Brazil nuts, for example, contain very high amounts of selenium (68—91 mcg per nut) and can cause you to exceed the upper limit if you eat too many. In short, eating too many Brazil nuts can cause you to overconsume selenium, a mineral that is beneficial in moderation, but toxic when consumed in excess. According to the National Institutes of Health, the maximum daily limit for selenium in adults is 400 mcg. A single nut from Brazil contains 96 mcg.
There is limited data on the toxicity of selenium in humans. However, the most common side effects are fragility and loss of hair and nails, as well as gastrointestinal disorders, skin rash, fatigue, irritability and nervous system abnormalities. When it comes to Brazil nuts, less is more. They are high in calories and fat, which can cause unwanted weight gain if you eat too many.
In general, Brazil nuts are safe for everyone to eat. If you eat too many or take them in addition to selenium supplements, you may be taking in too much selenium. This can cause selenosis, which can cause symptoms such as hair loss and brittle nails in some people. In most cases, consuming 350 mcg of selenium or less per day is unlikely to cause problems, however, it is always advisable to talk to your family doctor or nutritionist before making major dietary changes.
Selenium is a key nutrient needed to maintain healthy thyroid function, and studies show that eating Brazil nuts could improve thyroid hormone levels in people with deficiency. While little research has been done to analyze the direct effect of Brazil nuts on specific thyroid conditions, such as Hashimoto's thyroiditis and Graves disease, some tests have shown improvements in mood and immune function after selenium supplementation. Another overlooked issue when it comes to eating too many Brazil nuts is their caloric density. While it is likely that humans have been eating Brazil nuts since the Paleolithic era, their first mention in Western sources was not until the 16th century.
An extremely high level of Brazil nuts can cause a condition known as selenosis, which is characterized by. This suggests that if you're trying to lose weight, Brazil nuts may be more of an obstacle than useful, especially if you eat too many. Because noodles are made from wheat, they were found to contain more key nutrients, such as fiber and protein. Brazil nuts are one of the highest natural sources of selenium: they contain 1,917 µg of selenium in 100 g.
The nuts grow inside a round, coconut-like shell, in orange segments that, when opened, reveal between 12 and 20 nuts from Brazil. A 1-ounce serving of Brazil nuts contains approximately 25 to 33% of the recommended daily dose of magnesium, which plays an important role in bone density. Brazil nuts are actually edible seeds of the Brazil nut tree and can be eaten raw or blanched. In addition, Brazil nuts are also consumed by those seeking to increase their daily intake of selenium, a mineral found in soil.
Considering that a single Brazil contains enough selenium to reach the recommended daily amount for all ages, and only 5 Brazil nuts provide more selenium than adults need, let's see what can happen if consumed in excess. Brazil nuts aren't actually nuts, they're technically seeds from large trees that are native to the Amazon rainforest. If not for your own good, but for the sake of anyone else in the house who can see them and pick up a few handfuls without knowing exactly what they are eating. Brazil nuts contain a polyphenol known as ellagic acid, which has antioxidant and anti-inflammatory properties that may offer neuroprotective and antidepressant effects on the brain.