Anemia is a condition that happens when your body doesn't have enough healthy red blood cells. It can make you feel weak, tired, and have trouble focusing. Full definition
Sometimes fatigue is a sign of anemia of chronic disease, a type of low blood count that develops when there is underlying inflammation in the body. (parsleyhealth.com)
However, garlic belongs to the onion family and onions DO cause anemia in dogs. (dogfoodinsider.com)
I would like to learn more because the main problem I always hear / read about is iron deficiency and iron deficiency anemia in people with gluten sensitivity, not iron overload. (adventuresofaglutenfreemom.com)