Zinc is often referred to as Zn, it is trace element. Zinc was discovered by scientist Sigimund Marggarf in 1746. The word Zinc comes from the German word “Zinke” meaning “prolonged tooth”. This reflects the mottled appearance of pure Zinc metal.
Deficiency in Zinc is characterised by poor fertility, slow wound healing, damage to the kidneys and liver, poor stress and brittle hair. The best sources of Zinc include Beef, Legumes, Shellfish and a variety of nuts.
Intrepid explorer Marco Polo also used zinc for its medical benefits. He wrote in his diaries how he used zinc as an antiseptic and to reduce inflammation.
Despite its popularity soaring in the 19th centuary Zinc has actually been used as a medical aid since the Roman era. They used it to cure eye problems.
Males require a lot more zinc than women. Their RDA is 9.5mg.day and women’s is 7.0mg/day unless breastfeeding then it is much less. Zinc is not always easily absorbed. Phytates, which are compounds found in plants reduce Zinc’s bioavailability and potency of its health benefits.
Zinc is essential for make fertility as zinc is thought to be used for the production of sperm (spermatogenesis). A study fed group of men 10% of their daily requirement for zinc. At the end of the study they found the composition, quantity and quality of sperm had been significantly reduced.
As the Romans predicted Zinc can benefit eye health. The reason for that is that Zinc is a powerful antioxidant, which prevents the eye’s structure from free radical tissue damage. One study administered a high dose of Zinc to its patients they found a vast a reduced rate of macular degeneration cases compared to a placebo group.
Zinc is thought to be the most effective mineral for your immune health. A study found that zinc supplements reduced the duration and severity of flu symptoms more than Vitamin C.