Odżywki i suplementy
Since 2005
Vitamin C with Quali-C 1000mg 120 caps.Doctor's Best |
£ 17.45
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Vitamin C with 70% Wild Rose Extract 120 caps. MZ-STORE |
£ 6.43 |
Doctor's Best Vitamin C with Quali-C is a dietary supplement containing 1000 mg of vitamin C in one capsule. The Scottish brand Quali-C guarantees the highest quality of vitamin production, which is derived from GMO-free corn and wheat.
The preparation is gluten-free, contains no soybean and can be used by vegans and vegetarians without any worries.
Vitamin C is a water-soluble substance that must be supplied exogenously because the human body does not have an enzyme responsible for its biosynthesis. The synthetic ascorbic acid, closed in a capsule, has the same effect as that found naturally in fresh fruit and vegetables. It is worth noting that natural sources of vitamin C may be insufficient even at high intake, especially in people with increased demand, such as: ill individuals, athletes, cigarette smokers, pregnant and lactating women.
Influence on the immune system
Despite the wide range of positive effects on the body, most often the action of vitamin C is associated with the support of immunity, therefore it is recommended to take it both in the state of health and disease. By intensifying the synthesis of immunoglobulins and T lymphocytes - particles responsible for the fight against pathogens - it may shorten the duration of infection.
Protection against oxidative stress
Ascorbic acid, as an antioxidant, protects against free radicals that can degrade DNA. They also damage the wall of blood vessels and by oxidizing lipids are the primary cause of atherosclerosis, while destruction of collagen fibres in the skin leads to the formation of wrinkles, accelerating the aging process. In addition, vitamin C helps to regenerate other antioxidants, such as oxidized form of vitamin E, with which it acts synergistically.
In the era of thyroid conditions plague, it is worth mentioning that it is also protected against oxidative stress by vitamin C. Ascorbic acid not only has a prophylactic effect, but is also able to reverse structural damage to this organ to some extent.
Collagen synthesis
Vitamin C is essential for the metabolism of connective tissue (collagen formation), which occurs in every part of our body. For example: 90% of the eyeball is collagen, 60% of the liver is also collagen, and in the heart muscle it is as much as 40%. Being the cofactor of hydroxylase responsible for its creation, it determines the proper development of bones, cartilage and teeth. An appropriate level of vitamin C prevents scurvy and slows down the development of parodontosis. Moreover, it improves mechanical strength of blood vessel walls and accelerates wound healing.
Carnitine production
Vitamin C is also needed for the synthesis of carnitine, which is mainly found in the skeletal muscles and heart, and is responsible for the use of fatty acids to produce energy during exercise. In addition, L-carnitine reduces muscle fatigue during prolonged training. For this reason, athletes in particular should take care of the correct level of L-carnitine. Its deficiency will be manifested by weakness and atrophy of skeletal muscles, and in extreme cases, heart failure.
Influence on the nervous system
More than 50 different particles responsible for the transmission of impulses between nerve cells have been distinguished in the human body. In order to synthesize them, a sufficient amount of proteins, carbohydrates, fatty acids and vitamins, including vitamin C, is necessary. Vitamin C takes direct part in the production of noradrenaline and dopamine, which is worth remembering while taking care to maintain concentration and emotional balance. In addition, it protects against the development of Alzheimer's disease by neuroprotective action.
Effective cortisol reduction
People exposed to long-term stress should also take care of an adequate level of vitamin C, which reduces the level of cortisol. This enzyme, in the case of increased nervous tension, causes the ‘ejection’ of glucose into the blood. The increase of blood sugar level is a very positive and useful phenomenon if it lasts a few minutes and does not appear too often. The problem arises when, for example, a person has a stressful job and a high concentration of cortisol does not decrease. Then symptoms often associated with depression appear: problems with falling asleep, mental exhaustion, lack of motivation. Moreover, too high a level of cortisol may contribute to the development of insulin resistance over time.
Beneficial effect on the absorption of iron and folic acid
Ascorbic acid significantly facilitates the absorption of inorganic iron. Its absorption in the intestines, due to the existence of a mucosal barrier, without a sufficient amount of vitamin C is only 10%. The effects of deficiency are manifested, for example, by anaemia, whose symptoms include: pallor of the skin and mucous membranes, drowsiness, dizziness, chronic fatigue.
Folic acid (vit. B9) also owes its better absorption of vitamin C. It is worth remembering this when supplementing it during pregnancy, megaloblastic anemia (folate deficiency) or digestive disorders.
To sum up, Doctor's Best Vitamin C with Quali-C is a high quality supplement, which contains a dose adjusted to both the demand and the possibility of daily maximum absorption by the body. It can be used prophylactically to comprehensively support the body in its proper functioning.
| per 1 capsule | amount | %DV |
|---|---|---|
| Vitamin C (as Quali-C ascorbic acid) | 1000 mg | 1667% |
Modified cellulose (vegetarian capsule).
Vitamin and mineral complex. The preparation supports metabolism and protects against free radicals.
BuyA one-graft dietary supplement in the form of fruit gums, intended for children over 2 years of age.
BuyA high-quality source of endogenous amino acid. Intensification of collagen synthesis and regeneration of bone tissue.
BuyThe combination of a probiotic with inulin for children. Supports the proper functioning of the intestines.
Buy
Vitamin C (ascorbic acid) it is a vitamin soluble in body fluids, can be taken from foods (fruits and vegetables), or as drug derived synthetically. The largest of its resources can be found in broccoli, Brussels sprout, kale, black currant fruit and hawthorn, citrus fruits, tomatoes, Savoy cabbage, potatoes. In fact, intake of vitamin C of the food products does not limit the absorbed quantity. Vitamin C (ascorbic acid) is a potent antioxidant, it is an antitoxic, increasing the immune system due to the elimination of risk of bacterial contamination. Vitamin C prevents rupture of blood vessels, affects the blood cholesterol level. It substantially increases the absorption of iron. Inhibits the growth of cancer cells. Lowers stress levels.
Vitamin C deficiency causes abnormal development of connective tissue, cracking capillaries, abnormal calcification of bone tissue, impaired absorption of iron, scorbutus. With the lack of vitamin C, all kinds of injuries do not heal up properly. Vitamin C deficiency can be caused by smoking; each cigarette is destroying up to 100 mg of vitamin C.
Dosage: The demand is 60-80 mg daily. It does not limit the ability to consume higher doses. Some side effects may occur only with longer taking of synthetic vitamin C.
Ascorbic acid – vitamin C. Its biologically active form is the L-isomer, which negatively rotates the polarised light, so that it is a dextroisomer (laevorotatory vitamin C does not exist). It is a strong antioxidant; it reduces the amounts of free radicals, which reduces oxidative stress, a factor leading to cell apoptosis, which is why it is indicated to be a cause for premature ageing.
It supports the immune system functions and increases body system immunity. It is an essential element of the collagen synthesis path, which is why it positively affects the condition of connective tissue. Hence, it promotes also wound healing and increases the durability of capillary vessel. It is involved in transformations of tyrosine and carnitine as well as of some nutrients, so that it affects metabolism. It can also have an impact on the nervous system functions, as it reduces mental fatigue.
Higher supply of vitamin C is especially recommended in the periods of more intensive body system burden, after infections and in order to accelerate regeneration. The indications for increased supply of the vitamin are also hard physical work or intensive trainings.
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