Celebrity Diets

The Blood Type Diet Review

We have reviewed diets that focus on your factors you don’t normally think about such as your personality type or hormonal balances, and today we make a new entry into that list; the blood type. When it comes to blood types, people typically only think about it when they are donating blood or are in need of surgery. We don’t usually put it into terms of how it affects our weight, but there are some experts out there that say you should be eating foods specific to your blood type.

The main proponent of eating for your own blood type is Peter D’Adamo, who is the brain behind the Blood Type Diet. Dr. D’Adamo is a physician that has won several awards for his work, and has written several books on the subject of health, with the Blood Type Diet being the most popular among them. So how exactly are you going to eat for your specific blood type, and can you lose weight doing just that? Let’s take a deeper look into the Blood Type Diet to see if it’s just crazy enough to work for you.

Behind the Blood Type Diet

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D’Adamo has been releasing books about eating for your blood type since back in the 1990’s, starting with the original Blood Type Diet. Since then, he has released specific books for each blood type and how to follow the program. D’Adamo says that not everybody is the same when it comes to their weight loss goals, because we not all of us have the same blood type, which affects your body’s chemistry.

Not only does your blood type affect your weight according to D’Adamo, but can tell you how prone you are to illness and how easy it is to stay fit and live longer. Depending on the type of blood type that you are, the specified plan shows what foods and vitamins you should be intaking on a daily basis, as well as what type of exercise you should get and what types of things are causing you the most stress.

Critics have been a bit skeptical behind the Blood Type Diet, saying that there isn’t any concrete evidence behind the claims that have been made by D’Adamo regarding your blood type’s effect on these aspects. Still, there are many followers of the diet that have seen success, which is why it has been popular for so long. However, not all of these people have lost weight simply because of their blood type, but by an increase in activity and decrease in calories.

There are four different blood types known to man, comprising of the A, B, O and AB types. The most common of the blood type is O, with another significant portion carrying the A blood type. The B and AB blood types make up less than 15 percent of people in the United States, so the Blood Type Diet obviously doesn’t sell as well for that group. Obviously, you need to find out what blood type you are before getting started on the diet, or else you’re wandering into unknown territory.

What’s on the Menu?


Once you have determined your blood type, the next step is to get started on the diet. We’ll break down what types of foods you should be eating with each of the blood types, as well as what supplements D’Adamo says you should be taking.

Blood Type A – According to D’Adamo, having an A blood type makes you prone to more stress with increased cortisol. This can lead to spacing out during the day, overeating and becoming imbalanced to the point of weight gain. People often tend to skip meals and overeat at others with this blood type. D’Adamo says that you should be avoiding loud noises, smoking and large crowds of people on this blood type.

Instead, you should be focusing on calming exercises and not over stimulating your senses. Yoga and meditation are popular exercises for this blood type to stay in check. As for your diet, you should be taking in plenty of fish, chicken, a wide variety of fruits and vegetables and whole grains like wheat. You should be avoiding dairy, replacing it with things like soy or nuts and beans.

Blood Type B – With a B blood type, you might find your body producing more cortisol than normal levels when stressed, hurting your ability to stave off diseases. The exercise is different for this blood type as you should focus on challenging ones that include high forms of cardio like tennis, cycling and hiking. Since type B’s are able to get over stress quickly compared to type A’s, the exercise and diet is a bit elevated.

The amount of food that you can eat is more varied in this blood type, as you can eat pretty much anything. The more surprising foods that you should be avoiding from the list, though, include chicken, pork, shellfish, cheese, corn, nuts, beans, wheat and bread. Thankfully, you can eat just about any other fruit and meat.

Blood Type AB – The rarest of the blood types, there is typically a lower stomach acid level for those with type AB blood. This means, according to D’Adamo, that you are more likely to store fat as foods aren’t digested as easily. Avoiding caffeine and meat is the biggest part of the AB diet, and focusing on smaller meals that you eat more often throughout the day, allowing your digestive system to work.

The best type of exercise plan that’s offered is one that is varied. For a few days, you will participate in aerobic exercise like running, and then following up with a couple of days of relaxing exercise like yoga. The foods that you should be avoiding with this blood type include shellfish, chicken, beef, pork, milk, ice cream, corn, bananas, avocados and peppers. Giving up that much meat might be difficult, but the rest isn’t as restrictive as the other blood types.

Blood Type O – The final blood type is the universal donor type O, which apparently is the most common blood type for ulcers. Since you have higher stomach acid levels with this blood type, you are able to digest more easily at the expense of having too much stomach acid. Type O’s tend to have a lot of energy, and are encouraged to participate in exercises that call for a higher aerobic level like running or cycling.

High protein foods are the norm for the type O diet, though you should be avoiding vegetables like cabbage and most dairy. Focus on foods such as organic meat, plums and figs. Type O’s have the highest variety of foods that they can eat with low restrictions, as long as they are getting enough strenuous exercise throughout the day.

What to Know About the Blood Type Diet


The other big part of the Blood Type Diet is taking the right supplements. There are about six or seven different supplements for each blood type through D’Adamo’s website, making it seem like a bit of a cash grab. Especially when you consider that each bottle isn’t a multi-supplement and the bottles cost anywhere between $25 and $40. Taking a multivitamin that you can pick up at a grocery or drug store should be enough to get you through the day just fine.

As for losing weight, there’s a good chance that you will drop some pounds if you follow the diet, especially if you are a type A. That’s because the amount of foods is so restricted on a lot of these plans, so those that follow the type O diet the closest are the least likely to lose weight unless they get the exercise required. Sticking to an almost completely vegetarian diet can be tough, though, especially if you are used to meat.

There have only been a handful of studies that have delved into the world of losing weight for your blood type. Overall, people saw an increase in their overall health, but didn’t see a significant amount of weight loss. Of course, the health numbers were going to improve since all of the diets get rid of junk that includes fried food and sugar. It’s also not the best for those that are diabetic or have a food allergy, as you may be restricted to foods that don’t help you in those categories.

Summing it Up


So is the Blood Type Diet the best plan out there? Not really, as there is not much scientific evidence at all behind the claims. However, it appears to be one of those diets that gives solid advice by using a strange new way of thinking to appeal to a larger audience. While promoting exercise and telling you to avoid junk food, it’s basically telling you the same thing that a lot of diets are while telling you that you’re blood type has been the culprit behind any previous weight gain you may have had.

For that reason, we can’t really say that it’s a bad diet. You might have a tough time adjusting to some of the eating plans, but anything that actually promotes daily activity and eating whole foods is going to get some good marks. We’re conflicted because of the idea behind it seems a little farfetched, but the Blood Type Diet does more good than harm, overall.