Bone broth, a liquid derived from simmering animal bones and connective tissue, has been a dietary staple since prehistoric times. Today, it's gaining popularity for its potential health benefits, especially in weight management, and is integrated into various diets such as the paleo diet and intermittent fasting. This article explores the science, benefits, and practical ways to incorporate bone broth into your diet.
What is Bone Broth?
Bone broth is made by simmering animal bones and connective tissue in water, often with a small amount of vinegar, for extended periods. This process extracts valuable nutrients, including amino acids like glycine, collagen, and minerals such as calcium and magnesium. The nutrient content can vary based on the bones used and the cooking time. Technically, you can make a bone broth out of anything with bones and skin. But most are made using leftovers from the butcher's block.
Broth vs. Stock
The primary difference between broth and stock lies in their main ingredients. Stocks are typically made using bones, while broths are made from meat and skin. Bone broth combines both, utilizing bones, meat, and sometimes skin or other tissue. Both may include aromatic vegetables, and broths are usually seasoned.
Types of Bone Broth
Bone broth can be made from various animals, each offering a unique nutrient profile and flavor:
- Chicken Bone Broth: Chicken bone broth has a higher amino acid content than beef bone broth, though it is less nutrient-dense than turkey bone broth. It is also lower in fat than most other types of bone broth and has a relatively mild flavor that blends well into a variety of dishes.
- Beef Bone Broth: While not as rich in amino acids as chicken bone broth, beef bone broth packs slightly more fat. This makes it a perfect base for rich stews and soups, such as French onion. Price-wise, it is about comparable to chicken bone broth, though it may be slightly more expensive if you make it at home with store-bought bones.
- Pork Bone Broth: Pork bone broth forms the basis for many popular east Asian dishes, including tonkotsu ramen and bak kut teh. This broth is sometimes made with pigs' feet in addition to bones and skin to give it an extra-gelatinous texture.
- Other Bone Broths: You can create bone broth from virtually any animal's bones and connective tissue. Some examples include turkey, veal, lamb, bison, buffalo, deer, and fish. You can also use a mix of bones from different animals.
Nutritional Profile of Bone Broth
Every batch of bone broth is unique, so it's impossible to calculate the exact nutrient content. However, because beef stock is among the more common broths around the world, it's a decent reference point. One cup of beef bone broth contains approximately:
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- Calories: 39
- Protein: 9 grams
- Fat: 1 gram
- Carbohydrates: 0 grams
- Fiber: 0 grams
- Sugar: 0 grams
Bone broth also contains small amounts of calcium, iron, and potassium. Bones themselves are rich in vitamins and nutrients, including calcium, magnesium, and phosphorous. Marrow provides minerals like calcium and phosphorus and very small amounts of vitamins A, B, K, and E. Tissues and bones also contain collagen. Cooking collagen turns it to gelatin, which provides the body with amino acids, which are the building blocks of proteins. Bone broth may provide trace amounts of iron, vitamins A and K, fatty acids, selenium, zinc, and manganese. Adding other ingredients, such as vegetables, to the broth may also add additional nutrients.
Health Benefits of Bone Broth
Bone broth contains readily available nutrients and minerals that may help keep the body working at its best. Many people follow different diets and fads in an attempt to live a better lifestyle, but one tried-and-true remedy has lasted the test of time: bone broth. Bone broth, which has its roots in traditional culinary techniques, has become more well-known recently due to its many health advantages, which include the possibility of helping with weight loss. Bone broth combines the richness of a stock with the drinkability of a broth. It can make a healthy addition to your diet and contains nutrients such as collagen, electrolytes, and various amino acids. Consuming bone broth can help reduce inflammation and build muscle when combined with daily exercise.
Weight Loss
Bone broth can be a part of a healthy weight loss regime. It is loaded with protein-about 10 grams per serving-that can help you feel full for longer. This extra protein can also assist in building lean muscle mass, which in turn enables your body to burn more calories throughout the day. Bone broth is typically low in calories, but it can still satisfy hunger. There is some evidence that people who consume soups are less likely to develop obesity. This suggests that soups may play a role in managing weight. Experts recommended that most people take in at least 0.8 grams of protein a day per kilogram of body weight. To maximize lean muscle gain, be sure to incorporate exercise into your daily routine as well. Replacing one meal a day with a cup of beef bone broth on a temporary weight loss program can help you feel full for longer. The gelatin in bone broth has been scientifically proven to maximise satiety.
Improved Digestion and Gut Health
Bone broth contains an amino acid called glutamine, which helps maintain gut barrier structure and function. While glutamine supplementation has shown promising results, there is limited research to suggest that these same benefits are seen with glutamine-rich bone broth. Gelatin contains an amino acid called glutamic acid. This converts to glutamine in the body and helps maintain the function of the intestinal wall. It may help prevent and heal a condition known as “leaky gut,” a symptom of several chronic gastrointestinal diseases. A leaky gut is when damage occurs between the barrier between your gut and the bloodstream, allowing substances to leak from your gut into your bloodstream. This can lead to inflammation and other problems. As a 2017 study in the journal Nutrients says, people with inflammatory bowel disease tend to have lower levels of some amino acids in their bodies. For these people, getting additional amino acids into their diets may help with some symptoms of the condition.
Reduced Inflammation and Joint Health
Bone broth is rich in certain nutrients, such as collagen, and amino acids like glycine and proline, which may help reduce inflammation and support joint health. One study found that collagen supplementation improved joint pain and function in individuals with arthritis, suggesting that bone broth may have similar benefits. Consuming bone broth may be a good way to add gelatin to the diet, which may help protect these joints. The compounds present in bone broth help maintain the joints, and they may also help people who already have osteoarthritis. A 2016 study in the Nutrition Journal looked at the effects of type 2 collagen in people who had osteoarthritis symptoms in their knees. The collagen came from the connective tissue of chickens. Its results show that collagen can improve knee joint symptoms, such as pain, stiffness, and poorer physical function, in people with osteoarthritis.
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Improved Sleep and Brain Function
The amino acid glycine, found in bone broth, may help you relax. Some research has suggested that glycine may help promote sleep.Glycine found in bone broth is known for having calming effects, which may help you sleep better.
Other Potential Benefits
Consuming bone broth regularly can be an inexpensive way to support your joints. Glucosamine is the compound sold in pricey supplements to reduce inflammation, arthritis and joint pain. Try this natural remedy before spending money on expensive joint-care, weight loss or sleep supplements.
How to Make Bone Broth
Making bone broth is very simple. All you really need is a large pot, water, vinegar, and bones. To get you started, here’s an easy recipe you can follow:
Ingredients
- 1 gallon (4 liters) of water
- 2 tbsp (30 mL) apple cider vinegar
- 2-4 pounds (about 1-2 kg) of animal bones
- Salt and pepper, to taste
Directions
- Place all ingredients in a large pot or slow cooker.
- Bring to a boil.
- Reduce to a simmer and cook for 12-24 hours. The longer it cooks, the better it will taste and the more nutritious it will be.
- Allow the broth to cool. Strain it into a large container and discard the solids.
To add nutritional value, use a variety of bones: marrow bones, oxtail, knuckles, and feet. Adding vinegar is important because it helps pull all of the valuable nutrients out of the bones and into the water, which is ultimately what you will be consuming. You can also add vegetables, herbs, or spices to your broth to enhance the flavor. Common additions include garlic, onion, celery, carrot, parsley, and thyme. Add these before you boil the broth. You can also prepare bone broth in a pressure cooker or slow cooker.
Beef Bone Broth Recipe
Here is a beef bone broth recipe:
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Ingredients
- 3 carrots
- 2 celery stalks
- 2 onions
- 3 cloves garlic crushed
- 2 lbs beef bones with marrow organic
- 2-3 sprigs fresh parsley
- 2 bay leaves
- 2-3 sprigs fresh thyme
- 1/8 cup apple cider vinegar
- 1/2 teaspoon sea salt
- 1/2 teaspoon whole peppercorns
- 10 cups water
Instructions
- Roughly chop the carrots and celery.
- Quarter and peel the onions.
- Crush the garlic with a broad-blade knife.
- Add all the ingredients into a slow cooker, turn the heat to high until it starts boiling. then reduce to medium heat and simmer for 24-48 hours. The longer you let it simmer the more nutrients will leach from the bone into the broth.
- Strain the solids from the liquid and enjoy.
- You can consume it directly or let it cool and skim the fat off the surface. The fat can later be used for frying or roast potatoes. Refrigerate the bone broth and consumed within 7 days or freeze for up to 3 month.
How to Incorporate Bone Broth into Your Diet
Bone broth is easy to make and a flavorful part of many complex, delicious recipes. It's also a great way to use otherwise inedible animal bones and tissues.
- Use your bone broth as a base for soups, sauces, and gravy or drink it on its own.
- Add flavor to pasta by boiling it in bone broth instead of water.
- Add to casseroles for more flavor and moistness.
- Use as a flavorful base for nutritious vegetable soup.
- Sip hot bone broth to soothe a sore throat.
- Drink bone broth between meals as a low-calorie snack.
Ways to Eat It
If you don’t enjoy drinking bone broth, you can use it as the base for soups, stews, sauces, and gravies.
Simple Tomato Sauce Recipe Using Bone Broth
Ingredients:
- 2 cups (473 mL) bone broth
- 2 cans organic tomato paste
- 2 tbsp (30 mL) extra virgin olive oil
- 1/2 tsp (2.5 mL) oregano, chopped
- 1/2 tsp (2.5 mL) basil, chopped
- 2 cloves garlic, minced
- Salt and pepper, to taste
Directions:
- Place all ingredients in a medium saucepan.
- Heat over medium-high heat for 4-6 minutes, stirring occasionally.
- Reduce to low heat and cover, allowing the sauce to simmer for 5 more minutes.
- Serve over pasta or meatloaf, or include it in a variety of recipes.
Potential Risks and Considerations
While bone broth is generally considered safe to consume, there are some potential risks to be aware of. Some studies show elevated levels of lead in bone broths, which can be harmful to health if consumed in large amounts. Improper preparation and storage of bone broth can lead to bacterial growth, increasing the risk of foodborne illness. Bone broth may contain allergens such as dairy or shellfish, so it is important to check the ingredients before consuming. Bone broth contains amino acids and minerals that can interact with certain medications, such as blood thinners.
It is important to follow proper food safety guidelines when preparing and storing bone broth to minimize the risk of these potential issues. You should also consult a doctor before consuming bone broth, especially if you have any underlying health conditions or take medications. If the bones of an animal are not healthy, it could affect the quality of bone broth.