With so many diets and a lot of contradicting information, myths and lies the best way to know what´s true, what doesn´t, what work and what doesn´t is to understand how things work. This has been my focus for the last years understanding how things work, to get in shape and sustain it and for this hormones play an important role, one of those hormones is insulin.
Insulin is a hormone that is produced and secreted by the pancreas following the consumption of carbohydrates. When we consume carbohydrates, they are broken down into glucose which raises the amount of glucose in the bloodstream. The body cannot have a lot of glucose in the bloodstream so the pancreas secret insulin to take the excess of glucose from the bloodstream to the cells.
Carbohydrates are the primary trigger of insulin. Insulin blocks the utilization of fat as fuel and promotes its storage so when insulin is high fat is not burned, when insulin is low the body can break down triglycerides (stored fat) to be used as fuel.
When insulin is absent or the cells are not responding to it glucose is not used efficiently and therefore cannot be utilized for energy. Under these conditions carbohydrate consumption causes blood glucose levels to skyrocket.
Insulin is related to diabetes which is a common diseases that affects more and more people. Diabetes is a metabolic disorder that occurs when the hormone insulin is not working properly. There are two types of diabetes, type 1 and type 2. Millions of people are diagnosed and in treatment of one of this types while many others are undiagnosed.
Type 1 diabetes is when the pancreas which produces insulin cannot work efficiently resulting in insulin deficiency, with this lack of insulin the cells are unable to take up glucose, blood sugar is high but it cannot get into the cells. This type of diabetes is generally treated with insulin injections which provide the insulin that the body needs to take glucose out of the bloodstream.
Type 2 diabetes is when the pancreas is still able to secret insulin, but cells are unable to respond to insulin and therefore do not allow glucose to enter. This is known as insulin resistance, it is the opposite of insulin sensitivity in which insulin easily moves glucose into cells. Individuals whit type 2 diabetes should aim to improve their insulin resistance.
In insulin resistant cells do not respond efficiently to insulin´s signals to take up excess glucose, the pancreas secret more and more insulin to compensate for insulin resistance and manage blood glucose levels. Over time, this process leads to dysfunction and the pancreas is not able to secret insulin efficiently to maintain healthy levels of glucose in the bloodstream. Glucose then accumulates in the bloodstream which may lead to type 2 diabetes.
The hormone insulin is one of the most important when trying to lose fat and stay lean. Insulin resistance and insulin sensitivity will determine how efficient our body is at utilizing carbohydrates which can make our process simple or harder.
High levels of insulin for a long period of time is unhealthy and causes many health issues, every time we eat insulin gets high so one way to keep it low is following some type of fast, we can do this by reducing meals per day, instead of 5 meals per day try 2 meals. Another way we can keep insulin low is with a low carbohydrate diet, specially keto which is high in fats, moderate protein and low in carbohydrates since carbohydrates are the macro which spikes insulin.
High levels of insulin caused by unhealthy diets are the cause of most metabolic diseases so finding tools we can use to keep it low will give you amazing benefits.
In both type of diabetes and even when insulin injections and other drugs are the preferred treatment, I cannot stress enough the importance of making healthy life changes including exercise and nutrition.
The importance of a healthy lifestyle that includes daily exercise and a healthy diet have a positive impact on our life and daily activities preventing some diseases and leading to a more enjoyable and meaningful life.
Before you do any change to your diet and lifestyle talk with your doctor or health professional. We all know which unhealthy habits we follow and which healthy habits we need to develop but we still need some guidance and know what´s the best way to do it for each of us and they are the ones that can help us create a plan that works according to our own situation.
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