Dietician
Karolina Dobrowolska-Zrałka
In recent years, a new category of products advertised as "plant collagen" or "vegan collagen" has appeared on the market of supplements and cosmetics. These slogans arouse great interest among people looking for alternatives for traditional animal collagen sources. On the one hand, "plant collagen" promises to support skin firmness, joint elasticity and general tissue regeneration, but at the same time raises doubts - can plants even produce collagen protein, which in nature occurs only in animal organisms?
In this article, we will look at the mechanisms of action and the composition of "plant collagen", discuss available forms of vegan supplements and natural alternatives based on plant sources of amino acids and synthesis coincfectors. We will explain what is behind the marketing date, we will present expert opinions and a review of scientific research, and indicate when and for whom such products can make sense. Our goal is to reliably separate facts from myths so that you can consciously decide whether "plant collagen" is actually an option for your diet and care.
What is plant collagen?
Plant collagen is a marketing term, not a name specified in biochemistry. Unlike animal collagen - fibrous protein of connective tissue structures - plants do not synthesize collagen, because they do not have fibroblasts or retranslation enzymes of proline and lysine hydroxylation. Instead, supplements called "plant collagen" usually contain plant protein complexes (peas, soy, rice or hemp seeds) and additives supporting the endogenous collagen synthesis in the human body. In practice, this means the supply of precursor amino acids (glycine, proline, lysine) and cofactors - such as vitamin C, zinc, copper - which enable the production of their own collagen by fibroblasts.
Another group of products are the so -called "Vegan collagens" produced by microbiological fermentation methods or genetic recombination in yeast or bacteria, which, thanks to the introduction of animal genes, can produce peptides with identical sequence to collagen type I. Although this approach allows you to get authentic collagen peptides without animal operation, this is still niche and more expensive technology. Therefore, it is worth paying attention to the label and composition - whether the product is a vegetable complex of protein supporting synthesis, or precisely produced collagen peptides with biotechnological methods.
Plant amino acids
In order for the body to synthesize collagen endogenous, it mainly needs three amino acids: glycine, proline and hydroxyproline (proline derivative). Vegetable proteins differ in an amino acid profile from animal, but many plant raw materials provide adequate proportions of precursors:
- Glycine: Wealth in legumes (peas, soy) and cereal proteins (buckwheat, millet).
- Prolina: Available in soy, quinoa and chia seeds, though in a smaller amount than in an animal collagen.
- Lysine: key to hydroxylicting lysine in post -translational modifications; It is abundant in legumes, nuts and pumpkin seeds.
Comprehensive vegan nutrition combining vegetable protein isolates with products rich in vitamin C (pepper, wild rose), zinc (pumpkin seeds, nuts) and copper (hazelnuts, sesame seeds) is the foundation of a diet supporting collagen synthesis. Although vegetable proteins will not provide hydroxyproline directly, the body can synthesize it from prolina, provided that enzymatic cofactors are preserved.
Vegan supplements
We divide vegan "collagen" supplements into two categories:
- Synthesis precursors and boosters: Plant protein powders (peas, soy, rice, hemp) enriched with vitamin C, zinc, copper and biotin, which support the enzymatic synthesis of collagen in the body.
- Precise fermentation peptides: Hydrolyzed collagen peptides produced by microorganisms equipped with animal collagen genes, which allows you to obtain identical amino acid sequences, but in a completely vegan process.
The first category products are cheaper and available in most supplements stores, but their effectiveness depends on the body's ability to synthesize collagen. On the other hand, fermentation peptides offer direct delivery of ready -made collagen fragments, but they cost several times more and require confirmed clinical trials. When choosing, it is worth paying attention to ECOCERT, VEGAN Society certificates and reports of our laboratories confirming molecular weight and cleanliness of peptides.
Plant collagen boosters
In addition to proteins and peptides, it is worth reaching for supplements containing plant extracts and vitamins that support the synthesis and protection of collagen:
- Vitamin C: the highest concentrations in wild rose, Acerola and Gujawa; Cofactor Hydroxylase prolina and lysine.
- Nettle and alfalfa extract: Rich in silica (silicon), important for the structure of collagen fibers and flexibility of the joints.
- Propolis and green tea extract: Strong antioxidants protect collagen fibers against oxidative degradation.
- Hyaluronic acid from plant fermentation: Increases the hydration of extracellular matrix, making it easier for fibroblasts to work.
These types of multi -component complexes, often sold as "vegan collagen + booster", allow multidimensional support: they provide amino acids, cofactors and antioxidants, which together support endogenous production and stability of collagen fibers.
Research and controversy
It has been scientifically confirmed that a single supplement with pea isolated does not directly increase the concentration of collagen in the blood, but in combination with vitamin C and minerals, an increase in synthesis markers (P1NP) is observed in volunteers (Smith et al. 2020). In turn, the fermentation collagen peptides show effects similar to animal hydrolyzates, but research on a large population is still few. The controversy concerns primarily the issue of terminology-many specialists emphasize that the term "plant collagen" is misleading and should be replaced by the description "vegan support of collagen synthesis" or "Plant-Based Collagen Support".
In addition, discussions are influenced by GMOs and fermentation methods on the environment and consumer fears related to genetic engineering. From the point of view of regulators (EFSA, FDA), fermentation products with approved GMOs are permissible, provided that full transparency of the composition and lack of endotoxins.
Does it work like animal?
Traditional animal collagen provides ready -made tropocolagens and peptides, which fibroblasts can immediately use. Vegan vegetable complexes operate indirectly - they provide precursors and cofactors, and the body must carry out a full synthesis process, including post -translational hydroxylation. The effectiveness depends on the condition of the body, the availability of enzymes and the level of nutrients. On the other hand, fermentation collagen peptides offer identical bioactive sequences as animal collagen, and - if they are properly cleaned - can act almost identically in terms of stimulation of fibroblasts and improving skin or joint elasticity.
Expert opinions
Dietitians and dermatologists point out that The quality of the preparation is the most important and confirmed clinical trials. Dr. Anna Kowalska, a dermatologist, emphasizes: "Plant proteins with the addition of vitamin C can support collagen synthesis, but the effects are more subtle than after animal hydrolysis. For people without ideological obstacles I recommend fermentation peptides, if available."
In turn, sports dietitian Jan Nowak notes: "Athletes looking for vegan solutions can use plant complexes + booster, but should monitor markers of collagen synthesis and, in the absence of effects, consider supplementation with animal or fermentation peptides."
Composition of veg supplements
When choosing a product, it is worth checking:
- Protein source: Is it an isolat of peas, soy, rice, hemp or fermentation collagen peptides?
- Vitamin C content: at least 500 mg per portion.
- Minerals: Zinc, copper, silicon - Hydroxylase enzyme support indicator.
- No fillers: Avoid maltodextrin, starch or artificial aromas.
- Certificates: Vegan, non-gmo, ecocert, heavy metals tests.
The manufacturer's transparency and the availability of laboratory test results testify to the credibility of the preparation and increase the chance of real benefits.
Natural alternatives
Instead of ready supplements, you can enrich each day with:
- Legumes: peas, lentils, soy - a source of lysine and glycine.
- Whole grain cereals: Quinoa, amaranth - full amino acid profile.
- Vegetables rich in vitamin C: Paprika, Brussels sprouts, wild rose.
- Silicon raw materials: Field horsetail, nettle - to support the structure of fibers.
- Antioxidant extracts: Green tea, goji berries - protection against oxidative stress.
The diet composed in this way provides all necessary ingredients for effective, endogenous collagen synthesis, and at the same time supports the body's overall health.
Sources
- Prockop DJ, Kivirikko Ki. Collagens: Molecular Biology, Diseases, and Potentials for Therapy. Ann Rev Biochem. 1995.
- Smith A. et al. Plant-Based Protein and Skin Health: A Randomized Controlled Study. J nutr sci. 2020.
- Johnson P. New Advans in Fermented Collagen Peptides. Biotech nutr. 2021.
- EFSA PANEL ON NUTRITION. Scientific Opinion on Collagen Hydrolysate. EFSA Journal. 2017.
- Lee S.-H. et al. Fermented vegan collagen peptides and skin elasticity: an in vivo trial. Dermatol Sci. 2019.
FAQ
1. Is plant collagen real collagen?
No - plants do not produce collagen. Supplements called "plant collagen" are usually vegetable proteins and cofactors supporting the synthesis of endogenous collagen or precise peptides produced by fermentation methods. It is important to understand that we do not receive ready collagen, but support for our own protein production.
2. What amino acids do the plant complex provide?
Mainly glycine of legumes (peas, soy), proline of quinoa and chia seeds and lysine of pumpkin nut and seeds. In combination with vitamin C and minerals, the body can synthesize tropocolagens for post -translational modification.
3. Do vegan collagen peptides act like animal?
Yes - fermentation peptides produced by yeast or bacteria with introduced genes encoding animal collagen are identical in terms of amino acid sequences and act similarly if they undergo the hydrolysis process to the appropriate molecular mass. This solution suits vegans who want to have direct collagen peptides without animal operation.
4. Are vegan preparations cheaper than animal?
Usually, plant precursors (protein isolates) are cheaper, but their effects are indirect. Fermentation peptides are more expensive than traditional animal hydrolyzates due to the costs of biotechnological production. It is worth comparing the price ratio to the content of peptides and confirmed clinical trials.
5. What certificates should "plant collagen" have?
The key are Vegan Society or The Vegan Trademark, non-gmo, ecocert for plant raw materials and GMP/ISO and laboratory reports confirming the purity and amino acid profile of the product. In the case of fermentation peptides - also approval from the authority responsible for GMOs.
6. Can plant supplements cause allergies?
Yes - people allergic to soy, gluten, nuts or pumpkin seeds can react to precursors of plant proteins. In the case of fermentation peptides, the risk of allergies depends on the clarity of the purification process, but the petal test before the treatment is recommended.
7. Is a vegan diet without supplements enough?
You can provide amino acids and cofactors from rich vegetable sources (pods, nuts, leafy vegetables, wild rose), but the efficiency of endogenous collagen synthesis may be lower than when supplementing with ready peptides. Vegan supplements complement the diet, especially when we care about faster effects in skin care or regeneration of joints.
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