For general information on nutrients and supplements please read Which vitamin should I take?


H-N, Nutrients Database


Lycopene is another example of a carotenoid pigment; it is abundant in red fruits such as tomatoes and is responsible for the vivid colour of these fruits. Watermelon and pink grapefruit also contain lycopene. Lycopene is an antioxidant; this is …

H-N, Nutrients Database


Iodine is a trace mineral; it is essential for the maintenance of human health but it is only required in small or ‘trace’ amounts. Dietary sources of iodine include shellfish, seaweed and kelp, and oily fish. Iodine is essential for …

H-N, Nutrients Database

What is Molybdenum?

What is it? Molybdenum is an ultratrace mineral. Its is transported in the blood and the higher concentrations of this ultratrace mineral can be found in the liver and kidneys. What are good sources? Good source of Molybdenum are milk, milk …

H-N, Nutrients Database

What is Lutein?

Lutein is a type of carotenoid, a group of pigments that are responsible for the colourful nature of fruit and vegetables. Lutein is a powerful antioxidant and has been shown to protect the lining of the eye from damage from …

H-N, Nutrients Database


The symptoms of a manganese deficiency are not well researched but could include impaired growth, abnormality in the skeleton, reproductive problems and processing of fats and carbohydrates for use in the body. Good food sources of manganese include: nuts, wholegrains, …

H-N, Nutrients Database


Magnesium is vital for several functions in the body, it is commonly deficient in a diet that does not contain enough wholefoods, fruit, vegetables, wholegrains, nuts and seeds. Although widely available in a range of commonly eaten foods, if these …

H-N, Nutrients Database


Iron is an essential mineral, it can be supplemented in several forms, iron sulphate or oxide, although the most easily absorbed is chelated iron. Good sources of iron include: liver, meat, shellfish, soya, egg yolk, dried apricots, nuts, dark green …

H-N, Nutrients Database

Hyaluronic Acid

Hyaluronic acid is found throughout the body in the gaps between cells and structures, it is therefore abundant in the fluid that lubricates and cushions the joints, in cartilage, and in the fluid in the middle of the eyes. It …

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