Collagen is the main structural protein in the human body. It is the major component of connective tissues that make up tendons, ligaments, skin and muscles. One of the main functions of collagen is providing the skin with structure and strengthening the bones.
Research suggests that consuming collagen may have a variety of health benefits, from relieving joint pain to improving skin health. According to Healthline*, the benefits of collagen are:
“Improved Skin Health
Collagen plays a role in strengthening skin, plus may benefit elasticity and hydration. With age, human body produces less collagen, leading to dry skin and the formation of wrinkles. Several studies have shown that collagen peptides or supplements containing collagen may help slow the ageing of your skin by reducing wrinkles and dryness.
Relieved Joint Pain
As the amount of collagen in human’s body decreases with age, the 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.
Prevention from Bone Loss
Just as the collagen in human’s body deteriorates with age, so does bone mass. This may lead to conditions like osteoporosis, which is characterised 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.
Increased Muscle Mass
Between 1-10% of muscle tissue is composed of collagen. Studies suggest that collagen supplements help boost muscle mass in people with sarcopenia, the loss of muscle mass that happens with age. Researchers have suggested that taking collagen may promote the synthesis of muscle proteins like creatine, as well as stimulate muscle growth after exercise.
Better Heart Health
Researchers have theorised that taking collagen supplements may help reduce the risk of heart-related conditions. Collagen provides structure to human’s arteries, which are the blood vessels that carry blood from the heart to the rest of the body. Without enough collagen, arteries may become weak and fragile. This may lead to atherosclerosis, a disease characterised by the narrowing of the arteries. Atherosclerosis has the potential to lead to heart attack and stroke.
Stronger Nails and Hair
Research suggests that taking collagen may increase the strength of hair and nails. And it may stimulate the growth of hair and nails.”
Healthline. Collagen. Available at:
Molecular Cell Biology. Available at:
PubMed.gov. The role of collagen in bone strength. Available at:
Wikipedia. Collagen. Available at:
* Healthline content has been edited for brevity. For the full description, including sources, please visit: Top 6 Benefits of Taking Collagen Supplements on Healthline.com.
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