Collagen is one of the most important structural proteins in the body and is present in tissues such as the skin, bones, tendons and cartilage. That is why the benefits of collagen and supplements containing it generate so much interest.
However, there are also many exaggerated claims surrounding collagen. Not all products are the same, taking a larger amount does not necessarily mean better results, and a collagen supplement cannot compensate for an unbalanced diet or unhealthy habits.
Before choosing a product, it is useful to understand what collagen is, what types exist, what hydrolysed collagen means, where it comes from and what we should check on the label.
What is collagen?
Collagen is a protein that forms part of the structure of many tissues in our body.
We can think of it as one of the components that helps form the structural framework of tissues such as:
- skin;
- bones;
- cartilage;
- tendons;
- ligaments;
- other connective tissues.
The body produces collagen from amino acids obtained from the proteins in our diet and also needs certain micronutrients to support its normal processes.
For this reason, when we talk about collagen, we should not think only about supplements. Diet and lifestyle remain fundamental.
What are the main types of collagen?
There are many different types of collagen in the body, although some are especially well known because of where they are found.
Type I collagen
This is one of the most abundant types and forms part of tissues such as the skin, bones and tendons.
Many marine collagen supplements are mainly associated with this type of collagen.
Type II collagen
This type is particularly associated with the structure of cartilage.
For this reason, it is often mentioned in products related to joint care, although we should always assess the specific formulation of the product rather than relying only on the collagen type number.
Type III collagen
It is often found alongside type I collagen in different tissues and forms part of structures such as the skin and certain connective tissues.
In practice, when choosing a food supplement, it is usually more useful to understand the source, the processing method and the amount provided than to decide only according to the collagen type number.
What does hydrolysed collagen mean?
When we see the term hydrolysed collagen, it means that the protein has undergone a process that breaks it down into smaller fragments, commonly known as peptides.
The proteins we consume need to be digested and broken down before their components can be used by the body.
For this reason, the word “hydrolysed” should not be interpreted as a promise of specific results, but as a characteristic of how the ingredient has been processed.
When comparing supplements, check how much hydrolysed collagen the daily serving actually provides rather than relying only on terms such as “premium”, “advanced” or “high absorption”.
Marine, bovine and other sources of collagen: what are the differences?
The collagen used in food supplements can come from different animal sources.
Common sources include:
- marine collagen, derived from fish;
- bovine collagen;
- porcine collagen;
- other animal sources used in specific formulations.
The source can matter for several reasons, including personal preference, product composition, allergies and dietary pattern.
For example, anyone with a fish allergy should pay particular attention to marine collagen supplements.
It is also important to remember that collagen is animal-derived. Therefore, supplements containing collagen are not vegan products.
Benefits of collagen: distinguishing biological function from supplementation
When looking for information about the benefits of collagen, it is important to distinguish between two different concepts.
One is the role collagen naturally plays in the body’s tissues. Another is claiming that taking a supplement will automatically produce a particular visible or therapeutic effect.
Research exists on collagen peptides and different parameters related to skin, bones and joints, but results depend on the type of product, dosage, study duration and population analysed.
For this reason, we should avoid statements such as “rejuvenates the skin”, “removes wrinkles” or “regenerates joints” as though they were guaranteed consequences of taking collagen.
Responsible supplementation starts by separating what we know about the physiological role of collagen from overly simplified marketing promises.
Vitamin C and normal collagen formation
Vitamin C deserves special attention when discussing collagen.
Vitamin C contributes to normal collagen formation for the normal function of different structures in the body.
These include:
- skin;
- bones;
- cartilage;
- blood vessels;
- gums;
- teeth.
This helps explain why vitamin C is included in many collagen-related formulations.
However, we should not assume that taking progressively larger amounts will automatically produce more collagen. The aim should be to maintain an adequate intake of the nutrient.
Does the body stop producing collagen with age?
The body continues to produce collagen, but collagen synthesis and tissue structure change over time.
Age is not the only factor. Lifestyle can also influence the quality of the skin and its structures.
Excessive sun exposure and smoking are two particularly relevant factors when discussing skin ageing.
For this reason, no supplement should make us forget basic habits such as appropriate sun protection, avoiding smoking, maintaining a suitable diet, getting enough rest and staying physically active.
Can we obtain collagen from food?
Some animal foods contain collagen or tissues rich in this protein.
However, the body does not use collagen from food as though it were transported directly to the skin or joints.
During digestion, proteins are broken down into peptides and amino acids, which can then be used by the body for many different functions.
This is another reason why an adequate protein intake remains important within a varied diet.
Is a collagen supplement essential?
No.
A collagen supplement is not essential for everyone.
As with any food supplement, we should consider what we are trying to achieve, our diet and whether the product actually fits our routine.
The fact that an ingredient is popular does not mean that everyone needs to supplement it.
If you want to understand better when supplements may be useful and what to check before using them, you can read our guide on food supplementation and how to choose supplements wisely.
How much collagen should a supplement contain?
We should not choose a product simply by looking for the highest number.
The amounts used vary between formulations and also depend on the type of ingredient and the purpose of the product.
What matters is knowing exactly:
- how many milligrams or grams the daily serving provides;
- how many units make up that serving;
- how many servings the pack actually contains;
- which other ingredients are included alongside the collagen.
Comparing the complete daily serving is much more useful than focusing only on the size of the container or the number of capsules, scoops or gummies.
Collagen powder, capsules or gummies: which format should you choose?
Collagen is available in different formats.
Collagen powder
This allows certain amounts to be included in one serving and can be mixed with water or other drinks depending on the product.
Capsules or tablets
These may be convenient for people who prefer a pre-portioned serving, although the number of units required depends on the formulation.
Collagen gummies
A chewable format may be especially convenient for people who prefer to avoid capsules or preparing powders.
However, as with any gummy supplement, we should check the amount provided by the daily serving, the complete ingredient list and the directions for use.
In our guide to the benefits of gummy supplements, we explain in more detail the differences between gummies, capsules, tablets and powders.
What should you check before choosing a collagen supplement?
Rather than choosing a product because of its packaging or a striking claim, it is worth reviewing several points.
1. Source of the collagen
Check whether it is marine, bovine or comes from another source.
2. Amount per daily serving
Do not confuse the amount per unit with the amount provided by the complete daily serving.
3. Form of the ingredient
Check whether it is hydrolysed collagen or another form.
4. Additional ingredients
Some formulas combine collagen with vitamins, minerals or other substances. Review what each product contains and why those ingredients have been included.
5. Allergens
This is particularly important for products of marine origin.
6. Actual number of servings
A container with many units does not necessarily last longer. You need to check how many units make up the daily serving.
An example: marine collagen in gummy format
Green Folhas offers Colágeno OcenMatrix Elite, a gummy formula providing 4,000 mg of hydrolysed marine collagen per daily serving.
The pack contains 60 gummies and is designed for 30 days of use.
The formula combines marine collagen with other ingredients, so, as with any supplement, it is worth reviewing the full composition and the amounts shown on the label before adding it to your routine.
The gummy format may be particularly practical for people looking for a chewable alternative to capsules or powdered preparations.
Do more ingredients mean a better collagen supplement?
Not necessarily.
A formula can contain many ingredients and still not be the right option for our needs.
What matters is understanding the purpose of each component and how much of it is included.
A long ingredient list should not automatically be interpreted as a sign of higher quality.
The key criteria should always be the actual composition, dosage, transparency of the label and whether the product suits our goal.
How long should collagen be taken?
There is no universal duration that applies to all collagen supplements.
We should follow the directions for the specific product and avoid changing the recommended dose in an attempt to achieve faster results.
It is also useful to periodically reassess whether there is still a reason to continue taking any food supplement.
Supplementation should not simply become a permanent accumulation of products.
Collagen and lifestyle: supplements are not everything
If our goal is related to skin care, bone health or general well-being, we need to look beyond a single ingredient.
A varied diet, adequate intake of protein and micronutrients, regular physical activity, sufficient rest and healthy habits remain fundamental.
For the skin in particular, protecting ourselves from excessive sun exposure and avoiding smoking are especially important measures.
A supplement can form part of a routine, but it does not replace these foundations.
Benefits of collagen: making informed choices without miracle claims
Collagen is a fundamental protein in the structure of many tissues in the body, but this does not mean that every collagen supplement automatically produces all the effects commonly attributed to it.
When assessing a product, we should look at its source, the amount provided, the form of collagen used, additional ingredients and the recommended daily serving.
We should also distinguish between the roles collagen naturally performs in the body and the specific effects a supplement may have.
Research into collagen supplementation continues to develop and there are results of interest, but study quality, the formulations used and differences between products remain important considerations.
For this reason, when discussing the benefits of collagen, the best approach is to maintain realistic expectations, focus first on healthy habits and choose any supplement according to its composition rather than exaggerated promises.