Užívání kolagenu v praxi: pohled rehabilitačního lékaře na cyklování a dlouhodobý režim
kolagen kolagen po 35 prevence bolesti regenerace
5 min read

Using collagen in practice: a rehabilitation doctor's perspective on cycling and long-term regimen

A rehabilitation physician's perspective

Collagen is often presented as the primary solution for joints. In reality, however, it is only one of the building blocks of connective tissues.

A joint is not made up of collagen alone. It is a complex functional unit comprising cartilage, joint capsule, synovial fluid, tendons, ligaments, bones and surrounding muscles. In addition to collagen, proteoglycans, glycosaminoglycans, hyaluronic acid, water, minerals and a number of other structures contribute to its properties.

Therefore, it is not most important to supply the body with the largest possible amount of collagen alone. More essential is long-term and comprehensive care for the entire musculoskeletal system.

Collagen is a building material, not a ready-made repair

Collagen taken orally is not absorbed in its original form and does not travel directly to the aching joint. In the digestive system, it is broken down primarily into amino acids and smaller peptides, which the body can then use.

Some specific collagen peptides may also have biological activity, but the results of studies cannot be automatically applied to every collagen product. It depends on its origin, processing, molecular size, dosage and overall composition of the product.

Collagen itself, therefore, represents primarily a part of the available building material. How the body uses it is determined by a much broader set of factors.

Connective tissues are not made of a single substance

Individual parts of the musculoskeletal system have different composition and function:

  • collagen fibres primarily provide strength and tensile resistance,

  • proteoglycans help cartilage resist pressure,

  • hyaluronic acid contributes to the properties of the joint environment and water binding,

  • water is essential for the elasticity and mechanical properties of cartilage,

  • vitamins and minerals are involved in processes related to the formation and maintenance of connective tissues.

For example, vitamin C contributes to normal collagen formation for the normal function of cartilage and bones. Manganese contributes to the normal formation of connective tissues and copper to their normal state.

Comprehensive joint nutrition therefore makes more sense than a one-sided focus on a high dose of a single ingredient.

Why regularity matters

In practice, I often encounter people who take joint nutrition randomly. They take it for a few days, then skip it, and expect a clear result after a short time.

Such a procedure cannot be well compared to clinical studies, in which participants typically take a precisely defined dose regularly for several weeks to months. For collagen peptides, a period of approximately 8 to 24 weeks is often evaluated.

Connective tissues change and regenerate more slowly than, for example, muscle energy reserves. Therefore, joint nutrition cannot be evaluated based on a few days of use.

More important than a short-term high dose is:

  • regularity,

  • sufficiently long period of use,

  • a well-designed formula,

  • adequate movement and mechanical stimulation,

  • sufficient energy, protein and other nutrients,

  • realistic evaluation of benefits.

Is it necessary to take breaks in use?

There is no convincing clinical evidence that the body would become "dulled" with continuous collagen use or that a short break would restart its effect.

Therefore, both approaches are possible:

  • long-term regular use without interruption,

  • use in several-month cycles followed by a short break.

A break can be a practical opportunity to assess whether the user perceives a difference and decide on the further regimen. However, it should not be presented as a biologically essential "reset" of the body.

For people with significant physical or athletic demands, a continuous regimen may be more practical. Another user may prefer, for example, three months of use followed by a short break. The choice depends on overall health, diet, demands and individual needs.

Why Kolagin® is designed as a comprehensive nutritional supplement

In developing Kolagin®, we did not start from the idea that a joint only needs the largest possible amount of collagen. We focused on connective tissues as an interconnected system.

Therefore, the formulations combine, depending on the specific variant:

  • various forms of collagen or specifically selected amino acids,

  • glucosamine and chondroitin,

  • two forms of hyaluronic acid with different molecular sizes,

  • vitamin C,

  • zinc, copper and manganese,

  • other ingredients selected according to the focus of the formula.

Kolagin Premium contains native atelocollagen and hydrolyzed collagen. Kolagin VEGAN is a complex non-animal alternative based on specifically selected amino acids and fermented ingredients.

It is not just about supplying a single protein. The aim is to create a well-thought-out nutrition that respects the fact that cartilage, tendons, ligaments, the joint environment and skin have a complex and different composition.

What is most important in long-term care

No dietary supplement can replace adequate exercise, a quality diet, sufficient protein, regeneration, or properly set treatment.

However, if joint nutrition is used, it should be:

  • comprehensive,

  • used regularly,

  • evaluated only after a sufficiently long period,

  • part of broader care for the musculoskeletal system.

Collagen is not a miracle or a ready-made joint repair. It is one part of the building material. Much more important is to create conditions in which the body can maintain its connective tissues long-term.

MUDr. Radka Jarkovská
Rehabilitation Physician

A dietary supplement is not a substitute for a varied and balanced diet or a healthy lifestyle. In case of long-term or worsening problems, it is advisable to consult a doctor.

Selected professional sources

  • Clark KL et al. 24-Week study on the use of collagen hydrolysate as a dietary supplement in athletes with activity-related joint pain. Current Medical Research and Opinion, 2008.

  • Zdzieblik D et al. The Influence of Specific Bioactive Collagen Peptides on Knee Joint Discomfort in Young Physically Active Adults. Nutrients, 2021.

  • Kim J et al. Oral Supplementation of Low-Molecular-Weight Collagen Peptides Reduces Skin Wrinkles and Improves Biophysical Properties of Skin. Journal of Medicinal Food, 2022.

  • European Register of Nutrition and Health Claims: approved claims for vitamin C, manganese and copper.

Back to BLOG