Joint pain can be annoying not only during virtually all sports activities but even typical daily activities.Have you ever experienced knee pain when climbing stairs or squatting?In today’s article, we will introduce effective collagen supplements, which could prevent joint pain or even alleviate it.However, choosing the right collagen for your joints may not be easy.There are several types, each suitable for something different.So, what type of collagen is most suitable for the joints and what criteria you should focus on when choosing it?
What is collagen?
Collagen can be simply described as a protein that is most abundant in mammals.It is a key structural component of connective tissues in bones, liver, kidneys, heart, teeth and skin.Individual types of collagen are evenly distributed in the body.If there is a significant increase in one type over another, tissue stiffness could occur or, conversely, there could be a significant increase in elasticity.
What types of collagen exist?
In total, there are several types of collagen, each of which is predominantly present in a different tissue.The table shows some of them: 
|Type of collagen||The tissue in which it occurs|
|I. type||skin, bones, tendons, dentin, ligaments|
|II. type||cartilage, vitreous humor (fluid that fills the eye)|
|III. type||skin, muscles, blood vessels|
|IV. type||all basement membranes|
|V. type||similar to the first type, plus cultured cell and fetal tissue|
|VI. type||most interstitial tissues|
|IX. type||cartilage, vitreous humor|
The first four types of collagen are mainly found in human body.Type I collagen makes up 90% of the total collagen in the body and excels in its strength.In the tendons, it connects muscles with bones, so it must be able to withstand great force.The second type is the main collagen in the cartilage, which helps absorb shocks.The third type supports the structure of muscles, organs and arteries, and the fourth type is located in the skin, where it helps with filtration.
How to detect a lack of collagen in the body?
Collagen deficiency manifests itself in many ways.It is often related to age, but it is not a necessary condition.Its deficiency effects skin, hair and nails.Due to the physical abilities of the body, the tendons and ligaments may stiffen, not have such flexibility, and the muscles will gradually shrink and become weaker.However, you may also experience joint pain and other signs of osteoarthritis (a degenerative joint disease).However, digestive problems are also not an exception.
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What foods are rich in collagen?
There are many ways to increase collagen intake.For starters, it is good to eat enough foods that contain higher amounts of collagen, such as beef or chicken broth, chicken, fish, shellfish and egg whites.However, you should also focus on protein intake in general, so that your body does not suffer from a lack of amino acids.By eating foods rich in collagen, you ensure the intake of specific amino acids the intake of which you can also increase with a dietary supplement.
In addition to the sources of collagen, it is vital to focus on foods that increase its production in the body.The formation of collagen is preceded by the so-calledprocollagen, which the body makes from a combination of two amino acids – specifically glycine and proline.Vitamin C is also used in the process, which can be obtained, for example, from citrus fruits, strawberries or peppers.The body will also benefit from the intake of glycine itself, which can be found, for example, in pork or chicken skin or a dietary supplement.It is also appropriate to increase the intake of proline, which is found in egg whites, wheat sprouts, dairy products or mushrooms. 
At the same time, it is necessary to think about aspects of our lifestyle that can reduce collagen production and we can influence them to some extent.Excessive sugar intake can be problematic for the body, as it impairs the ability to repair collagen.You may be surprised that excessive tanning has a negative effect on its production.This is because a high amount of ultraviolet radiation reduces the production of collagen, just as in the case of smoking.[7–9]
If you focus on eating foods that contain higher amounts of collagen and support its production, enough protein, and also avoid factors that reduce its levels, you can soon experience positive benefits in addition to relief from joint pain, such as improved skin health,reduction of hair loss, easier building of muscle mass, strengthening of immunity, improvement of bone and heart health. 
What type of collagen is best for joints?
As we said at the beginning, there are many types of collagen.If you accidentally buy a collagen that you see in the store and you are attracted by the low price and appealing label, it does not mean that it will help you with your problems.If you suffer from joint pain (e.g. knee or shoulder), it is best to supplement the second type of collagen, which is found in cartilage.
In general, when choosing collagen, it is necessary to focus on its source.Collagen supplements are made from animal connective tissue, such as bones, skin, hooves or fish scales.In order to produce quality collagen, it is important to find out whether the animals come from organic farming, i.e. whether they grazed on pastures, respectively whether they were wild fish.
As well as the source, the form of collagen is equally important.Food supplements can be found in many forms, such as a powder,shot,collagen drink,capsule, or collagen gummies.The fact that often such supplement contain not only pure collagen, but also vitamins and minerals, is another bonus. Collagen supplements usually often contain the already mentioned vitamin Corzinc, which boost their functionality.
If you decide to supplement the type II collagen, you can usually choose from two options, which also differ in their recommended amount: 
- hydrolyzed collagen, which is usually taken at a dose of 10 g per day
- undenatured collagen, which is taken at a dose of approximately 40 mg per day
Hydrolyzed collagen is a great choice because it excels in its good absorption.During hydrolysis, the collagen fibres are broken into so-calledcollagen peptides, which are smaller chains of amino acids.This breaking process ensures that collagen becomes better absorbed by the body because it contains smaller parts.This increases its usability for the body.
What are the results of collagen supplementation according to scientific studies?
In order to give you a better idea of the functioning of collagen and its effect on the joints, we will also discuss some research focused on it in more detail.
The first clinical study examined people with osteoarthritis of the knee, which is one of the most common diseases of this joint.Participants were divided into two groups, one receiving 10 mg of type 2 bioactive undenatured collagen for ninety days, while the second group received a combination of glucosamine (1500 mg) and chondroitin (1200 mg), which is often used for knee pain and osteoarthritis.How did it turn out?After 90 days of treatment, there was observed a significant pain relief in people receiving type 2 collagen. This also significantly improved their quality of life.Based on a predetermined index, there was a 20% improvement in people taking collagen, while there was only a 6% improvement in the group taking the combination of glucosamine and chondroitin.
The second study analyzed the effect of collagen in the treatment of osteoarthritis of the knee in combination with paracetamol (a painkiller).In this case, the participants were again divided into two groups.The first received 1,500 mg of paracetamol each day.For the second group, the researchers administered the same amount of paracetamol, plus 10 mg of the native collagen type II.The experiment lasted ninety days, after which the symptoms and biochemical markers of cartilage degradation were measured again. Compared to the group without collagen, there was observed a significant improvement in pain while walking in the group with additional collagen administration.However, the differences in biochemical markers between the groupswere not significant.
Collagen can be also useful for young athletes
You may think that joint pain only affects the elderly and you, young athletes, are at no risk.However, the opposite is true.Functional knee problems can occur at any age.Therefore, another study focused on knee pain in 160 young athletes (18-30 years).They were divided into two groups receiving 5 g of bioactive collagen peptides or placebo every day for 12 weeks.At the end, statistically significant differences in pain were found in the collagen group.
In young athletes, and in fact not only in them, collagen supplementation could also help with other health problems, which are usually not very serious, but can make working out off-limits.Yes, we’re talking about ankle sprains.Anyone who has experienced it knows that even after a few months, you may feel that your ankle may feel unstable.However, according to research, collagen supplementation can help people who have problems with instability of the ankle, which in some cases may be related to ankle sprain.Collagen could to some extent help you strengthen your tendons and prevent further sprains. 
These three studies are certainly not the only ones to show statistically significant results in collagen supplementation.If you have problems with ligaments, tendons or joints, it is definitely important to focus on taking this substance.For maximum joint support, you can also add complex joint nutrition to quality collagen, which includes glucosamine sulfate (GS),chondroitin sulfateandMSM (methylsulfonylmethane).
What should you remember?
Joint problems, such as pain when walking, can make life very uncomfortable.You may feel that these issues are more likely to affect older people.However, this is not true.It can also affect young people who do sports and try to live a healthy life.If you want to effectively support the function and health of your bones, joints or tendons, you should not forget to get enough collagen in your body.The results of supplementation have been confirmed by many scientific studies with different types of participants.If you want to increase collagen intake other than through your diet, always read the product label and try to choose the best sources, such as collagen supplements derived from organically farmed animals.
You can also choose hydrolyzed collagen, which is well absorbed by the body.If you are hesitant about choosing collagen supplements, it is up to you whether you choose a soluble powder, pills, collagen drink, shot or collagen gummies.In the latter case, however, make sure that the supplement does not contain unnecessary extra sugar.It is the excessive intake of sugar that can suppress the production of collagen.
Do you have problems with joint pain?If so, share your proven tips on how to alleviate or even eliminate it.
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