Use of health supplements in the U. 2.50 0.14 years. Nail samples accurately reflect exposure in this selenium toxicity outbreak, which resulted in long-term/permanent adverse health effects. = 1635) and females (53.7 14.1 years; = 1940), respectively [16]. An analysis of 15 popular Se supplement products, including both organic and inorganic chemical forms, purchased at… Continue reading Use of health supplements in the U. 2.50 0.14 years. Nail