Fish collagen

Fish collagen – what is it?

Fish collagen, also known as marine collagen, is a protein extracted from the skins of fish such as tuna, salmon, shark and cod. It is characterised by its high solubility, excellent absorption and content of key amino acids. Its unique properties provide comprehensive support for the body’s health, performing a range of beneficial functions.

Fish collagen is widely used not only in the field of supplementation, but also in the photographic, leather and biotechnology industries, and even in the manufacture of surgical threads or prostheses. However, it is as an ingredient in dietary supplements that it has gained particular recognition. We will learn more about its properties and effects on the human body later in this article.

Fish collagen – properties and characteristics

Fish collagen is a unique protein source that is gaining recognition for its remarkable efficacy and similarity to human collagen. Its amino acid structure is distinguished by its rarer chemical bonds, which translates into higher solubility compared to other collagen sources. Because of this characteristic, it is considered to be the most bioavailable among collagens of animal origin.

The impressive structure of fish collagen is linked to the presence of two key amino acids: proline and glycine. Proline, with its important role in the synthesis of natural collagen, makes the skin smoother, more elastic and slows down the ageing process. On the other hand, glycine, thanks to its anti-inflammatory properties, supports the condition of joints, bones, ligaments and tendons, effectively counteracting tissue degeneration. Fish collagen not only benefits the skin, but also strengthens blood vessels, improves muscle tone, protects internal organs and provides a flexible scaffolding to support their structural integrity.

Due to its effectiveness, easy assimilability and versatile action, fish collagen is an excellent substitute for human collagen, which is a key protein supporting the structural and regenerative functions of the body.

How does fish collagen work?

Fish collagen is an extremely valuable supplement that shows comprehensive benefits for the human body. Its effects are multifaceted and cover various aspects of health.

1. Skin regeneration

Rich in amino acids such as proline and glycine, fish collagen plays a key role in skin regeneration processes, helping to maintain healthy skin. Fish collagen has a strong restorative effect, by accelerating the wound healing process and soothing scars[1].

2. Improving the condition of the skin

Fish collagen is an important building block of the skin, improving firmness, elasticity and hydration, as proven by a 2023 study on 1,700 patients[2]. It also has been shown to reduce the appearance of wrinkles and minimise the effects of skin ageing[3].

3. Support for joint and bone structure

Fish collagen is vital for the health of joints, bones, ligaments and tendons. Its regular supplementation supports the maintenance of the structural integrity of the osteoarticular system. A 2018 study proved its properties in minimising bone pain and preventing joint degeneration[4].

4. Effects on the condition of hair and nails

Fish collagen has a beneficial effect on the condition of hair and nails[5]. Nails become stronger, more resistant to splitting and breaking, and hair gains a healthy shine and density. After regular supplementation with fish collagen, the results of a 2017 study showed reduced nail breakage by up to 42% and increased nail growth by 12%.

5. Support for the skeletal system:

Fish collagen is naturally found in bones, making it an important ingredient for supporting bone health. It is responsible for maintaining the normal structural integrity of bones, having a positive effect on their hardness and elasticity.

6. Effects on vitality and immunity

Collagen contributes to the overall vitality of the body by strengthening blood vessels, improving muscle tone and providing protection for internal organs. It is like an elastic support that provides excellent stabilisation.

7. Acceleration of regenerative processes

Collagen protein has a strong restorative effect, accelerating the healing of wounds and burns and reducing scars[6]. Supplementation supports the regenerative processes of the skin, helping to maintain its healthy state

What are the advantages and disadvantages of fish collagen?

At this stage of the article, we can undeniably state that fish collagen has a multitude of advantages, both in its properties and in the effects of its use. However, when choosing the right source of the supplement, it is worth considering both its advantages and disadvantages.

Advantages of fish collagen:

• High bioavailability – fish collagen has excellent bioavailability, being quickly and effectively absorbed by the body.
• Rich in amino acids – contains essential amino acids such as proline and glycine, which are key components for the health of skin, joints, bones and other tissues.
• Skin effects – fish collagen improves skin firmness, elasticity and hydration, helping to reduce the appearance of wrinkles and other signs of ageing.
• Joint support – helps maintain joint health by supporting joint synovial production, reducing inflammation and preventing degradation.
• Beneficial effects on hair and nails – fish collagen improves the condition of hair and nails, making them stronger, shinier and resistant to damage.
• Antioxidant effects – the bioactive peptides in fish collagen have antioxidant properties, helping to protect against oxidative stress.
• Regeneration support – fish collagen has an effect on accelerating regenerative processes, including healing wounds and burns and soothing resulting scars.
• Good solubility – fish collagen has high solubility, facilitating its consumption in various forms, such as as collagen powder or liquid.
• High bioavailability – fish collagen, due to the rarer chemical bonds between the fibres, has a high bioavailability, distinguishing it from other collagen sources, such as bovine collagen.
• Efficacy – due to its similarity to collagen in the human body, fish collagen is highly effective in improving the condition of skin, hair, nails, joints and bones.

Disadvantages of fish collagen:

• Potential allergic reactions – people who are allergic to marine ingredients, such as fish, may experience allergic reactions after consuming fish collagen.
• Possible specific taste and odour – some fish collagen supplements may have a specific taste or odour, which may be a problem for some people.
• Not suitable for vegans and vegetarians – fish collagen is not a suitable choice for those following a vegan or vegetarian diet.

Research related to fish collagen

Scientific research on fish collagen is showing promising results, confirming its effectiveness in various areas of health. Clinical studies focusing on fish collagen supplementation point to its positive effects on the condition of skin, joints, bones and other elements of the body.

One study conducted in 2023 found that ‘Oral supplementation with fish collagen is effective against skin ageing, mainly in increasing skin hydration and elasticity and reducing skin wrinkles.’ Each of the results relating individually to hydration, elasticity and wrinkle reduction showed a positive effect of fish collagen in the supplement group, compared to the placebo group[7].

In the same year, the effect of fish collagen on hair health, preventing breakage and hair loss, was demonstrated. The study involved 83 participants, aged approximately 41 years, struggling with excessive hair loss. The participants were divided into two groups – one received traditional medication and the other combined drug treatment with supplementation with hydrolysed fish collagen, taurine, cysteine, methionine, iron and selenium. After six weeks of the study, the supplement group reported more favourable results, and after 12 weeks the difference was even more marked. In this group, as many as 50% of participants achieved satisfactory improvement in hair condition, compared to 23% in the group using only traditional drug treatment[10].

In 2017, meanwhile, the effect of fish collagen hydrolysate on nail condition was investigated. A group of women aged 26-50 years took 2.5g of the peptide for six months. The results were surprising – nail growth rate increased by 12%, the frequency of nail breakage decreased by up to 42%, and 80% of the women in the study admitted that the use of collagen improved the condition of their nails and they were satisfied with the results[8].

A study conducted at Penn State University in University Park provides evidence to support the positive effects of collagen hydrolysate on joint pain, especially in physically active people, including athletes. The study, which involved 147 participants randomly assigned to two groups – those supplementing with hydrolysed collagen and a placebo group – observed changes in six key parameters related to joint complaints. Of particular interest, the subgroup of participants with knee joint pain experienced even more noticeable benefits from taking hydrolysed collagen compared to the placebo group. The results confirmed that collagen supplementation effectively contributes to joint pain relief[9].

Fish collagen – for whom?

Fish collagen is an excellent supplement for a wide range of people. Athletes and physically active people, can benefit from regular supplementation, due to the intensity of training and exposure to joint injury. Properties that support joint, bone and muscle health make fish collagen particularly suitable for those undertaking physical exertion beyond the norm. In addition, fish collagen is a valuable ingredient for those experiencing the ageing process, as it helps to maintain skin firmness and elasticity. The properties of fish collagen mean that supplementation with this ingredient can also be an effective form of prevention to counteract the natural decline in collagen production, which disappears completely by the age of 60. It is also recommended that younger people, as young as 20 to 25 years of age, consider including fish collagen in their daily supplementation to protect themselves against the loss of this vital component. The strengthening properties of hair and nails mean that fish collagen supplementation will be an effective support for those struggling with hair breakage and splitting.

Is it worth using fish collagen?

By analysing the properties of fish collagen and its comprehensive benefits for the body, it is clear that supplementation with this ingredient is effective and worthwhile. Due to its specific chemical structure, fish collagen is characterised by exceptional bioavailability and bioavailability. Its rarer chemical bonds mean that fish collagen has a much higher solubility compared to other collagen sources. The action of this supplement includes not only support for the condition of the skin, hair and nails, but also a beneficial effect on the osteoarticular system, muscles and overall regeneration of the body. What is more, its beneficial effects are proven by numerous studies conducted over the last few decades.

Forms of fish collagen supplementation

There are many forms of fish collagen supplements available on the market, among which we can distinguish between collagen powder, collagen to drink and collagen tablets. Due to the most effective action and speed of absorption, it is worth considering the first two options – fish collagen powder and fish collagen for drinking.

Collagen powder

Collagen powder, with its ability to be added to a variety of drinks and foods, often becomes the choice of those who like to supplement collagen in a way that is tailored to their preferences. An important feature of fish collagen powder is the high dosage of the active substance and the hydrolysis process, which allows collagen to be broken down into smaller collagen peptides. This, in turn, promotes rapid and effective absorption by the body.

Drinking collagen

Like powdered collagen, fish collagen for drinking is perfectly digestible and well tolerated by the body – it passes quickly through the digestive system, reaching various tissues just as quickly. An additional advantage of liquid collagen is that it is available in a variety of flavours, enabling effective supplementation in a convenient and tasty form.

What additives in fish collagen are worth looking out for?

When choosing a collagen supplement, it is worth considering not only the form of collagen itself, but also the additional ingredients that support and enhance its beneficial effects. A 2015 study published by the Journal of Medical Nutrition and Nutraceuticals highlights the role of several key ingredients for skin, hair and nail health[11]:

• Biotin – also known as vitamin H, has an important function in maintaining healthy hair and skin.
• Zinc – plays a key role in the skin’s healing process and supports collagen production, positively influencing skin elasticity and firmness.
• Hyaluronic acid – being a natural component of the skin, contributes to maintaining skin hydration and elasticity.
• Vitamins A, E and C – acting as powerful antioxidants, provide additional protection against free radical damage, promoting healthy looking skin.

By choosing a collagen supplement enriched with these ingredients, the benefits for skin, hair and nails can be maximised, creating comprehensive support for healthy tissue appearance and function. It is therefore worth paying attention to the full composition of the product.

Which collagen is better: fish or beef?

Fish collagen stands out for its higher bioavailability due to its low molecular weight and efficient hydrolysis process, making it a better choice than bovine collagen, especially for improving skin health.

Deciding between fish collagen and bovine collagen is a complex process, requiring the consideration of many factors such as bioavailability, performance, manufacturing process or price, which for some people can be an important aspect when choosing a supplement. For an in-depth breakdown of both collagen sources with a breakdown of each of the factors mentioned, take a peek at our article ‘Fish or beef collagen?’.

Summary: Fish collagen

An in-depth analysis of fish collagen is behind us, which we hope – will provide you with a knowledge pill about this protein source. From the article, you have learned what fish collagen actually is, its properties and, just as importantly, its effects on the human body. You already know that it has a lot of advantages supporting its supplementation, as well as a few disadvantages, which, although much fewer in number, may be an important factor in choosing the right supplement. Is it worth using fish collagen? Definitely yes! Especially as it is available in various forms to suit individual preferences. When choosing a supplement, keep in mind the ingredients that enhance its action, which will guarantee your body comprehensive support. In summary, fish collagen, also known as marine collagen, is an effective supplement that, with regular use, brings numerous benefits to the entire body – from strong hair and nails, to hydrated and elastic skin, to healthy bones and joints.