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The National Institutes of Health lists the tolerable upper limit of selenium as 400 micrograms a day for most adults, and Brazil nuts have 544 micrograms of selenium per one-ounce serving, which ...
However, ingesting too much selenium — whether through Brazil nuts or otherwise — can cause selenium toxicity, which she says may lead to symptoms such as “gastrointestinal disturbances ...
“The maximum amount of Brazil nuts you should eat per day is three or you could be headed for selenium toxicity as the upper limit is 400 micrograms daily,” says Malkoff-Cohen.
Brazil nuts are a particularly rich source of selenium, with just 28 g (1 oz) supplying 544 micrograms of selenium or 10 times the DV of 55 micrograms. [ 37 ] [ 38 ] However, the amount of selenium within batches of nuts may vary considerably.
Brazil nuts are the richest ordinary dietary source and could cause selenium toxicity if consumed regularly – though the actual concentration of selenium (as with any plant-based food sources, such as another selenium-accumulating "paradise nut" Lecythis, belonging to the same family Lecythidaceae) is soil-dependent and may vary significantly ...
Brazil nuts are high in the antioxidant selenium, which has anti-inflammatory benefits. Just don’t overdo it: Eating too much selenium can lead to toxicity and symptoms like nausea, hair loss ...
Selenomethionine (SeMet) is a naturally occurring amino acid.The L-selenomethionine enantiomer is the main form of selenium found in Brazil nuts, cereal grains, soybeans, and grassland legumes, while Se-methylselenocysteine, or its γ-glutamyl derivative, is the major form of selenium found in Astragalus, Allium, and Brassica species. [1]
Just be aware that the tolerable upper intake level of selenium is about 400 mcg and Brazil nuts contain 68–91 mcg per nut. Try not to exceed three nuts per day (because they are so large, 1–2 ...