english: vitamina a acidoverview vitamins Occurrence and structure of vitamin A Beta-carotene, the precursor of vitamin A, can be split into two molecules retinal, which consist of four isoprene units and a simple ring system. Vitamin A is supplied via food and is particularly contained in animal food sources. Liver contains a particularly large amount … Vitamin A – Retinol
Vitamin A-containing agents against acne Vitamin containing drugs are very effective drugs for the treatment of acne. Through a therapy that usually lasts for several months, the sebaceous glands of the skin are severely restricted in their function. The skin is less oily and fewer and fewer pimples form over time. Due to the possible … Vitamin A-containing agents against acne | Vitamin A – Retinol
Eye drops containing vitamin A In case of dry eyes, relief can be achieved with eye drops containing vitamin A on doctor’s orders. Depending on the severity of the symptoms, one drop is given into the eye 3 times a day up to once an hour. The drops contain a small amount of the vitamin, … Eye drops containing vitamin A | Vitamin A – Retinol
Definition Vitamin H is a water-soluble vitamin of the vitamin B complex, more precisely vitamin B7 or also called biotin. The intake of vitamin H to strengthen skin, hair and nails is particularly widespread; it is also found in this function in many preparations on drugstore shelves. But vitamin H fulfils many other functions. As … Biotin – Vitamin B7 – Vitamin H
Occurrence Vitamin H cannot be produced by the human organism, but it can be stored in the body to a certain extent by binding to a protein that prevents excretion through urine. It occurs naturally in many foods, so there should be no deficiency in a balanced diet. Baker’s yeast is one of the most … Occurrence | Biotin – Vitamin B7 – Vitamin H
Biotin preparations Vitamin H preparations are available in many different compositions and price ranges. Vitamin H preparations are available in capsule form in drugstores at reasonable prices. Here usually still different Vitamine and mineral materials are contained like for example zinc, iron or also Pantothensäure additionally. Also in the pharmacy these Vitamin preparations are to … Biotin preparations | Biotin – Vitamin B7 – Vitamin H
to overview Vitamins Occurrence and structure Niacin is mainly found in fish and coffee beans. It is interesting that a modified form of niacin can be produced from the essential amino acid tryptophan (essential means that the body cannot produce it itself and must therefore absorb it with food), but in too small amounts, so … Vitamin B3 – Niacin
to overview Vitamins Occurrence and structure Pyridoxine is also very common, especially abundant in liver, pork and chicken, nuts, fish, vegetables and brewer’s yeast. Pyridoxine occurs in various forms, all of which have in common the pyridine ring (contains a nitrogen atom), which is substituted in some places (i.e. to which different groups are attached). … Vitamin B6 – pyridoxine
Symptoms of deficiency They are very unspecific due to the frequent occurrence of PALP and rarely occur due to the abundant presence of pyridoxine. Symptoms can be neurological disorders (since many of the decarboxylation products of the amino acids are neurotransmitters in the nervous system), depression (possibly due to the lack of serotonin and norepinephrine … Symptoms of deficiency | Vitamin B6 – pyridoxine
Hypervitaminosis One speaks of a hypervitaminosis when there is an oversupply of vitamins. This can only occur with the fat-soluble vitamins (A, E, D and K). However, this cannot be achieved by diet. Only dietary supplements and vitamin preparations can be considered. With a balanced and healthy diet, hypervitaminosis is not to be expected. Vitamins … Hypervitaminosis | Vitamins
Recommended vitamins for children In general, in most life situations there is no need for additional intake of vitamins (substitution), since a balanced diet rarely leads to a vitamin deficiency. However, there are recommendations for the intake of vitamins in certain life situations. Infants and toddlers can be given vitamin D (cholecalciferol). Substitution is also … Recommended vitamins for children | Vitamins
to overview Vitamins Occurrence and structure Citrus fruits, broccoli, Brussels sprouts and potatoes have a high vitamin C content. However, only if they have not been heated too much, as ascorbic acid is sensitive to heat. Almost all animals can produce vitamin C themselves, but humans – among other primates – cannot. Characteristic for its … Vitamin C – Ascorbic acid
