Dietician
Karolina Dobrowolska-Zrałka
Choosing the right collagen supplement can be crucial for achieving the intended effects - do you care primarily about improving skin firmness, joint support, or maybe in versatile regeneration of connective tissues? The most popular sources of hydrolyzed collagen are fish, beef and poultry, differing in origin, amino acid profile and how to act. In the guide below, we will analyze all important aspects: where every type comes from, what its composition and bioavailability look like, what is the effect on the skin and joints, what research and doctors say, and what are the price differences and availability on the market. Thanks to this, you will find out which collagen best suits your needs and budget.
Where does a given type of collagen come from?
Rybi collagen It is mainly obtained from scales, leather and cartilage of sea fish - most often cod, salmon or halibut. The enzymatic hydrolysis process allows you to get very small peptides (1-3 kDa), which promotes better bioavailability.
Beef collagen It comes from the leather and bone of cattle, often marked as "bovine" or "bovine collagen". It has a slightly larger mass of peptides (3-5 KDA), but also provides a full set of amino acids characteristic of type I and III collagen.
Poultry collagen (usually from a bridge and chicken cartilage) is rich in type II collagen, crucial for articular cartilage. After hydrolysis, peptides with medium mass (2-4 kDa) are formed, which combine the advantages of fish and beef, emphasizing the health of the joints.
Amino acid composition
Each type of collagen provides glycine, proline and hydroxyproline - basic amino acids that build a triple helisa. However, their proportions differ:
- Fish: Higher ratio of hydroxyproline relative to prolina, which promotes fiber stability and faster skin regeneration.
- Beef: More balanced glycine profile: prolina: hydroxyproline, optimal for comprehensive support for connective tissues.
- Poultry: Relatively richer in lysine and specific cartilage peptide (type II collagen), beneficial to the health of joints and depreciation.
Bioavailability
The bioavailability of collagen depends primarily on the molecular weight of peptides:
- Fish: Peptides 1-3 KDA are quickly absorbed in the small intestine, reaching the top of the blood concentration after just 1-2 hours.
- Beef: Peptides 3-5 KDA require a little more time, but ensure longer release and maintenance of the effect.
- Poultry: Peptides 2-4 KDA combine quick absorption with dedicated cartilage support, as physically active people appreciate.
Fish formulas often occur in the form of a soluble powder with a neutral taste, which makes it easier to use on an empty stomach. Beef collagen can be more "meaty" and poultry - slightly noticeable in cocktails.
Acting on the skin
Rybi collagen is most often recommended in preparations for firmness and hydration of the skin - numerous studies show that fish peptides stimulate fibroblasts for type I collagen production, which translates into reduction of wrinkles and improving elasticity.
Beef collagen works comprehensively-it supports the epidermal barrier, promotes faster wound healing and can be used both in anti-aging treatments and in convalescence after dermatological procedures.
Poultry collagen, although less commonly used for beauty, helps improve the skin structure around the joints (minimizing sagging with changed biomechanics) and can support the production of proteoglycans responsible for skin filling.
Acting on the ponds
Here, poultry collagen reigns - type II peptides show chondroprotic properties, reducing pain in degeneration and with sports overloads.
Beef collagen (type I) also supports joints, especially ligaments and tendons, by increasing the flexibility of fibers and lowering inflammation markers in the joint liquid.
Fish collagen, although less often recommended as a joint preparation, helps reduce inflammation and improve cushioning thanks to anti-inflammatory peptides and omega-3 fatty acids present in the raw material.
Scientific research
- Proksch et al. (2014): 2.5 g of fish collagen + vit. C - 20 % increase in skin hydration.
- Clark et al. (2008): 10 g of beef collagen - reduction of joint pain by 15 % after 24 weeks.
- Triepic Study (2018): 10 g of poultry collagen - reduction of Achilles pain by 30 % and faster return to activity.
Meta-Analis 12 studies confirms that all three types of collagen peptides have a regenerative effect, but the differences in the size of molecules and amino acid profile translate into specific benefits.
Doctors' opinions
Dermatologists Most often they recommend fish collagen in anti-aging treatments, due to its high bioavailability and the specificity of skin cells.
Rheumatologists and orthopedists They recommend type II poultry collagen in therapy supporting the treatment of osteoarthritis and in rehabilitation after ligament injuries.
Sports dietitians They often combine beef collagen with whey protein and BCAA amino acids to comprehensively support muscle and connective tissue regeneration.
Price and availability
- Rybi collagen: PLN 12-15 for a portion of 10 g; Available in pharmacies and online stores, often in citrus flavors.
- Beef collagen: PLN 8-12 for a portion of 10 g; Easily available, also in the form of capsules.
- Poultry collagen: PLN 10-14 for a portion of 10 g; Sometimes offered in articular formulas with additives (vitamin C, MSM).
Beef collagen is usually the cheapest, and the most expensive fish - due to the more complex processing and MSC certificates. Poultry collagen is in the middle and is often sold in combined formulas.
Which one to choose?
The choice depends on your goal:
- Beauty improvement and anti-aging prevention: Fish collagen due to small peptides and quick action.
- Support for joints and cartilage: Type II poultry collagen with the addition of vitamin C.
- Comprehensive regeneration of connective tissues: Beef collagen combined with whey protein or multi-collagen (I + II + III).
Sources
- Proksch E, Segger D, Degwert J et al. Oral Intake of Specific Bioactive Collagen Peptides Redces Skin Wrinkles and Increases Dermal Matrix Synthesis. Skin Pharmacol Physiol. 2014.
- Clark KL et al. 24-week study on collagen hydrolysate as a dietary supplement in athletes. Curr Med Res opinion. 2008.
- Triepic Study Group. Efists of Collagen on Tendon Health: Med SCI Sports Exerc. 2018.
- EFSA PANEL ON NUTRITION, DIETETIC PRODUCS AND ALLERGIES. Scientific Opinion on Collagen Hydrolysate. EFSA Journal. 2017.
- Shoulders MD, Raines rt. Collagen Structure and Stability. Ann Rev Biochem. 2009.
FAQ
Does fish collagen always work faster than beef?
Due to the smaller molecular weight (1-3 KDA), fish peptides reach high blood faster and can stimulate fibroblasts faster. However, long -term effects also depend on the regularity and quality of the preparation.
Is poultry collagen the best for joints?
Yes - poultry collagen contains mainly type II, crucial for articular cartilage health. Supports the depreciation of loads and can alleviate pain in degeneration.
What form of collagen should you start with supplementation at the beginning?
For the general support of connective tissues, it is worth starting with beef collagen (10 g per day), which is universal and the most economical. Later, adapt the type to specific needs.
Can fish collagen allergies?
People who are allergic to fish proteins should avoid fish collagen. In this case, beef or poultry collagen is better, and in the event of strong allergies - food supplements.
How to combine collagen with a diet?
Supplement 10 g of collagen daily on an empty stomach or before bedtime, and enrich the diet with products rich in vitamin C (pepper, wild rose), zinc (pumpkin seeds) and copper (hazelnuts) to support the post -translational collagen modification.
How much time does it take to see the first effects?
The first changes in moisturizing and elasticity of the skin can be noticeable after 4-6 weeks, while the improvement in the joints and tendon regeneration usually requires 8-12 weeks of regular supplementation.
Can different types of collagen be combined?
Yes-multi-collagen containing types I, II and III can provide comprehensive support: type I for skin and ligaments, type II for cartilage, type III for vascular elasticity. Such a mixture is especially recommended for people with comprehensive regenerative needs.
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