It's usually assumed that vegetarians have lesser amounts of iron in their bodies, which is directly linked to our body's haemoglobin. However, your choice of a vegetarian or non-vegetarian diet doesn't decide your eligibility for blood donation.
Although meat-based foods are typically higher in iron count which is responsible for the haemoglobin creation, the Indian vegetarian's diet has a lot of sources for adequate iron such as green leafy veggies.
