For Huntington’s Disease:
Studies have consistently shown that antioxidants may not have clinical benefits in motor neuron diseases, such as amyotrophic lateral sclerosis (ALS). Although the research thus far doesn’t discourage the use of selenium supplementation in patients, more research is needed to help determine if selenium is an effective treatment for central nervous system disorders.
Avoid this if you’re allergic to products that has selenium. Avoid if you have a history of non-melanoma skin cancer. Generally, selenium is regarded as safe for pregnant or breastfeeding women. However, animal research reports that large doses of selenium may lead to birth defects.