Top 6 Benefits of Taking Collagen Supplements
It is the major component of connective tissues that make up several body parts, including tendons, ligaments, skin, and muscles.
Collagen has many important functions, including providing your skin with structure and strengthening your bones.
In recent years, collagen supplements have become popular. Most are hydrolyzed, which means the collagen has been broken down, making it easier for you to absorb.
There are also several foods you can eat to increase your collagen intake, including pork skin and bone broth.
Consuming collagen may have a variety of health benefits, from relieving joint pain to improving skin health.
This article will discuss 6 science-backed health benefits of taking collagen.
1. Can Improve Skin Health
Collagen is a major component of your skin.
However, several studies have shown that collagen peptides or supplements containing collagen may help slow the aging of your skin by reducing wrinkles and dryness.
In one study, women who took a supplement containing 2.5–5 grams of collagen for 8 weeks experienced less skin dryness and a significant increase in skin elasticity compared with those who did not take the supplement.
Another study found that women who drank a beverage mixed with a collagen supplement daily for 12 weeks experienced increased skin hydration and a significant reduction in wrinkle depth compared with a control group.
The wrinkle-reducing effects of collagen supplements have been attributed to their ability to stimulate your body to produce collagen on its own.
There are also many anecdotal claims that collagen supplements help prevent acne and other skin conditions, but these are not supported by scientific evidence.
You can buy collagen supplements online.
Taking supplements that contain collagen may help slow the aging of your skin. However, stronger evidence is needed from studies examining the effects of collagen on its own.
2. Helps Relieve Joint Pain
Collagen helps maintain the integrity of your cartilage, which is the rubber-like tissue that protects your joints.
As the amount of collagen in your body decreases as you get older, your risk of developing degenerative joint disorders such as osteoarthritis increases.
Some studies have shown that taking collagen supplements may help improve symptoms of osteoarthritis and reduce joint pain overall.
In another study, adults took 2 grams of collagen daily for 70 days. Those who took collagen had a significant reduction in joint pain and were better able to engage in physical activity than those who did not take it.
Researchers have theorized that supplemental collagen may accumulate in cartilage and stimulate your tissues to make collagen.
They have suggested this may lead to lower inflammation, better support of your joints, and reduced pain.
If you want to try taking a collagen supplement for its potential pain-relieving effects, studies suggest you should start with a daily dosage of 8–12 grams.
Taking collagen supplements has been shown to reduce inflammation and stimulate collagen synthesis in the body. This may help promote pain relief among people with joint disorders like osteoarthritis.
3. Could Prevent Bone Loss
Your bones are made mostly of collagen, which gives them structure and helps keep them strong.
Just as the collagen in your body deteriorates as you age, so does bone mass. This may lead to conditions like osteoporosis, which is characterized by low bone density and linked to a higher risk of bone fractures.
Studies have shown that taking collagen supplements may have certain effects in the body that help inhibit the bone breakdown that leads to osteoporosis.
In one study, women took either a calcium supplement combined with 5 grams of collagen or a calcium supplement and no collagen daily for 12 months.
By the end of the study, the women taking the calcium and collagen supplement had significantly lower blood levels of proteins that promote bone breakdown than those taking only the calcium.
Another study found similar results in 66 women who took 5 grams of collagen daily for 12 months.
The women who took the collagen showed an increase of up to 7% in their bone mineral density (BMD), compared with women who did not consume collagen.
BMD is a measure of the density of minerals, such as calcium, in your bones. Low BMD is associated with weak bones and the development of osteoporosis.
These results are promising, but more human studies are needed before the role of collagen supplements in bone health can be confirmed.
Consuming collagen supplements may help reduce the risk of bone disorders like osteoporosis. They have the potential to help increase BMD and lower levels of proteins in the blood that stimulate bone breakdown.
4. Could Boost Muscle Mass
Between 1–10% of muscle tissue is composed of collagen. This protein is necessary to keep your muscles strong and functioning properly.
Studies suggest that collagen supplements help boost muscle mass in people with sarcopenia, the loss of muscle mass that happens with age.
In one study, 27 frail men took 15 grams of collagen while participating in an exercise program daily for 12 weeks. Compared with men who exercised but did not take collagen, they gained significantly more muscle mass and strength.
Researchers have suggested that taking collagen may promote the synthesis of muscle proteins like creatine, as well as stimulate muscle growth after exercise.
More research is necessary to investigate collagen's potential to boost muscle mass.
Research has shown that consuming collagen supplements increased muscle growth and strength in people with age-related muscle mass loss.
5. Promotes Heart Health
Researchers have theorized that taking collagen supplements may help reduce the risk of heart-related conditions.
Collagen provides structure to your arteries, which are the blood vessels that carry blood from your heart to the rest of your body. Without enough collagen, arteries may become weak and fragile.
This may lead to atherosclerosis, a disease characterized by the narrowing of the arteries. Atherosclerosis has the potential to lead to heart attack and stroke.
In one study, 31 healthy adults took 16 grams of collagen daily for 6 months. By the end, they had experienced a significant reduction in measures of artery stiffness, compared with before they started taking the supplement.
Additionally, they increased their levels of HDL "good" cholesterol by an average of 6%. HDL is an important factor in the risk of heart conditions, including atherosclerosis.
Nevertheless, more studies on the role of collagen supplements in heart health are needed.
Taking collagen supplements may help reduce the risk factors associated with heart conditions such as atherosclerosis.
6. Other Health Benefits
Collagen supplements may have other health benefits, but these have not been studied extensively.
- Hair and nails. Taking collagen may increase the strength of your nails by preventing brittleness. Additionally, it may stimulate your hair and nails to grow longer.
- Gut health. Although there is no scientific evidence to support this claim, some health practitioners promote the use of collagen supplements to treat intestinal permeability, or leaky gut syndrome.
- Brain health. No studies have examined the role of collagen supplements in brain health. However, some people claim they improve mood and reduce symptoms of anxiety.
- Weight loss. Some believe that taking collagen supplements may promote weight loss and a faster metabolism. There have not been any studies to support these claims.
Although these potential effects are promising, more research is needed before formal conclusions can be made.
Collagen supplements have been claimed to promote brain, heart, and gut health, as well as help control weight and keep hair and nails healthy. However, there's scant evidence to support these effects.
Foods That Contain Collagen
Collagen is found in the connective tissues of animals. Thus, foods like chicken skin, pork skin, beef, and fish are sources of collagen.
Foods that contain gelatin, such as bone broth, also provide collagen. Gelatin is a protein substance derived from collagen after it has been cooked.
More research is needed to determine whether eating collagen-rich foods helps increase collagen in your body. There have not been any human studies on whether collagen-rich foods have the same benefits as supplements.
Digestive enzymes break down the collagen in food into individual amino acids and peptides.
However, the collagen in supplements has already been broken down, or hydrolyzed, which is why it's thought to be absorbed more efficiently than the collagen in foods.
Several foods contain collagen, including animal foods and bone broth. However, its absorption is not as efficient as that of hydrolyzed collagen.
Collagen Side Effects
Currently, there are not many known risks associated with taking collagen supplements.
However, some supplements are made from common food allergens, such as fish, shellfish, and eggs. People with allergies to these foods should avoid collagen supplements made with these ingredients to prevent allergic reactions.
Some people have also reported that collagen supplements leave a lingering bad taste in their mouth.
Additionally, collagen supplements have the potential to cause digestive side effects, such as feelings of fullness and heartburn.
Regardless, these supplements appear to be safe for most people.
Collagen supplements may lead to side effects, such as a bad taste in the mouth, heartburn, and fullness. If you have allergies, make sure to purchase supplements that aren't made from collagen sources you're allergic to.
The Bottom Line
Taking collagen is associated with a number of health benefits and very few known risks.
To start, supplements may improve skin health by reducing wrinkles and dryness. They may also help increase muscle mass, prevent bone loss, and relieve joint pain.
People have reported many other benefits of collagen supplements, but these claims haven't been studied much.
Although several foods contain collagen, it's unknown whether the collagen in food offers the same benefits as supplements.
Collagen supplements are generally safe, quite easy to use, and definitely worth trying for their potential benefits.
By Hui Hu
Winter is supposed to be the best season for wind power – the winds are stronger, and since air density increases as the temperature drops, more force is pushing on the blades. But winter also comes with a problem: freezing weather.
Comparing rime ice and glaze ice shows how each changes the texture of the blade. Gao, Liu and Hu, 2021, CC BY-ND
Ice buildup changes air flow around the turbine blade, which can slow it down. The top photos show ice forming after 10 minutes at different temperatures in the Wind Research Tunnel. The lower measurements show airflow separation as ice accumulates. Icing Research Tunnel of Iowa State University, CC BY-ND
EcoWatch Daily Newsletter
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theDOCK aims to innovate the Israeli maritime sector. Pexels<p>The UN hopes that new investments in ocean science and technology will help turn the tide for the oceans. As such, this year kicked off the <a href="https://www.oceandecade.org/" target="_blank" rel="noopener noreferrer">United Nations Decade of Ocean Science for Sustainable Development (2021-2030)</a> to galvanize massive support for the blue economy.</p><p>According to the World Bank, the blue economy is the "sustainable use of ocean resources for economic growth, improved livelihoods, and jobs while preserving the health of ocean ecosystem," <a href="https://www.sciencedirect.com/science/article/pii/S0160412019338255#b0245" target="_blank" rel="noopener noreferrer">Science Direct</a> reported. It represents this new sector for investments and innovations that work in tandem with the oceans rather than in exploitation of them.</p><p>As recently as Aug. 2020, <a href="https://www.reutersevents.com/sustainability/esg-investors-slow-make-waves-25tn-ocean-economy" target="_blank" rel="noopener noreferrer">Reuters</a> noted that ESG Investors, those looking to invest in opportunities that have a positive impact in environmental, social and governance (ESG) issues, have been interested in "blue finance" but slow to invest.</p><p>"It is a hugely under-invested economic opportunity that is crucial to the way we have to address living on one planet," Simon Dent, director of blue investments at Mirova Natural Capital, told Reuters.</p><p>Even with slow investment, the blue economy is still expected to expand at twice the rate of the mainstream economy by 2030, Reuters reported. It already contributes $2.5tn a year in economic output, the report noted.</p><p>Current, upward <a href="https://www.ecowatch.com/-innovation-blue-economy-2646147405.html" target="_self">shifts in blue economy investments are being driven by innovation</a>, a trend the UN hopes will continue globally for the benefit of all oceans and people.</p><p>In Israel, this push has successfully translated into investment in and innovation of global ports, shipping, logistics and offshore sectors. The "Startup Nation," as Israel is often called, has seen its maritime tech ecosystem grow "significantly" in recent years and expects that growth to "accelerate dramatically," <a href="https://itrade.gov.il/belgium-english/how-israel-is-becoming-a-port-of-call-for-maritime-innovation/" target="_blank" rel="noopener noreferrer">iTrade</a> reported.</p><p>Driving this wave of momentum has been rising Israeli venture capital hub <a href="https://www.thedockinnovation.com/" target="_blank" rel="noopener noreferrer">theDOCK</a>. Founded by Israeli Navy veterans in 2017, theDOCK works with early-stage companies in the maritime space to bring their solutions to market. The hub's pioneering efforts ignited Israel's maritime technology sector, and now, with their new fund, theDOCK is motivating these high-tech solutions to also address ESG criteria.</p><p>"While ESG has always been on theDOCK's agenda, this theme has become even more of a priority," Nir Gartzman, theDOCK's managing partner, told EcoWatch. "80 percent of the startups in our portfolio (for theDOCK's Navigator II fund) will have a primary or secondary contribution to environmental, social and governance (ESG) criteria."</p><p>In a company presentation, theDOCK called contribution to the ESG agenda a "hot discussion topic" for traditional players in the space and their boards, many of whom are looking to adopt new technologies with a positive impact on the planet. The focus is on reducing carbon emissions and protecting the environment, the presentation outlines. As such, theDOCK also explicitly screens candidate investments by ESG criteria as well.</p><p>Within the maritime space, environmental innovations could include measures like increased fuel and energy efficiency, better monitoring of potential pollution sources, improved waste and air emissions management and processing of marine debris/trash into reusable materials, theDOCK's presentation noted.</p>
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