📅 25. 8. 2026
Autophagy is one of the fundamental mechanisms through which the cell continuously maintains its internal environment in order. The name comes from the Greek words autos (self) and phagein (to eat) and can be loosely translated as "self-digestion." In this...
📅 3. 9. 2024
Carbohydrates provide the body with quickly usable energy (1 gram of carbohydrates contains 17.63 kJ = approx. 4 kcal). Depending on their composition, the speed at which energy is released from them in the body varies (fastest from so-called sugars)....
📅 3. 9. 2024
Fiber is factually a part of the carbohydrate group. There are two basic types of fiber (found in plants): Soluble: It is composed of components of plant cells that swell in water (= it is hygroscopic). In the large intestine,...
📅 3. 9. 2024
Fats, along with proteins and carbohydrates, are the fundamental building blocks of our body. They perform a number of essential functions: they are solvents for vitamins A, D, E, K, they are essential for the formation of sex and adrenal...
📅 3. 9. 2024
Vitamins are substances that we must obtain through food because the human body is unable to produce them by itself (higher animals lost the ability to synthesize these substances during their development when mutations in the course of evolution made...
📅 3. 9. 2024
Minerals are present in the body in only small quantities — they make up approximately 4 percent of body weight. These inorganic substances are essential for a variety of life processes, being, for example, an integral part of the structure...
📅 3. 9. 2024
Phytonutrients, often referred to as phytochemicals, are compounds found in various plants. In terms of categorization, they are a specific group because they do not include vitamins, minerals, fatty acids, starch, or fiber. This group includes a vast number of...
📅 3. 9. 2024
The foods we eat have, among other things, the ability to trigger what is known as the glycemic response in the body. This means that after food consumption, the pancreas reacts by producing a certain amount of the hormone insulin,...
📅 3. 9. 2024
The functioning of bodily cells, tissues, organs, or entire systems is always influenced by the quality of the acid-base balance of the internal environment. Once such a balance is disrupted (in absolute values or at the level of tendencies that...
📅 3. 9. 2024
The Recommended Daily Allowance (RDA, in English GDA – Guideline Daily Amounts, RDI – Reference Daily Intake, formerly RDA – Recommended Dietary Allowance) refers to the amount of a certain nutrient (vitamin, mineral, or other substances) that we are legislatively recommended to obtain from food to meet...
📅 3. 9. 2024
Metabolic Flexibility Anyone who embarks on changing their dietary system and wishes the organism's behavior to move in the desired direction while maintaining good health must respect one absolutely essential characteristic of human metabolism – metabolic flexibility. Even though this...
📅 3. 9. 2024
Proteins are one of the macronutrients and in the body they primarily serve structural and functional roles. They are composed of amino acids, and adequate intake is essential for the repair and functioning of muscles, skin, connective tissues, and internal organs. What matters is not only the total amount of protein in the diet, but also its quality and the mix of sources.
📅 3. 9. 2024
Antioxidants are substances found in the diet (mostly in plants) whose role is to eliminate (neutralize, quench) so-called free radicals (unstable and reactive compounds with unpaired electrons, which seek another electron to form a stable molecule—the most common representatives being...
📅 3. 9. 2024
Omega-3 fatty acids are essential polyunsaturated fats that the human body cannot produce in sufficient quantities on its own and relies on dietary intake. From a physiological perspective, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) have crucial significance. These substances...
📅 15. 5. 2022
Proteins are a component whose quantity is usually monitored first when assessing the quality of a diet. In practice, it turns out that despite the crucial role they play in metabolism, most of the population manages them poorly in their...