Yes
Selenium aids in the removal of lipids and phospholipids. Excess amounts of these are responsible for high cholesterol levels; something those with thyroid disorders often have. A low selenium status is also indicated in those who struggle with depression and mood disorders. Selenium comes in many forms. Most selenium supplements are selenium yeast, selenomethionine, selenite and selenate. Selenite and selenate are both inorganic forms of selenium and have an absorption rate of about 50%. This unfortunately, increases the chance of selenium toxicity. 1 Cancer. 2  Some research shows that taking 400 mcg of selenium daily for 2 years or 100 mcg of selenium along with zinc, vitamin C, vitamin E, and beta-carotene daily for 7.5 years does not reduce the risk of developing cancer. 3  However, other research suggests taking selenium might reduce the risk of cancer-related death. Skin cancer: Long-term use of selenium supplements might slightly increase the risk of skin cancer recurrence, but this is controversial. Until more is known about the possible increase in skin cancer risk, avoid long-term use of selenium supplements if you have ever had skin cancer. Selenium is a trace mineral that is necessary to all functions of the body. Selenium Function. This important nutrient is vital to immune system function. Selenium works in conjunction with vitamin E, vitamin C, glutathione and vitamin B3 as an antioxidant to prevent free radical damage in the body. It's thought to help prevent cancer by affecting oxidative stress, inflammation and DNA repair. Selenium is required for the synthesis and metabolism of thyroid hormones. And way back in 1991, Benton and Cook did a randomized controlled crossover trial of 100 mcg of selenium vs placebo in 50 people for 5 weeks, followed by a 6 month washout, then the crossover arm of the trial. Selenium supplementation was associated with increases in self-reported mood. Some people use selenium for under-active thyroid, osteoarthritis, rheumatoid arthritis (RA), an eye disease called macular degeneration, hay fever, infertility, cataracts, gray hair, abnormal pap smears, chronic fatigue syndrome (CFS), mood disorders, arsenic poisoning, and preventing miscarriage. Skin cancer: Long-term use of selenium supplements might slightly increase the risk of skin cancer recurrence, but this is controversial. Until more is known about the possible increase in skin cancer risk, avoid long-term use of selenium supplements if you have ever had skin cancer. A study in the United Kingdom found that when normal people were given selenium supplements their mood improved.Some of these people may have had a low-level selenium deficiency. However, selenium has not been tested as a treatment for people who are depressed. Overview of selenium supplements as a natural remedy for depression and whether selenium works in treating depression. And because foods grown in that soil are coming up seriously short in selenium. Selenium is required for the proper function of the thyroid, which plays an important role in mood and behavior. As a result, people with a selenium deficiency may have an increased risk for depression. And those with the most selenium in their blood felt the best. What’s more, the men in the study who initially had the lowest moods saw the biggest improvement. Put a smile on your face and get your fill of this mood booster. Brazil nuts are the richest food source of selenium. In fact, just one Brazil nut – if you buy it shelled and crack it yourself – averages 100 mcg While selenium is a necessary mineral, high amounts are toxic. The Food and Nutritition Board (FNB) has set the upper limit of selenium found through food and supplements to 400 mcg a day in adults. As with any supplement, check with a healthcare provider for a level safe for you.  Selenium is an essential mineral and micronutrient. It is fundamental to human health and found in many foods. It is found in meat, seafood (hence, selenium levels are high in populations with high intake of seafood, like the Inuit population), grain cereals, egg yolk, milk, brazil nuts, mushrooms and garlic.
http://www.stopthethyroidmadness.com/selenium/ http://www.webmd.com/vitamins-supplements/ingredientmono-1003-SELENIUM.aspx?activeIngredientId=1003&activeIngredientName=SELENIUM http://www.fitday.com/fitness-articles/nutrition/vitamins-minerals/10-foods-rich-in-selenium.html https://www.psychologytoday.com/blog/evolutionary-psychiatry/201110/selenium-and-the-brain http://www.webmd.com/vitamins-supplements/ingredientmono-1003-SELENIUM.aspx?activeIngredientId=1003&activeIngredientName=SELENIUM http://www.healthyplace.com/alternative-mental-health/depression-alternative/selenium-for-depression/ http://www.earlytorise.com/benefits-of-selenium-mood/ http://www.healthline.com/health/selenium-an-essential-mineral http://patient.info/doctor/Selenium
is selenium a mood booster