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Protein bar is the most convenient way to quickly provide energy, which is of great importance in case of people who train intensively. You should eat it 30 minutes before or 15 minutes after training. It is always close at hand and can be a substitute to a full meal, especially if you don’t have time to prepare such a meal. It will be perfect in longer intervals between meals, during trips, at school and at work. Moreover, it is a healthy alternative to sweets and is gluten-free, which is a big advantage for people on slimming or reducing diet.
The energy value is determined by the chemical composition of the food product, by means of the so-called. physiological equivalents energy., determining the value of metabolic energy contained in 1 g of the component. Most commonly used is the equivalent of Atwater: protein 4 kcal/g for carbohydrates 4kcal/g, and for fat 9kcal/g.
Proteins (proteins, polypeptides) is a polymer, of which the basic units (monomers) are amino acids. Protein is composed of carbon, oxygen, nitrogen, hydrogen and sulfur, and is an elementary nutrient necessary for the proper functioning of the body, an ingredient and a component of tissues, part of the hormones and enzymes and other bioactive substances. Protein determines the proper metabolism and energy processes, as well as all other life processes. The sources of natural proteins are foods of animal origin (including meat, fish, eggs, dairy products) and plant origin (legumes, soy). Deficiency of protein leads to protein malnutrition and a significant weakening of the body. It can lead to anaemia, reduced immunity, muscle relaxation, disorders of the digestive system. Also, overdose protein is undesirable because it can lead to acidification of the body, and interfere with the digestive system and an increase in the concentration of homocysteine in the blood. It is a component of many supplements and nutrients necessary for the proper functioning of the body, both showing a low physical activity, or training the strength and endurance competitions.
Dosage: strength athletes: approx. 1.7 - 2.5 g / 1 kg of body weight; endurance athletes and strength -endurance athletes approx. 1.3 - 2 g / 1 kg of body weight, people with low activity approx. 0.8 - 1.1 g / 1 kg of body weight / 24h. In estimating the amount of protein, you should take into account the intake of other nutrients (carbohydrates and fats)
Carbohydrates are an essential nutrient. They are divided into: simple sugars (monosaccharides), disaccharides and polysaccharides. In terms of the human bioavailability of carbohydrates is divided into: digestabe, those which are digested in the gastrointestinal tract by transferring energy to the tissues or cells (such as starch, fructose) and indigestable, resistant to digestive enzymes (e.g. cellulose) . Affects blood glucose levels (glycemic index) and the metabolism of insulin (insulin index). The greatest demand for carbohydrates occurs before physical activity or in the middle of it, because they increase the exercise capacity, consumed after exercise provide regeneration. In the sports diet the absorption rate it is important of carbohydrates and reactions of the organism. Available in mono-preparation supplements and part of the energetic supplements, creatine stacks, nitrogen boosters.
Dosage: according to the statistics of the Institute of Food and Nutrition, carbohydrates should comprise about 50% of daily energy intake. In some diets, used residual carbohydrate consumption, not exceeding 30g / 24h.
Sugars - is the term used to refer to the crystal structure of the carbohydrate (sugar), characterized by a sweet taste. This group includes: sucrose (obtained from sugar cane and sugar beets and natural foods), fruit sugars (fructose) and glucose. Carbohydrate intake should not exceed 10% of the energy consumed during the day meals. Excess intake of sugars leading to diseases, including diabetes, atherosclerosis and obesity. Particular caution should be performed carbohydrate intake by athletes of sculpting disciplines and people on a diet. A greater need for carbohydrates, due being easily accessible sources of energy, may be in the periods before and after workouts and before and after the fight. Preparations available at www.muscle-zone.pl
The sugars are the major digestible fuel in the body. We divide them into mono saccharides - glucose (dextrose), fructose (fruit sugar); di- (di-saccharides) - lactose, maltose, sucrose; complex sugars - starch. Most of them changes into glucose during the burning process. Sugars are sweet and increase the glycemic index (except fructose). The healthiest source of acquisition of simple sugars is a diet containing the so-called. products of the first milling and fresh fruit and vegetables in the raw form.
Consumed during a strength workout, they delay fatigue, affecting the proper hydration of the body and keeping parts of glycogen. After finished workout,they accelerate the regeneration of the body and complement energy expenditure. The excess sugars result in the accumulation of excess fat and increase of fatty tissue. A responsible use of sugars is recommended for diabetics, both for hyperglycaemia (glucose level above the normal), and hypoglycaemia (blood sugar levels below normal). Excess consumption of simple sugars can cause tooth decay.
Simple sugars are included in many dietary supplements, most commonly used in the carbohydrate and protein and carbohydrate supplements.
Dosage: for competitive sport athletes it is recommended to consume simple sugars only during workout and immediately after workout.
Fat is an essential nutrient plant and animal organisms. Because of the nutritional value and composition of fats are divided into: saturated (mono-saturated and multi-saturated fatty acids) and unsaturated fatty acids (including essential fatty acids - EFA). The group of lipids include lipids (triacylglycerols, waxes), complex fats (glycolipids, phospholipids), sterols and isoprenoids. Saturated fatty acids is a group of fatty acids having different carbon chain lengths, in which except for the carboxyl group, each of the carbon atoms is bound by a single bond. May adversely affect the lipid profile, so they can be used in limited quantities. Fats are a concentrated source of energy, with different flavours, facilitating the consumption and swallowing of food. They have building functions (part of cell membranes and co-create the white matter of the brain). EFAs are precursors of tissue hormones and biologically active compounds. The unsaturated fatty acids include fatty acids from the group Omega-3, Omega-6 and Omega-9 (the last digit indicates, on which, counting of the end of the chain, there is a double bond in the appropriate carbon chain. The essential fatty acids include: acids, medium-Omega-3 [n-3 ] included in EFAs [essential fatty acids], and long chain (eicosapentaenoic acid [EPA] and docosahexaenoic acid [DHA]) Omega-6 and Omega-9. the number indicates that the last double bond in the carbon chain is on the third from the end carbon atom. The acids from the omega 3 group are essential components of cell membranes, they are precursors of eicosanoids and biological activators. They must be combined with ingestion in suitable proportions of Omega-6 acids.
Dosage: Depending on demand and applied diet. It is generally accepted that fats should constitute 20-30% of the energy (calorie) of meals daily.
Sodium is an important component of the intracellular fluids, and is a regulator of acid-base balance. Along with potassium affects the proper of growth and provides the proper functioning of muscles and nerves. The source of acquisition is table salt (NaCl) and bladderwrack, shellfish, bacon, beef, and of plant beets and carrots. People on salt-free diet should avoid, among others, spicy sauces and smoked meats and sausages.
Sodium deficiency is very rare, at heaving sweating after a long effort (e.g. in the marathon).
Excess sodium increases blood pressure (especially for the elderly), edema and increased thirst. Exceeding the daily dose of 14g a day can cause poisoning.
Potassium and sodium regulate the body's water resources, ensuring normal heart rhythm. Maintaining the proper level of potassium provides the proper oxidation of the brain, lowers blood pressure, increases the permeability of cell membranes (as an antagonist of calcium). It is a base-forming element. It is widely used in sports diet before and after training in the form of supplements, nutrients, vitamin-mineral preparations and minerals, concentrates and ready, isotonic and hypertonic beverages. Natural sources of acquisition of potassium are: vegetable products (bananas, citrus fruits, melons, mint leaves, green vegetables, potatoes) and animal products (sea fish, meat). Potassium is present in the form of organic compounds: citric acids, and fumarates gluconates and inorganic (chlorides, sulfates, oxides and carbonates).
Potassium deficiency (hypokalemia): excessive tiredness, headaches and irritability, problems with sleeping, muscle cramps, constipation. Potassium levels may drop sharply in the event of a reduction in blood sugar levels, prolonged starvation, severe diarrhea. They can occur when too much of strong coffee is consumed, with alcohol abuse and when eating too much sweets.
The excess of potassium (hyperkalemia) is often the cause of depression, hypotension, tingling in the extremities.
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