The first fish oil for medical purposes was produced by the Norwegian pharmacist Peter Möller more than 150 years ago. From Norway, where it has become a common health-promoting dietary supplement, its use has spread to neighboring countries.
Oral fish oil is obtained from the liver of cod fish. 1 gram contains from 350 to 1000 IU of retinol (vitamin A).
Fish oil has a beneficial effect on the brain, and also slows down the aging process of the body.
Fish oil has a beneficial effect on those parts of the brain that are responsible for memory, thinking, speech and occupy most of the cerebral cortex. It is widely used by the elderly in Europe and America to prevent multiple sclerosis.
Consuming the omega-3 fatty acids found in fish oil during pregnancy reduces the risk of postpartum depression in women.
When a few drops of fish oil are mixed with a drop of sulfuric acid, rings are formed that are colored blue, turning into purple, red and brown.
There is technical fish oil, which is used exclusively for the manufacture of lubricants, in the processing of leather, for the manufacture of degras, etc.
Russia became the first country where fish oil was widely used by both children and adults. However, in the 70s and 80s in the USSR, the use of fish oil in children was prohibited due to the pollution of the sea and fish. The ban was lifted only in 1997.
In England, it is forbidden to give it to children under 5 years old because of the danger of poisoning by the poisons accumulated in the cod liver. This decision was made due to the deterioration of the environmental situation in the world.