Canadian Blood Services issueda similar statementin August, saying the number of people donating had hit a 10-year-low.

Why Hemoglobin Levels Matter

Hemoglobin contains iron, which is necessary to generate new red blood cells.

A poor diet oranemiacan also lead tolow iron.

blood donations

Malte Mueller / Getty Images

Other demographical factors might also come into play, she said, such as race and ethnicity.

You could also have low hemoglobin levels if you donate blood too frequently, Schafer added.

The range for African Americansmen and women varies by 0.7 g/dL at the low end of the range.

you’re free to also boost your hemoglobin levels byeating an iron-rich diet, she said.

If necessary, your healthcare provider might be able to prescribeiron supplements.

Most of the time, your levels will restore gradually.

it’s possible for you to try donating again in three months.

Blood Donor Counselling: Implementation Guidelines.

Geneva: World Health Organization; 2014.

Annex 1, Haemoglobin and iron: information for blood donors.

2015;74(9):302-310.

American Red Cross.What donors should know about iron and blood donation.