Availability and types of protein
When we talk about protein we usually mean the protein found in many foods. Protein helps our bodies grow, build muscle and heal wounds. There are many sources of protein, and they differ in where they come from, how they are grown or produced and what they are called. Here we explain it as simply as possible.
Origin
Protein comes either from animals or from plants. Animal protein is found in eggs, milk, meat, fish and cheese. Plant protein is contained in beans, lentils, nuts, seeds, cereals (such as oats or rice) and special products like tofu. Sometimes protein is also processed in factories, for example as a powder that can be mixed into shakes.
Protein comes either from animals or from plants. Animal protein is found in eggs, milk, meat, fish and cheese. Plant protein is contained in beans, lentils, nuts, seeds, cereals (such as oats or rice) and special products like tofu. Sometimes protein is also processed in factories, for example as a powder that can be mixed into shakes.
Growing and sourcing regions
- Plants that provide protein grow all over the world. Soy, for example, is widely grown in countries such as Brazil, the United States, China and Argentina. Lentils, peas and beans grow well in cooler regions of Europe, Canada or India.
- Nuts and seeds (for example almonds or sunflower seeds) often come from warmer areas like California, Spain or Turkey.
- Animal protein sources also come from many countries: beef and pork from farms around the world, fish from seas and fish farms. Dairy products are found wherever animals are kept.
- Plants that provide protein grow all over the world. Soy, for example, is widely grown in countries such as Brazil, the United States, China and Argentina. Lentils, peas and beans grow well in cooler regions of Europe, Canada or India.
- Nuts and seeds (for example almonds or sunflower seeds) often come from warmer areas like California, Spain or Turkey.
- Animal protein sources also come from many countries: beef and pork from farms around the world, fish from seas and fish farms. Dairy products are found wherever animals are kept.
Available kinds and variants
You can buy or eat protein in many forms. Here are some well-known types, simply explained:
You can buy or eat protein in many forms. Here are some well-known types, simply explained:
- Whole foods: natural products such as eggs, meat, fish, milk, cheese, beans, lentils or nuts. They contain other important nutrients in addition to protein.
- Plant-based products: tofu (from soy), tempeh and seitan (from wheat) are alternatives that provide a lot of protein. They are particularly important for people who do not eat meat.
- Protein powders: these are proteins in powder form that are mixed with water or milk. There are variants from whey (whey protein, derived from milk), casein (also milk), soy, pea or rice. Powders are practical when you need protein quickly, for example after exercise.
- Processed products: meat substitutes made from plant proteins, protein bars or fortified yogurts. These are often ready to eat, but sometimes they also contain additional ingredients such as sugar or flavorings.
- Quality: some protein sources are considered "complete proteins" because they contain all essential amino acids — for example eggs, milk and meat. Many plant products do not have all building blocks on their own, but can be combined (e.g. rice and beans) to form a complete protein.
Practical example
Think of protein like building blocks: some construction sites (your body) need all kinds of blocks. An egg provides many different blocks at once. A bowl of beans also has many blocks, but it may be missing a few small pieces — you get them by adding rice. Protein powder is like a ready-made set of blocks you can use quickly.
Think of protein like building blocks: some construction sites (your body) need all kinds of blocks. An egg provides many different blocks at once. A bowl of beans also has many blocks, but it may be missing a few small pieces — you get them by adding rice. Protein powder is like a ready-made set of blocks you can use quickly.
In summary: you find protein everywhere — in animals, plants and special products. Some types are fresh and whole, others are processed or available as powder. Each variant has its advantages: fresh and wholesome, plant-friendly or practical and quick. That way you can choose the right protein depending on taste, lifestyle and availability.
