Omega-3 fatty acids are the fourth most common supplement after multivitamins, calcium and vitamin C, according to the Council for Responsible Nutrition, an industry trade group.

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Although about 70% of a person's height is determined by genetics, children need good nutrition, with plenty of protein, vitamins and calcium, to reach their full adult potential.

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It is a good idea to read nutrition content on food labels to see if you are getting enough vitamin D, calcium or magnesium.

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Sarah Schenker, a dietician at the British Nutrition Foundation, said it was important for all young women to consume sufficient levels of calcium.

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