Proper and healthy nutrition should be balanced, only then the body will receive a sufficient amount of the required minerals and vitamins, including fat soluble. But in order for them to successfully digest at the right speed and in the right amount, it is necessary to know the laws of vitamin bioavailability, according to which the absorption of useful substances takes place.
It is known that, depending on the observance of certain conditions, their absorption by the body ranges from twenty to ninety-eight percent. Following the rules is especially important if there is a shortage of beneficial elements in the human body and it needs to be covered by additional intake of synthetic vitamins or their containing medicines, either when excluding fat from the diet, or when deciding to follow a restrictive diet.
Otherwise, even a large amount of vitamins, which are the most modern, expensive and best, cannot be absorbed, and taking care of the saturation of the body with everything necessary will be an illusion that does not bring real benefits.
The essence of the concept
The main functions of the human body provide thirteen vitamins, which are divided into two categories:
The topic of our article is fat-soluble vitamins, for which the native environment is fats, where the processes of their assimilation and accumulation take place at the expense of internal and external fat inflows. They are organic substances with a complex structure and good solubility in a fatty environment, in the amount of four - A, D, E, K.
This group is characterized by strong antioxidant properties that help protect the body from the harmful effects of free radicals and slow down the aging process. They promote the synthesis of steroid hormones, muscle development, helping athletes during training before and after competitions.
The considered group is defined by five main qualities:
- the ability to dissolve exclusively in fats,
- entry into the composition of all cellular membranes of the body,
- the ability to create fat reserves in the subcutaneous fat and visceral fat, with absorption of excess liver parenchyma,
- the main content in animal products, additional in plant, with the exception of vitamin K, synthesized by colon microorganisms,
- slow removal from the body, and therefore, their deficiency is extremely rare.
Fat-soluble vitamins are characterized by the characteristics of intake and absorption, among which there are pros and cons. For example, they are preserved during the heat treatment of products in the process of cooking, but with each re-processing their content decreases significantly.
Plus is resistance to changes in the acid-base environment, and the disadvantages include the ability to be absorbed by the small intestine only in the presence of fat and to break down and be removed under the influence of certain types of drugs, alcoholic beverages, alkaloids, even at their minimum dosage.
For example, for vitamin A, a small dose of alcohol is destructive, for A and E - nicotine, for group A, D, E - hypnotic drugs. The unconditional advantages include the ability of these “beauty vitamins” to affect the appearance of a person, improving the condition of the skin and hair, and significant disadvantages - the ability to turn into a harmful toxin for the body in large doses, which refers to elements D and A.
Selection and acceptance criteria
Now let us tell you how to choose a vitamin that is necessary for the body from the group of fat-soluble A, D, E and K, and how to take it correctly, while retaining all its usefulness. To absorb them, bile acids are needed, which are produced by the liver and secreted into the duodenum after eating food with fats, and only after that the vitamins end up in the bloodstream and other body tissues.
If there is no urgent need for elements for any body reaction, then they accumulate until the right moment, which is why their daily intake is not needed, but only a few drops of oil per day for absorption. These rules are common to any of the elements of the group. Consider the features of the reception of each separately:
Vitamin A - retinols, exists in two forms: final in the form of retinol and intermediate in the form of carotene - provitamin A. Sources:
- Vegetables are vegetables with fruits of green and yellow color, legumes with herbs,
- animals are fish oil with caviar, liver with dairy products, egg yolk.
It is needed for antioxidant effects, regulation of protein synthesis and metabolic processes, maintaining cell membranes in the desired state, the formation of bones with teeth, support the functions of the visual organs, enhance immunity, restore the epithelium and mucous membrane of the digestive system, the synthesis of steroid hormones, protect the heart and blood vessels. Preparations with A-vitamin activity are available in different dosage forms, these are:
- retinol acetate with retinol palmitate,
- vitamin A concentrate,
- preparations of fish oil with sea buckthorn oil.
Normally absorbed with fats and minerals. Consider its compatibility with other elements. In combination with vitamin D, the effects of both are diminished. Increases the output of vitamin C, and that in turn prevents the accumulation of vitamin A by the liver. Based on these features, pharmacists have produced drugs that take into account all the features - Triovit, Tri-Vi Plus and the like.
Vitamin E - tocopherols, exists in eight species with a specific function of each, but the main variety is alpha tocopherol. A source:
- vegetable oils from the seeds of olive, sunflower, soy.
Functions consist in a powerful antioxidant effect, enhancing the protective properties of the body, protecting vitamin A from oxidation, feeding muscles at the cellular level, having a positive effect on pregnancy and the endocrine system, reducing inflammatory processes. The industry produces the drug:
For reception it is recommended in a complex with vitamin A - carotene and the products rich in fats. It is undesirable for simultaneous use with minerals, iron supplements and medications for convulsions, only separately. The increased dose of tocopherol is taken in parts, at intervals.
Vitamin D - calciferol, belongs to the group of organic substances that are synthesized with the help of ultraviolet in the skin - cholecalciferol and come with food - ergocalciferol. Calciferols enter the body from:
- seafood and caviar,
- egg yolk and wild mushrooms,
- yeast and dairy products.
It is necessary to ensure and control the absorption of phosphorus with calcium, cell reproduction and regulation, stimulation of hormonal synthesis, and participation in metabolic reactions. Preparations:
- ergocalciferol with calcitriol,
- alpha-calcidol with cholecalciferol,
- calcifediol with wigantol D.
Vitamin D-activity is different fish oil. Vitamin D doctors are recommended to take in combination with vegetable fats, so then it is absorbed by ninety percent, and with a deficit of fat with bile, the rate will be at the level of sixty percent. It is necessary to take into account more efficient absorption of synthesized analogues, which do not depend on fat reserves and are considered more successful than natural ones.
Vitamin K - phylloquinones, a group of compounds synthesized by bacteria or coming from outside Sources:
- all green plants, especially leafy vegetables.
It forms and strengthens bones, affects blood clotting and blood vessels. Preparations:
Its absorption reduces large doses of vitamins A and E, drugs that reduce cholesterol such as "Questran," broad-spectrum antibiotics, drugs with salicylates.
Vitamins are very important, but their reception must be correct and reasonable in order to bring tangible benefits to the body.
Features of vitamins of group B
Vitamins of group B are water-soluble substances that are easily destroyed by heat treatment, as well as under the influence of caffeine, alcohol, nicotine and refined sugar.
It is impossible to get an excess of B vitamins by eating foods rich in them, because their surplus is removed from the human body along with physiological secretions. But in the case of indiscriminate medication containing vitamins of this group, the surplus may cause intoxication, expressed in general agitation, the occurrence of headache and insomnia, increased pulse, and sometimes the development of seizures. Therefore, to take medications containing vitamins of group B, you need strictly on doctor's prescription.
The need to take vitamins of group B
The need for preparations of B vitamins is increasing in people suffering from various diseases and using antibiotics for treatment. The fact is that in the process of taking antibiotics, B vitamins are very actively eliminated from the body, which is extremely negative for the course of treatment. Therefore, their intake with food is clearly not enough.
In such diseases of the gastrointestinal tract as gastritis, peptic ulcer and colitis, taking medications containing vitamins of group B is extremely important.
Increased fatigue, chronic fatigue, weakness, memory impairment and decreased performance indicate a deficiency of B vitamins in the body and are the reason for their additional intake. If you do not pay attention to these symptoms in time, they can be replaced by such serious neurological disorders as nervousness, constant feeling of fear, numbness and tingling of the fingers and toes, sleep disturbance and prolonged depression.
The intake of vitamins of group B, accompanied by the use of sorbents, antibiotics, anticonvulsants, leads to their lack of absorption.
What is important is the additional intake of B vitamins for pregnant and lactating women, as well as people using hormonal contraceptives.
How to take B vitamins
Some B vitamins, such as B1, B2, B3, B6 and B12, which are part of chemical additives and vitamin complexes, can cause allergic reactions. Therefore, it is more appropriate and safe to get them from food.
Group B vitamins are rich in foods such as meat, liver, carrots, cabbage, sea fish, eggs, butter, potatoes, nuts, cereals, brewer's yeast, yellow fruits, green parts of plants and dairy products.
When taking vitamins of group B, one should take into account that their simultaneous action on the body gives better results than taking each vitamin of the group separately. In natural products, these substances are most often present in the same products, which explains the occurrence of a lack of B vitamins with improper nutrition. Therefore, if you decide to enrich your body with these vitamins, your daily menu should consist of a wide variety of foods in which they are contained.
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How to take vitamins?
Want to know how to take vitamins? To get the maximum benefit from vitamins, they must be properly taken. Do not drink the same vitamins all the time. Take a course of some vitamin, then replace them with others. Between courses of vitamin supplements take a break of two to three weeks.
Carefully read the instructions attached to the vitamins. If it is said that they should be drunk during a meal or after a meal, they should be taken at exactly the specified time. If it is written to take 30 minutes after a meal, then it should be done as it is written in the instructions.
All vitamins can be divided into two groups:
Water-soluble vitamins do not accumulate in the body and should be taken with food. These include - H, C, B vitamins (B5, B2, B1, B12, B6)
Fat-soluble vitamins (A, D. K, F and E,) tend to accumulate in the body, therefore you need to monitor their dosage more carefully.
How to take vitamins?
If you are interested in what time to take the vitamins, then, undoubtedly, the best time to take vitamins is in the morning, after meals. But, in no case should not eat them on an empty stomach. You cannot take vitamins if you are treated with antibiotics. Treat them with caution and during treatment with any medication. Consultation with a doctor in such situations is a must. If you have food allergies you should be very careful when taking vitamin preparations.
Read the instructions. If you don’t read chewables on the package, swallow the tablets or capsules whole. Otherwise, if not properly taken, some of the vitamins are destroyed. How to take vitamins in capsules we write separately. Such vitamins should not be washed down with soda, milk or juice. This will prevent the absorption of useful substances.
How long to take vitamins?
Multivitamin complexes are recommended to take one to three times a year. In order to prevent these drugs prescribed courses from one to two months. If analyzes show that there are not enough trace elements in the body, then it is necessary to choose a vitamin complex with appropriate minerals. They should be taken the same way in courses of one to two months, from one to three times a year. In those periods when you do not take multivitamins, you should drink ascorbic acid, 50-75 mg. in a day.
What vitamins to take in the fall?
Autumn - it's time for heavy rains, cold and avitaminosis. During this period, the largest surge in various diseases associated with weakening of the immune system. Therefore, to maintain the body must take vitamins. The main vitamins of autumn are: vitamin C, B6, vitamins A, D and E. Also, vitamin complexes consisting of zinc, selenium and additional components, such as ginseng, lemongrass and echinacea, are effective.
Let's take a closer look at the vitamins that must be taken in the autumn period:
- Vitamin B6. This vitamin is most important in the autumn. He is responsible for the work of the cardiovascular and nervous system of the body. The best assistant in the formation of immunity.
- Vitamin C - ascorbic acid. Without this vitamin can not do in the fall. Vitamin C improves the overall condition of the body, plays an important role in metabolism, improves immunity.
- Vitamin E. Removes toxins from the body. It is indispensable in the autumn period.
- Vitamin A. It is necessary to maintain a good condition of the teeth, hair in the autumn. Strengthens the immune system. It protects against various colds, infections of the respiratory tract, influenza. Among other things, plays an important role in the normalization of metabolism. Slows down the aging process.
- Vitamin D. Is indispensable in the autumn, when the sun is not enough. It prevents the occurrence of osteoporosis, is involved in mineral metabolism.
Vitamins are necessary for most of the most important processes that take place in the body, therefore, there must be a sufficient number of them, especially for a young, growing organism. Modern rhythm of life, irregular and irregular diet clearly does not make the situation with vitamins better, and their lack becomes very noticeable. Increased fatigue and weakness, unhealthy appearance, brittle nails and hair - a consequence of a lack of vitamins in the body. And even nutrition is not a guarantee of saturation of the body with all necessary substances. That is why you need to help your body. Modern selection of multivitamins is huge! It remains only to choose those that suit you best.
Even more interesting
Names of B vitamins
Even if your city is not a huge metropolis, the urban lifestyle cannot be canceled. Обилие техники, продолжительные часы за работой, стрессы негативно сказываются на здоровье. Комплекс витаминов группы В – кладезь, который восполнит нехватку полезных веществ в организме. На этих элементах основываются здоровье, красота, правильный обмен веществ и энергообмен. Узнайте о необходимости конкретных продуктов в рационе и комплекса препаратов, содержащих в организме витамины группы В, а также проблемах при их дефиците.
Польза витаминов группы B
You have definitely heard about the enormous benefits of the complex of this group of vitamins. Each element performs its function, which is responsible for vital processes. They can not replace each other in the complex, so the lack of a single type of vitamin leads to the destruction of the whole system. The group has 6 components included in a variety of metabolic mechanisms. Let's get acquainted in more detail with each element of the complex and the daily rate.
B1 is known as "thiamine" or "thiamine pyrophosphate". Vitamin is involved in the metabolism of fats, salts, carbohydrates, proteins in the body. The main element of the system - the brain - fully works only when it is provided with thiamine. Vitamin B1 is responsible for the normalization of the digestive system, stimulation of appetite, which leads to increased work capacity. The daily rate of substance for an adult is 1.3 mg, for pregnant women - 1.6 mg, for children up to 3 years old - 0.8 mg. A lack of thiamine leads to a lack of coordination, sleep, calm, and endurance in your nervous system.
Riboflavin (B2) is responsible for the normalization of energy reactions. The main processes taking place with the help of this vitamin are the development, creation, regeneration of body tissues, the combination of antibodies and blood cells. Norm riboflavin B2 in the body contributes to the coordinated work of the skeleton, muscles, immunity, digestive system and blood formation. It is necessary for hair, skin, nails, so with a lack of vitamin they deteriorate (characterized by fragility, lethargy). The daily norm for adults is 1.2 mg, for a child of 4 years old - 0.6 mg, for pregnant women - 1.6 mg.
Nicotinic acid, vitamin PP or B3 - on guard of the epidermis. His work is the stimulation of skin respiration. Nicotinic acid regulates blood circulation, normalizes the processes of blood vessels, lowers cholesterol and protects against atherosclerosis. The group B vitamin "nicotine" series prevents the development of pellagra. The daily rate of nicotinic acid for an adult organism is 15 mg, for a 5-year-old baby, 8 mg, for a pregnant woman, 18 mg.
Pantothenic acid, or B5, is responsible for the normal tone of muscle tissue, body heat regulation, and heart function. Vitamin participates in the synthesis of adrenal hormones and blood antibodies, protecting the body from infectious diseases, toxic substances and cancer. With a lack of B5, dizziness, nausea, headaches, insomnia occur. The daily intake of a vitamin for an adult body per day is 6 mg, for a 5-year-old child, 4 mg, for a pregnant woman, 8 mg.
Pyridoxine, or B6, is involved in the connective reactions of the body's amino acids. Vitamin helps to produce enzymes and hormones, break down fats, lowering cholesterol levels. A lack of pyridoxine can lead to anemia, a regression of the processes of the cardiovascular system. If there is a lack of vitamin B6 in your body, it will easily lead to dermatitis, depression, nausea, vomiting, deterioration in skin tissues. The daily rate for an adult is 2.1 mg, for a 5-year-old child, 1.2 mg, for a pregnant woman, 2.5 mg.
Folic acid, or B9, is essential for pregnancy. Vitamin is responsible for the creation of a normal nervous system, blood circulation, timely growth of the fetus. If the body has enough folic acid, then the menstrual period in adolescents is painless, the menopause in women is without complications, and in pregnant women the risk of premature birth is minimized. Hypovitaminosis B9 leads to anemia, the body's leukemia, irritability, apathy, insomnia. The daily rate of folic acid for adults and children is 0.2 mg, for pregnant and lactating girls - 0.3 mg.
Cyanocobalamin, or B12, is important in the process of creating red blood cells and synthesizing hemoglobin. Vitamin promotes the production of antibodies in the body, opposing viruses and infections. The flow of processes in the male reproductive system requires elements of B12. The daily intake of a vitamin for an adult is from 3 micrograms, for children 5 years old it is 1.6 micrograms, for pregnant women it is 4 micrograms.
How to take group B vitamins in pills
If you notice the slightest signs of hypovitaminosis, you need to include an additional source of vitamins of group B. In pharmacies you will often find B1, B2, B6 and B12 in preparations, because other components are quite enough in food. What is the complex of vitamins of this group for tablets? You've heard about chronic fatigue syndrome more than once. The main reason for this feeling is the lack of a complex of vitamins of group B.
Instructions for each drug will explain in detail how to take when it is better to drink pills. The main action of this group is the release of the body's energy for the processing of carbohydrates into glucose. Before embarking on a vitamin course, talk with your therapist about this, learn the rules for taking it and how often to use B-complexes. Examine the contraindications and only then compare the symptoms of your body with the prescribed drug. If the slightest uncertainty is present, donate blood for analysis to determine if you are allergic to the vitamin.
This is a multivitamin (B1, B2, B6, B12), which is used for diseases of the nervous system, various neuralgia, liver, paresthesia, nausea at the 1st and 3rd trimester of pregnancy, lumbago, lack of these elements during lactation. An unbalanced diet, frequent alcohol and nicotine, depletion of the body are also reasons to take a B-complex of vitamins. The course is 2-4 weeks, the daily rate determined according to the instructions. Side effects of allergies to B vitamins - in the form of dermatitis. You can not take with increased sensitivity of the body, combined with alcohol.
Pharmacology offers a complex of water-soluble vitamins of group B1, B6, B12. For maximum effect, it is recommended to take vitamin B tablets after meals, drinking water or tea. Course and daily rates - for your doctor. Among the rare side effects of the body on the drug of this group: itching, nausea, the development of tachycardia. Neuromultivitis is contraindicated for pregnant women, children under 12 years old, people who do not tolerate the components of the vitamin complex. Applies "Neuromultivitis" with:
Doppelgerts asset magnesium plus: B vitamins
Pharmacological classification - dietary supplements. The combination of magnesium, folic acid, B1, B6, B12. Compatibility with other drugs is possible. Before taking, consult with your doctor where to find out how often you can drink and at what time to take pills. Overdose was not observed, contraindications - individual intolerance to vitamins. Indications for use of a group of vitamins:
- increased fatigue
- physical exercise,
- the body's need for additional energy
- constant stress
- fatigue after serious illnesses.
Complex of vitamins of group b - B Complex
This complex contains B1, B2, B3, B4, B6, B8, B9, B12 and auxiliary components. Vitamins of this group increase immunity, improve and strengthen hair and nails. The complex is used with impaired metabolism, disorders of the central nervous system, skin rashes. Vitamins in food does not always satisfy the needs of the body, so this complex is taken during meals. The complex preparation of group B is limited for individuals with individual intolerance, for children up to 12 years old, for women during pregnancy and lactation.
If you are looking for a cheap complex of vitamins B of the group, then SUPPLEMENT Superum is just for your body. It contains B1, B2, B3, B6, B12, B9. The body needs the Superum complex, if an additional source of vitamins is needed, in case of alcoholism and diabetes, for the stability of the nervous system, to gain weight with maximum efficiency. Contraindications - individual intolerance. For data on the daily rate of the complex and the duration of use, contact your physician.
Vitamins in ampoules
Your hair has faded, lost strength and color, constantly fall out? It is not necessary to go to expensive medical procedures or buy luxury shampoos to restore their condition. Use vitamin ampoules with components B1, B6, B9. They play an important role for the hair - they resist their excessive loss, are used in complex treatment against baldness, for the skin - they prevent rapid aging, relieve itching. How to use vitamins in ampoules for hair? Some important rules of complex drugs:
- It is necessary to cut the head of the ampoule with a special nail file to avoid cuts and the loss of fragments. Break off vessels with a mark.
- The ampoule is designed for single use. If the recipe says to take a smaller amount of vitamins, then after a while the liquid in the open vessel will no longer be useful.
- The concentration of funds in the ampoule is so significant that you need to prevent excess. The dosage should be clear and precise.
- Apply the contents of the ampoule necessary on the scalp. This achieves the maximum beneficial effect, the vitamins of this group are absorbed into the vessels, in the layers of the epidermis faster metabolic processes.
How to prick vitamins of group B
Doctors prescribe injections intravenously or intramuscularly to patients who have limited nutrition or have a disease (osteochondrosis, diabetes). Can I mix group B vitamins? Not. If several components are prescribed to you, you choke the injection alternately - today B1, tomorrow B6 and beyond. You can do intramuscular injections yourself in the buttock, after washing your hands, rubbing the injection site with alcohol. Intravenous - only to the nurse, if you or family members do not have the appropriate medical education.
Video Council: Symptoms of a lack of B vitamins
From the video you will learn about the first signs of a lack of vitamins in this group. Do not expect obvious symptoms with which you will obviously have to consult a doctor. A small lack of nutrients is easy to fill up with a quick course of pills, capsules, if you know that in food you will not get the necessary daily rate of vitamins from this group. Information and tips from the video that is posted below will be useful to you, even if you only suspect why your hair is constantly falling out or your skin tarnishes.
Reviews of the results of taking vitamins of group b
Alain, 32 years old: I had terrible hair problems after my second pregnancy. When the first baby was born, I did not observe this, really. And then suddenly the hair began to fall out in clumps from which a hat would have gathered. I went to the doctor for prescriptions. Among the entire list, I was most approached by a hair mask with vitamin B12 for hair loss. Strands have become stronger and stronger, I am impressed with the result.
Marina, 26 years old: Frequent stress due to the change of work led to the fact that the nervous system was just shaken. I turned to a neurologist for a sedative. He said that weeds will not solve this problem, and recommended that I replenish the vitamin balance in the body. I studied all the information in which thiamine and folic acid are contained. I was helped by complex vitamins.
Katerina, 23 years old: I was also worried about the problem of hair loss. I wanted to quickly have a shiny, strong hair, so I decided that I would not be able to limit myself to one package to achieve a positive effect. After consulting with the doctor, he helped to conduct a long course of vitamin capsules with interruptions so that the hair looked healthy.
1. Assess whether you are at risk
If you are lucky enough to get enough sleep every day, eat only the freshest and best-quality products in a variety of ways, it’s enough to be in the fresh air and sunshine, you shine with happiness and health, then chase into the neck people like me who recommend you change something in your life .
But more likely you are not one of them. Most people today are still not able to pay enough attention to their diet.
Perhaps you want to lose weight. No matter how much you talk about a balanced diet, you will avoid fat and bread if you get into smaller jeans. Students during the session, or those traveling to work in the other end of the city for two hours one way, generally not up to the quality of the products: he intercepted something on the go - and order. But the burden on the body with such a huge life.
2. Determine what you really lack
If you decide on your own to determine which vitamins and microelements you are missing, you will have to study the issue thoroughly. The common belief that good vision requires vitamin A, ascorbing will save you from a cold, and calcium will provide strength to your bones and teeth, very superficially.
You can understand the question in one of two ways:
- To study the symptoms of a lack of vitamins and trace elements in the body. So you get a more accurate picture of your condition.
- Pass the analysis - this way is easier and faster.
3. Analyze your diet
Do not simultaneously lean on products rich in essential substances, and take drugs. For example, 100 grams of hard cheese already contains half the daily rate of calcium. Beef liver covers the recommended daily dosage of vitamin A 30 grams. 200 grams of broccoli contains 2–3 times the daily intake of vitamin C. But in order to get a daily intake of vitamin B6, you have to eat about 200 grams of walnuts (more than 1,300 kcal) or 400 g of millet (more than 1,500 kcal) or chicken (more than 800 kcal).
4. Understand a little biochemistry
It should be borne in mind that vitamins are fat soluble and water soluble. The first are A, D, E and K, the second - the rest. It is also important to understand that trace elements are digested from salts. As a rule, the method of reception specified in the instructions for the preparation (on an empty stomach, during or after a meal, drinking water), ensures effective absorption. In the case of products, this works when you add sour cream to the carrot: without fat, vitamin A will pass you by.
javiercorrea15 / Depositphotos.com
For the assimilation of certain trace elements, vitamins are needed: for calcium - D, for iron - C, for magnesium - B6, and so on. Therefore, if you eat a lot of cottage cheese, and you still do not have enough calcium, you may not have enough vitamin D.
However, it is important to consider that, for example, vitamins A, D, E, B12 may accumulate in the body. This means that you cannot overdo it. At the same time, high dosages of substances that do not accumulate in the body are not so dangerous. Therefore, do not be afraid if the drug contains 200-300% of the recommended norm. Some manufacturers thus compensate for the poor absorption of substances.
But to lean on the trace elements should be with caution. Excessive use of one of them can lead to a decrease in the absorption of the other. For example, calcium reduces the absorption of magnesium and iron, and zinc - calcium.
5. Do not save on your health
At some point, the “good” person published a list of cheap analogues of popular drugs on the Web. This list has become megapopular among the masses, and consumers have decided that now “evil” corporations will not be fooled. But do not rush to conclusions.
In chemistry, there is a much deeper level than the trade name of a substance. If the drug contains the same word, it does not mean that the substances are identical. What matters is the method of production, raw materials, purity - these data are not on the package.
In the case of drugs containing the whole range of vitamins and minerals, the price can play a crucial role. You have probably heard that some vitamins and minerals are not absorbed at the same time. Manufacturers have solved this problem by creating pills in which the components are arranged in layers (try cutting the pill). This naturally complicates the production process and increases the cost of the final product. Not the fact that the price of a cheap counterpart is not reduced by simplifying production.
You may well try to add a couple of drugs to your diet, if you feel that you are missing something, and independently evaluate the effect. However, do not treat them as candy, as was the case in the Soviet Union with yellow balls or ascorbic.