blood donations American Red Cross FAQ Red Cross blood donation around 24 hours Other common questions it can save up to three lives locally help up to three people www.redcrossblood.org/donating-blood/donation-faqs American Red Cross American Red Cross Other common questions advise against heavy exercise the same day you donate according to the American Red Cross advise against heavy exercise the same day you donate Donation FAQs According to the Red Cross Other common questions every couple of months (or weeks for platelets only) Other common questions American Red Cross https://www.redcrossblood.org/donating-blood/donation-faqs a shelf life of around 42 Donation FAQs Red Cross According to the American Red Cross American Red Cross Other common questions American Red Cross https://www.redcrossblood.org/donating-blood/donation-faqs www.redcrossblood.org/donating-blood/donation-faqs American Red Cross test every unit for HIV every two months American Red Cross: Donation FAQs Other common questions According to the American Red Cross every 8 weeks According to the American Red Cross American Red Cross Red Cross Blood Donation Other common questions