Dietician
Karolina Dobrowolska-Zrałka
Collagen is the basic component of muscles, tendons, ligaments and cartilage, responsible for load strength and the ability to regenerate after exercise. In sport, where the body is exposed to microdamages of connective tissue structures, maintaining the optimal level of collagen becomes crucial not only for the effectiveness of training, but also for the prevention of injury and acceleration of regeneration.
Intensive physical exertion stimulates the synthesis of collagen degrading enzymes (MMP), while increasing the demand for amino acids enabling the reconstruction of collagen fibers. Hydrolyzed collagen peptides supplementation and a diet rich in cofactors - vitamin C, zinc and copper - supports fibroblasts and chondrocytes, improving the structure of the tissue and the range of motion. In the article, we will discuss the importance of collagen in sport, how it protects against injuries and supports regeneration, which types of collagen are most valuable for active, as and when to supplement collagen in the context of training, what studies confirm the effectiveness, how to dose and cycl the supplementation that side effects may occur, what physiotherapists say and how to choose the best product for sports needs.
The importance of collagen in sport
Collagen is an indispensable element of connective tissue muscle and tendon scaffolding, which during exercise is exposed to stretching and compression. In muscles, collagen fibers are surrounded by muscle fibers, carrying the force generated by contraction, while in tendons and ligaments they form parallel bunches, ensuring tensile strength. In strength and explosive sports - spine, jumping, weightlifting - connective tissue ticks must withstand jumping voltage increases, which is associated with microdamages of collagen fibers.
Regular training adapts tissues to strengthening loads: it increases collagen density, improves blood supply and lymphatic drainage. However, excessive training or lack of regeneration leads to the advantage of degradation over synthesis, resulting in a tendency to injury - tendon, tear fibers or ligament overloads. Maintaining a balance between effort and reconstruction is possible thanks to the proper supply of collagen and co -translating modifications, which translates into better tissue strength and the ability to regenerate after training.
Collagen and injuries and regeneration
The microtage of collagen fibers during physical effort initiate a cascade of inflammatory processes, which aims to remove used matrix fragments and start regeneration. Fibroblasts and chondrocytes synthesize new prokolagen in places of damage, which after post -translational hydroxylation and crossbreening returns to the form of mature fibers. The effectiveness of this process depends on the availability of amino acids (glycine, proline, hydroxyproline) and enzymatic cofactors (vitamin C, iron, copper).
Studies indicate that supplementation of hydrolyzed collagen accelerates the healing of micro -injuries - reduces the time to return to full fitness of the joints by 20-30 % and reduces pain associated with delayed muscle soreness (DOMS). Thanks to the supply of ready -made collagen peptides, the body can rebuild the tendon wound faster or strengthen the matrix of articular cartilage, which is particularly important in sports requiring high training frequency and short regenerative breaks.
Collagen types important for athletes
Three types of collagen are key for athletes:
- Type and - the main component of the skin, tendons and ligaments; is responsible for tensile strength,
- Type II - articular cartilage building; It absorbs loads, reduces the friction of the joint surfaces,
- Type III - accompanies typical and in muscles and skin; It promotes the elasticity and fast remodeling of young tissues.
Supplementation before and after training
Optimal collagen support requires strategic acceptance of peptides:
- Before training: 5 g of collagen hydrolyzate + 500 mg of vitamin C 30-60 minutes before effort - it improves tendon strength and prepares fibroblasts for intensive work,
- Immediately after training: Another portion of 5-10 g of collagen dissolved in water or protein-carbohydrate cocktail-provides amino acids for tissue repair and supports collagen synthesis in the recovery phase,
- Collagen before bedtime: 5 g in the evening - helps in night regeneration when the secretion of growth hormone increases.
Research on effectiveness
Numerous studies confirm the benefits of collagen supplementation among athletes:
- Triepic Study (2018): 10 g of collagen hydrolyzate per day for 12 weeks → Reduction of Achilles tendon pain by 40 % and reactive strength by 15 %,
- Schafer et al. (2015): 5 g of collagen + vit. C in cyclists → increasing the level of collagen synthesis markers (P1NP) by 60 %,
- Zdzieblik et al. (2017): 15 g of collagen + resistance training in physically active seniors → increase in muscle strength and knee stability.
Dosage and cycles
For athletes, it is recommended:
- Beginning: ** 5 g of collagen per day for 2 weeks,
- Intensive phase: 10-15 g of collagen per day for the next 6-8 weeks,
- Maintenance: 5 g for 4 weeks,
- Break: 2-4 weeks without supplementation or reduced dose (2-3 g),
- Repetition of the cycle: If the intensity of training is high.
Side effects
Hydrolyzed collagen is well tolerated; Occasionally may occur:
- flatulence and gases - at high doses (> 15 g),
- the feeling of the fullness of the stomach,
- Allergic reactions in people allergic to a collagen source (fish, beef).
Reviews of physiotherapists
Physiotherapists emphasize that collagen is a valuable support in post -traumatic rehabilitation and injury prevention. Pay attention to:
- Combined approach: collagen + deep tissue massages,
- positive effect on musculoskeletal flexibility,
- shortening the Achilles tendon therapy time and quadriceps muscles,
- Improving joint stabilization with increased effort.
How to choose the best product?
When choosing a collagen supplement, athletes should pay attention to:
- Collagen source and type: type I and II hydrolyzate with low molecular weight (<5 kDa),
- Cleanliness of the preparation: no fillers, preservatives and synthetic aromas,
- Quality certificates: GMP, ISO, for sea collagen - MSC,
- Supporting add -ons: vitamin C, hyaluronic acid, zinc, copper,
- Form: Soluble powder in cold and warm drinks, liquid or capsules depending on the convenience of use.
Sources
- Schafer RJ et al. "Collagen peptide supplementation in athletes" -j sports sci. 2015.
- Zdzieblik D et al. "Collagen Peptides and Resistance Training" --br j nutr. 2017.
- Clark KL et al. "Collagen Hydrolysate for Joint Pain in Athletes" - Curr Med Res opin. 2008.
- Triepic Study Group. "Efists of Collagen on Tendon Health" -Med Sci Sports Exerc. 2018.
- EFSA Panel. "Scientific Opinion on Collagen Hydrolysate" -Efsa Journal. 2017.
FAQ
How quickly can collagen improve tendon regeneration?
In sports research, supplementation of 10 g of collagen hydrolyzate per day for 12 weeks reduced the pain and regeneration of Achilles tendons by about 20-30 %, thanks to which the athletes returned to full training faster.
Does collagen increase strength before training?
Yes - the adoption of 5 g of collagen hydrolyzate with vitamin C 30-60 minutes before effort improves tendon strength and load depreciation, which reduces the risk of injuries during intensive training.
How much collagen a day does an athlete need?
The optimal dosage is 10-15 g of hydrolyzed peptides a day in the intensive regeneration phase, and 5-10 g in the support phase, taken in cycles of 8-12 weeks with 2-4 weeks breaks.
Is collagen in capsules as effective as powder?
Powders have the advantage of dosage flexibility and faster solubility, while the capsules are more convenient when traveling. Effectiveness depends on the content of peptides - it is crucial to achieve the recommended dose of hydrolyzate in both forms.
What additional ingredients should be combined with collagen?
For athletes, the Cofactors of the lasting modifications are important: vitamin C (500–1000 mg), zinc (10-15 mg), copper (1-1.5 mg) and hyaluronic acid, which support the stabilization and crossing of newly synthesized collagen fibers.
Can collagen replace whey protein after training?
Collagen does not contain all exogenous amino acids needed to build muscle, so it does not replace whey protein. It is a complement to the protection of connective tissues, and whey protein should remain the basic source of muscle regeneration amino acids.
How long does the collagen supplementation cycle for athletes take?
The standard cycle is 8-12 weeks at a dose of 10-15 g per day, followed by a 2-4 week break. The cycle can be repeated depending on the intensity of training and regenerative needs.
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