needed blood product you donate website needed http://www.unitedbloodservices.org/learnMore.aspx FAQs. type of donation website http://www.unitedbloodservices.org/learnMore.aspx Age/Weight Requirements WHY DONATE http://www.unitedbloodservices.org/learnMore.aspx United Blood Services website http://www.unitedbloodservices.org/learnMore.aspx http://www.unitedbloodservices.org/learnMore.aspx needed giving blood needed