Do you know that you can live longer just by eating the right food for your blood type? The best diet for an O positive blood type person is keto because EVERY O POSITIVE BLOOD TYPE NEED HIGH FAT AND PROTEIN TO LIVE HEALTHY. There are majorly 4 blood types and food for blood type will make you healthier. This is a very simple book that is set to get you started. It contains 20 recipes specially selected for o positive blood type. What are you waiting...