adding more collagen to your diet is a great way to make your hair, skin, and nails smoother, firmer, and silkier.

Collagen impacts your joint health.

Like oil in a car, collagen allows your joints to move smoothly. As you age and collagen depletes, adding more collagen to your diet will help ease any pain or stiffness when your body moves.

Collagen supports bone formation, growth, and repair.

Your bones are made of ⅓ collagen. This is what allows them to be flexible. Adding collagen to your diet may support bone health by increasing the mineral density. There are studies that show collagen can also help with osteoporosis.

Collagen also supports your heart and liver function.

Specific amino acids in collagen can help your liver and heart repair itself from the damage caused by normal function.

And a great thing about bone broth is that it’s easy to make. You can find our bone broth recipe here.

It’s important to note that the quality and source of your bones will significantly impact the quality and amount of collagen in your broth. Please make sure you are sourcing from farms like ours that raise truly pastured animals.

Miller’s has a bunch of bone options for making an excellent bone broth: beef marrow bones, beef bones, pork bones, chicken neck and back, stewing hens, and more! 

To make things a bit easier for you, we created a bone broth collection where you can buy bone broth as well as ingredients to make it yourself.

And please remember to not throw away the leftover bones from your steaks, roasts, and other cuts. Those can be made into bone broth within a few days, or stick them in the freezer (along with your veggie scraps) for making bone broth later.

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*Photo by Jules

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Our bone broth tested negative-ish for heavy metals 🥳 NATURAL AND CLEAN

Over the past few months a bunch of people asked us if we tested our bone broth for toxic heavy metals. When we get the same question a lot, we of course look into it. My first question was --- Is there an issue with toxic metals in bone broth? As it turns out, yes, there "can" be an issue! Heavy metals are naturally present in our environment. We need the "good" heavy metals to thrive: iron, zinc, magnesium, copper, etc. But, we can 100% do without the toxic heavy metals: arsenic, cadmium, lead, mercury, etc. Too many toxic heavy metals can lead to a host of pretty awful issues: nervous system damage, cardiovascular issues, cancer, endocrine disruption, kidney damage, and so on. Our body is designed to excrete heavy metals through urine (and a little bit through sweat, hair, and breastmilk too)... but only so much. There's a limit. If you're overloaded, your body will store those heavy metals in your bones, blood, tissues, and organs. Similarly, if an animal is exposed to heavy metals via food, water, air, dust, or soil, those heavy metals accumulate in the bones. Maybe the farm's soil or air is contaminated from a nearby factory. Maybe the pipes for the water has lead solder connecting them. Maybe the feed a farm is buying was grown on contaminated soil or processed on contaminated equipment.  And, of course, a main purpose of bone broth is drawing out as much as possible from the bones. If there are heavy metals in bones, they will make their way into the broth. This is especially true when you pre-soak with apple cider vinegar and simmer for 48 hours to make it thick and gelatinous (like our broth). And that led me to my second question --- Should I be concerned about every bone broth? Where is the fear coming from? Well... it seems it might be a little political. There was a study done in the UK in 2013 that scared a lot of people. It's titled "The Risk of Lead Contamination in Bone Broth Diets". This study found high levels of lead in organic chicken bone broth, which is quite concerning. And, in fact, this one study is still cited in articles written today! Let's dig a little deeper. Let's go farther than the short abstract. Here are the broths tested in the study and their test results for lead:  (9.5 parts per billion): Broth made from tap water plus skin and cartilage(7.01 parts per billion): Broth made from tap water plus bones(2.3 parts per billion): Broth made from tap water plus meat(0.89 parts per billion): Tap water alone cooked for the same amount of time as a control. But, they only used organic chicken from one farm. And, there's zero information about that farm, their practices, the feed, and the broth recipe. Did they use vinegar or wine in the broth? Was the chicken's water contaminated with lead? What was the quality of the feed and the soil? Were the chickens raised indoors or outdoors? So many unanswered questions! All we get is that it was one "organic chicken" that created a lead issue with broth. Another curious thing is that the broth with skin and cartilage contained more lead than the broth made with just bones. Bones are where lead is stored, so why wouldn't the broth made with bones only contain more lead? It's an odd result. Moreover, the abstract of the study specifically called out "bone broth diets" like GAPS and paleo. They even go so far as to write, "In view of the dangers of lead consumption to the human body, we recommend that doctors and nutritionists take the risk of lead contamination into consideration when advising patients about bone broth diets." That's quite curious. Why are they worried about these diets? Are the researchers anti healing through food? Who funded the research? Is it political? My opinion? This study is not comprehensive. It does not speak to all bone broths. But it does cover a potential issue if the water or animals are overloaded with heavy metals. What I glean from this study is that we need more research. We don't need fear to spread and people to stop drinking broth from this one study. Regardless of whether the fear was fabricated or legit, we tested our bone broth anyway. After all, it's always nice to validate that your food choices are as clean as you think. For Miller's, here were my concerns before testing: What if there's mercury in the fishmeal in our chicken feed?What if the soil that our animals live on is contaminated?What is the well water that the broth is made with is contaminated?What if the Celtic sea salt has lots of heavy metals? We got the test results back. I was super excited. But, I was also confused. At face value, it appeared that our bone broth tested NEGATIVE for arsenic, cadmium, lead, and mercury. You can find the test results right here! You'll notice that, for every sample, the results are "<0.01 mg/kg" and "<0.02 mg/kg".  I asked the lab what the "<" means. They said that it indicates their limit of quantitation (LOQ), the lowest concentration that can be accurately tested using the test procedure in that sample type. So the results simply report that none of the metals tested were found in the sample above the specific reporting LOQs. Whether or not they were present below this LOQ is information that is not provided by the test. When talking to the lab, I told them what we needed and assumed that this test would go below a 1 ppb. So, when the results came in, I assumed that a "mg/kg" was the same as a part per billion (ppb). Ummm... that math wasn't write! A "mg/kg" is actually a part per million (ppm). That means that the test we ran had results saying that the broth had less than 0.02 ppm (or 20 ppb) of arsenic and lead. And, it had less than 0.01 ppm (or 10 ppb) of cadmium and mercury. For some reference, the EPA says that less than 15 ppb of lead is safe in drinking water. Not saying that I agree, but it's a good reference point.  These results are good. It means the broth definitely isn't overloaded with toxic heavy metals. But, it's not good enough!!! We need to test again! We really need to a lower LOQ. We need to know the results with an accuracy of as low as 1 ppb. It looks like the lab we sent the original samples to doesn't have an LOQ that low. So here I am on the hunt for a lab to do it again. As soon as I can, I'll send samples in again and paying for more expensive testing to get the info you deserve. Stay tuned! I hope to have the new results in by the end of April 2025. Do you worry about toxic metals (or other junk) in your food? Where have your fears stemmed from? I'd love to hear from you. You can comment below (no account required) or contact us 😊 ----- Sources The risk of lead contamination in bone broth dietsBone Broth and Lead Toxicity: Should You Be Concerned?Bone Broth and Lead Contamination: A Very Flawed Study in Medical HypothesesBone Broth, Collagen, and Toxic Metals: A Research Review