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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 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 ...
“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.
Dietary selenium comes from meat, nuts, cereals, and mushrooms. Brazil nuts are the richest dietary source (though this is soil-dependent since the Brazil nut does not require high levels of the element for its own needs). [159] [160] The US Recommended Dietary Allowance (RDA) of selenium for teenagers and adults is 55 μg/day. Selenium as a ...
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 ...
The paradise nut is a large rainforest tree with spreading branches. It is in the same family ( Lecythidaceae ) as the Brazil nut tree ( Bertholletia excelsa ) and has a similar fruit. This is a large woody capsule up to twelve inches (thirty cm) in diameter and very heavy, [ 2 ] with a lid which bursts open when the seeds are ripe.