3 Things to Know About Blood Tests


Blood tests are used for various reasons. It can tell you almost anything about your health in nearly any part of your body. A common reason why people have blood tests is to determine the quality of their nutrition. This will help them determine where they need improvements. Here is some more information about having blood tests for nutritional benefits through Science Based Nutrition.

Why Have Blood Tests?

Blood is the primary transport system of the body. It can carry medicine, oxygen, and other nutrients around the body. The body has approximately five liters of blood constantly circulating to all parts. Since blood is carrying things around the body and blood tests can tell you what’s in your blood, these tests can tell you what in your body. They can also inform doctors of interior aspects that you can’t see from the outside, like blood sugar levels and nutritional status. With the use of blood tests, doctors can determine your overall health and what should be done to improve it.

How Blood is Taken

Since blood is constantly circulating everywhere, there are various ways in which blood can be taken from the body. This can come from the finger, artery, vein, or the bone marrow. Some of the ways that blood can be taken is through sticking the finger, dried blood samples, and drawn from the artery. However, the most common way that blood is taken is from the vein. This is where a needle will be inserted beneath the skin at the inside of the elbow.

After the Blood is Drawn

Once the blood is drawn, it will be placed into capsules and analyzed in a lab. It will then be placed into a centrifuge and spun until it separates. It will separate into plasma, buffy coat, and hematocrit. The plasma will tell you about water intake, proteins, nutrients, and hormones. The buffy coat will tell about white blood cells and platelets. The hematocrit will determine information about your red blood cells.

Since blood is constantly circulating around the body, it can tell you a lot about what’s going on inside. This can allow doctors to determine various information about your health and what can be done to improve it. Some of these are nutritional changes that can impact how you feel and your overall well-being. These are some of the things that you should know about using blood tests to improve your nutrition with Science Based Nutrition.

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