Collagen peptides: what are they and what are they for?
Collagen peptides are supplements that improve the appearance of the skin. Beyond that, they bring other health benefits. How are they obtained? What does science say about it?
Collagen peptides are supplements made from the bones, skin, and cartilage of some animals. Their main function is to improve the endogenous synthesis of this protein.
Thanks to their nutritional and physiological properties, they acquire greater importance every day, as they play a key role in the care of skin, hair, bones, and nails. But how are they obtained? What are the effects of collagen peptides?
Synthesis of collagen in organisms
To better understand the effects of these supplements on the body, we must first understand what role collagen plays in living organisms. This substance is the main protein of connective tissue, therefore of the skin, joints, and bones.
It is one of the most abundant molecules in animals and this thanks to its role in physiological structures. It is synthesized through ingested amino acids; the body absorbs them and forms three polypeptides that bind together to form this molecule.
Despite their abundance, collagen fibers become damaged over time, which is why they lose texture and strength. This accelerates the aging process.
Collagen plays an essential role in the skin, joints and bones.
How are collagen peptides obtained?
Thanks to the consumption of collagen peptides, the body improves the synthesis of this protein. Although the raw material used is the same collagen, the peptides are obtained from the hydrolysis of the substance contained in the skin, cartilage, and skeleton of fish, sheep, pigs, and cattle.
They contain from 2 to 100 amino acids and are characterized by excellent solubility in cold water, which does not form gels even if in the form of highly concentrated solutions.
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Benefits of collagen peptides
- A study published in the journal Nutrients claims that collagen peptides are effective agents in skin hydration and as anti-wrinkle agents.
- On the other hand, it is recommended to take them orally, as this mode of intake helps prevent diseases such as osteoarthritis and osteoporosis.
How do collagen peptides work on the skin?
Due to its role in skin aging, collagen has gained the attention of the cosmetic industry. In this regard, it has been observed that short-chain peptides are bioavailable and bioactive; therefore they can bring various benefits.
In addition to this, if administered orally they can penetrate into the deepest layer of the skin and stimulate the endogenous production of the components of the extracellular matrix. Their benefits are due to this.
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What do the studies say about it?
A study published in the Nature research Journal identifies in the similarity between the collagen peptides of cattle and humans the significant improvements on the skin that are obtained thanks to supplements.
This is because the hydrolysis of bovine collagen produces peptides characterized by a sequence of amino acids that correspond to the amino acid profile of human collagen.
In addition to this, a scientific study published in the Journal of Medicinal Food indicates that this similarity also applies to porcine collagen peptides. According to this research, the latter appears to improve collagen synthesis in humans, so they can be successfully applied to improve and repair skin throughout the body.
Bovine and porcine collagen peptides appear to improve collagen synthesis for human organisms.
How to enhance its effects?
Although collagen peptides have various benefits, many supplements also contain other substances such as vitamins, minerals, and antioxidants, especially vitamin C and magnesium. Thanks to these substances, better effects are obtained in terms of skin hydration and elasticity.
Also read: 4 important vitamins for skin health
What to remember about collagen peptides?
Collagen peptides are mainly used for cosmetic purposes, as they significantly improve the appearance of the skin. Furthermore, in combination with other substances, their effects are enhanced.
It should also be said that hydrolyzed collagen can be used, with an anti-inflammatory function; this is why it is useful for bones and joints.
Ultimately, it's important to remember that collagen is not only found in the skin, but also in bones, hair, and other tissues. We must, therefore, make sure that we assimilate it correctly.
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