--- title: What are bioactive proteins? description: Read on for an overview of the features and benefits of bioactive proteins that help the body function properly. image: https://blog.armor-proteines.com/hubfs/Famille%20qui%20cuisine.jpg --- [![Armor Protéines](https://blog.armor-proteines.com/hubfs/Blog/logo-AP%20(1).svg)](https://www.armor-proteines.com/) - [Nutrition](https://blog.armor-proteines.com/en/tag/nutrition) - [R&D](https://blog.armor-proteines.com/en/tag/rd) - [Trends](https://blog.armor-proteines.com/en/tag/trends) - [Food Industry](https://blog.armor-proteines.com/en/tag/food-industry) - [Newsletter](https://blog.armor-proteines.com/en/what-are-bioactive-proteins#newsletter) # What are bioactive proteins? ![](https://blog.armor-proteines.com/hubfs/1%20-%20Fichier%20principal/Photos%20-%20Auteurs/1517619372431.jfif) **Marine Calbrix** ![](https://blog.armor-proteines.com/hubfs/Famille%20qui%20cuisine.jpg) [R&D](https://blog.armor-proteines.com/en/tag/rd) published on August 26, 2021 Share this article [![facebook](https://2660472.fs1.hubspotusercontent-na1.net/hubfs/2660472/Images/Blog/facebook-1.svg)](http://www.facebook.com/sharer.php?u=https://blog.armor-proteines.com/en/what-are-bioactive-proteins) [![linkedin](https://2660472.fs1.hubspotusercontent-na1.net/hubfs/2660472/Images/Blog/linkedin.svg)](https://www.linkedin.com/shareArticle?mini=true&url=https://blog.armor-proteines.com/en/what-are-bioactive-proteins) [![twitter](https://2660472.fs1.hubspotusercontent-na1.net/hubfs/2660472/Images/Blog/twitter-1.svg)](http://twitter.com/share?url=https://blog.armor-proteines.com/en/what-are-bioactive-proteins) [Subscribe to our blog](https://blog.armor-proteines.com/en/what-are-bioactive-proteins#newsletter) Lactoferrin, lactoperoxidase, lactenin, and TGF Beta: these are some of the bioactive proteins derived from milk. Read on for an overview of the features and benefits of these ingredients that help the body function properly. ## **Proteins, macronutrients that are essential to our diet** First of all, what are proteins? These biological molecules composed of amino acids play three major roles in our diet. - **Nutritional role** When proteins are digested, they provide essential nutrients for the body’s development and functions. Some amino acids cannot be synthesized by the body and must therefore be consumed through the diet. - **Texturizing role** This includes ingredients such as emulsifiers, thickeners, etc. Proteins provide texturizing and taste-enhancing properties in foods and formulations. They have particularly useful functional properties and are considered as ingredients in their own right in recipes. In addition to this, they add nutritional value to the finished product, which is beneficial for consumers. - **Bioactive role** Beyond their essential nutrient function, some proteins also play an active role in the proper functioning of our bodies. They contribute to its development, protection, and reduced risk of health problems. ## Bioactive proteins: promoting health at the biological level Bioactive proteins are beneficial to our bodies, both physiologically and metabolically. They can have an antioxidant and antimicrobial effect and aid with healing. [Lactoferrin](https://blog.armor-proteines.com/en/what-is-lactoferrin) and lactoperoxidase in particular play an important role in the immune defense system. They boost the body’s natural protection against pathogens. Bioactive proteins are naturally present in biological fluids including saliva and tears. Many can be found in mammals’ milk, one of the functions of which is to strengthen the immune system of newborns. Armor Protéines uses its 30-year experience in these bioactive proteins to make them available to user industries. The many health benefits of bioactive proteins have led the nutrition, hygiene, beauty, and agri-food industries to use them increasingly. Nowadays, they can be found in the diets of young children, the elderly, and athletes; as well as in cosmetic products, dietary products, and dietary supplements. [![Senior Nutrition](https://no-cache.hubspot.com/cta/default/3378452/85363f11-a23b-4707-9ada-9ee532d31e54.png)](https://cta-redirect.hubspot.com/cta/redirect/3378452/85363f11-a23b-4707-9ada-9ee532d31e54) If you want to know more about our products, reach out our team! [![Contact us!](https://no-cache.hubspot.com/cta/default/3378452/d52466b4-5d38-44f0-8b96-001d23215634.png)](https://cta-redirect.hubspot.com/cta/redirect/3378452/d52466b4-5d38-44f0-8b96-001d23215634) ## You may also be interested in these articles ### [Choose Caseinates: The strategic return of caseinates in high protein formulations](https://blog.armor-proteines.com/en/choose-caseinates-the-strategic-return-of-caseinates-in-high-protein-formulations) Nicolas ERABIT, published on August 3, 2026 Choose Caseinates: The strategic return of caseinates in high protein ... [Read more ![](https://2660472.fs1.hubspotusercontent-na1.net/hubfs/2660472/Fl%C3%A8che.svg)](https://blog.armor-proteines.com/en/choose-caseinates-the-strategic-return-of-caseinates-in-high-protein-formulations) ### [2026: Key emerging trends](https://blog.armor-proteines.com/en/2026-key-emerging-trends) Marine CALBRIX, published on December 23, 2025 [Read more ![](https://2660472.fs1.hubspotusercontent-na1.net/hubfs/2660472/Fl%C3%A8che.svg)](https://blog.armor-proteines.com/en/2026-key-emerging-trends) ### [Women's health: bringing issues out of the shadows](https://blog.armor-proteines.com/en/womens-health-bringing-issues-out-of-the-shadows) Magali Dulauroy, published on June 4, 2025 Did you know? Women perceive themselves to be in poorer health than men ... 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