While blood donation burns calories (around 650 per pint) and reduces iron, helping with overall health and potentially fatty liver, it's not a direct or primary method for losing belly fat, nor a substitute for diet and exercise; its calorie burn is temporary, and the body quickly replenishes blood, but removing excess iron can benefit metabolic health, notes Live Science and NTR Trust.
The average adult has about 10 pints of blood. When you donate blood, you temporarily lose about 1 pint, or less than 1% of your body weight. We say temporarily because your body replaces the fluid portion of your blood (which is about half of your blood volume) in a couple days.
Yes, donating blood is generally good for you, offering significant benefits like a healthier heart and vascular system (lower blood pressure/heart attack risk), reduced iron levels (which can lower cancer/liver disease risk), and emotional well-being (stress reduction, sense of purpose). It also provides a free mini-physical, revealing potential health issues through screening, and stimulates the body to create new blood cells.
By reducing the iron levels in the body, blood donation can also improve liver health. Hemochromatosis can increase the risk of non-alcoholic fatty liver disease, hepatitis C and other liver diseases.
Giving blood may help the body's detoxifying potential. Blood donations have been shown to affect the levels of perfluoroalkyl and polyfluoroalkyl substances (PFASs). PFASs are chemical compounds found in consumer and industrial products, such as grease-resistant paper and fire-extinguishing foam.
Top Health Benefits of Donating Blood
Bloodletting was once thought to reduce inflammation, boost immunity, and improve circulation by aiding in the detoxification of the blood circulating throughout the body. Over time, however, bloodletting's harmful impacts made the practice a less preferable form of medicine.
Burns Calories
Surprisingly, a single blood donation session can burn up to 650 calories. It's not a weight-loss strategy, but it's a bonus for those maintaining a healthy lifestyle.
Many people – especially men – tend to feel better after donating blood. This is likely because your iron level drops a few points when you give blood. It forces your body to produce “new” blood to replace the “old” blood you donated. Some see this as a natural “oil change” for the body.
Prevention and reversal of fatty liver disease
As many donors can tell you, the most common side effect of blood donation is feeling more tired following donation. This is particularly true of whole blood and double red blood cell donations, as they result in temporarily lowered levels of red cells, which carry oxygen in the blood.
Temporary boost in metabolism – As your body works to replace donated blood cells, it revs up your metabolism. This temporary boost may not last long, but while it does, you may feel more energized and your body may burn calories at a faster rate.
When you donate blood, your body works to replenish the lost blood. This process boosts circulation, which is crucial for healthy hair growth. Improved blood flow ensures that hair follicles receive more nutrients and oxygen. This results in stronger and healthier hair.
The plasma from your donation is replaced within about 24 hours. Red cells need about four to six weeks for complete replacement. That's why at least eight weeks are required between whole blood donations.
Another health benefit of donating blood regularly is lowering cholesterol, so it can help you reduce cholesterol levels in the body. By donating blood, the cholesterol in the blood will indirectly decrease along with a long bleeding. It is great for lowering cholesterol.
Over the next 48 hours:
Hydration is key! You just gave about a pint of blood, so it's important to replenish fluids. For the rest of the day — and especially the next 24 hours — drink plenty of water or other non-caffeinated beverages. Drinks with electrolytes are great choices.
A healthier heart and vascular system
Regular blood donation is linked to lower blood pressure and a lower risk for heart attacks. “It definitely helps to reduce cardiovascular risk factors,” says DeSimone.
According to iformation from the Red Cross and the Mayo Clinic, one pint of blood “burns” between 600 and 650 calories. How? Calories are burned when the body expends energy to replace red blood cells that were removed. Of course, blood donation should not be a part of your weight-loss plan.
Blood Donation and Oxidative Stress
Regular blood donation reduces the number of iron stores in the body, lowering oxidative stress levels. This oxidative stress reduction helps slow cellular damage and promotes anti-ageing effects.
Does blood donation burn calories? Yes! Although, it's not quite a “get fit quick” solution. According to research by UC San Diego, you can burn up to 650 calories per pint of blood donated as your body works to build back up your blood volume and create other blood components.
Radiant skin: Donating blood can contribute to clear, glowing skin and help improve your overall physical appearance, including a slimmer physique.
Supports Liver Function: Excessive iron can cause inflammation and damage in the liver. Blood donation helps prevent such buildup, supporting healthier liver enzymes and reducing the risk of fatty liver disease.
Currently, therapeutic phlebotomy is approved for three main indications: haemochromatosis, polycythaemia vera and porphyria cutanea tarda.
Bloodletting cupping therapy (Hijama) is a traditional alternative medicine practiced in different cultures. Claims about the therapeutic efficacy of Hijama in hypertension are contradictory. The aim of this project was to determine if Hijama therapy is beneficial in the treatment of patients with hypertension.