Lithium dietary sources

Figure 2 The assessment of total discretionary salt use. (Data from Sanchez-Caslillo CP, Branch WJ, and James WPT (1987) A test for the validity of the lithium-marker technique for monitoring dietary sources of salt in man. Clinical Science 72 87-94 Leclerq C and Ferro-Luzzi A (1991) Total and domestic consumption of salt and their determinants in three regions of Italy. European Journal of Clinical Nutrition 45 151-159 Melse-Boonstra A, Rozendaal M, Rexwinkel H, Gerichhausen MJ, van den Briel T, Bulux J, Solomons NW, and West CE (1998) Determination of discretionary salt intake in rural Guatemala and Benin to determine the iodine fortification of salt required to control iodine deficiency disorders studies using lithium-labeled salt. American Journal of Clinical Nutrition 68 636-641.)...

Sanchez-Castillo CP, Branch WJ, and James WPT (1987) A test for the validity of the lithium-marker technique for monitoring dietary sources of salt in man. Clinical Science 72 87-94. 

In a review of naturally occurring dietary lithium (food and water sources), the author acknowledged that human lithium deficiency states have not been identified, but concluded that lithium should be considered an essential element, a conclusion reached on rather shaky grounds... 

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