Training While Fasting: How to Avoid Insulin Resistance- Thomas DeLauer

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Training While Fasting: How to Avoid Insulin Resistance- Thomas DeLauer…
Insulin Overview:
Insulin is a hormone made in the pancreas and the pancreas contains groups of cells called islets - Beta cells within the islets make insulin and release it into the blood. Insulin plays a major role in metabolism - The digestive tract breaks down carbs into glucose. Insulin helps cells throughout the body absorb glucose and use it for energy. Insulin helps muscle, fat, and liver cells absorb glucose from the bloodstream, lowering blood glucose levels. Glucose levels are tightly controlled by insulin so that the rate of glucose production by the liver is matched by the rate of use by the cells. Insulin helps muscle, fat, and liver cells absorb glucose from the bloodstream, lowering blood glucose levels (allows glucose, amino acids, and creatine to enter the muscles) Insulin stimulates the liver and muscle tissue to store excess glucose (1)
Insulin Resistance:
In insulin resistance, muscle, fat and liver cells do not respond properly to insulin and cannot easily absorb glucose from the bloodstream - the body has to produce higher amounts to keep the blood glucose levels within a normal range. In other words, a person's body won’t be producing enough insulin to meet their needs because the body’s cells have become resistant to insulin. The cells aren’t as responsive to insulin and don’t “allow” enough glucose from the blood into the cells - Glucose remains in the bloodstream, causing high blood glucose levels.
Study:
A study published in the Journal of Diabetes and its Complications looked at the prevalence of insulin resistance in the United States during the periods 1988 -1994 and 1999-2002 - Found that 32.2% of the US population may be insulin resistant.
Main Cause of Insulin Resistance:
Insulin is released when the body has just been fed, which halts the body's burning of stored fat - also works on fat cells similar to how it works on muscle cells, opens them up for storage. This may be caused by fatty acid metabolites building up inside muscle cells, termed “intramyocellular fat” that disrupts the signaling pathways needed for insulin to work. Insulin is closely associated with obesity and weight gain, but it can also result in prediabetes and type 2 diabetes. (3)
Insulin Sensitivity:
When insulin is lowered, your body does not get the message to replenish fat and glycogen - means you are insulin sensitive and your body only requires a small amount of insulin in order to deposit glucose to your cells. Not only does insulin sensitivity promote weight loss, it also promotes healthy brain, artery, and pancreatic cells as they are no longer exposed to high levels of blood sugar for an elongated period of time. High blood pressure (which can result from insulin resistance) puts strain on your heart, increasing your risk of angina, hypertension, coronary artery disease, heart attack and heart failure.
Ways to Reduce Insulin Resistance:
- Lower your caloric intake (and carbs)
- Exercise that burns glycogen and leaves your muscles empty (fasted training a +)
- I.F. and Ketosis
Magnesium:
Magnesium improve and helps correct insulin sensitivity because an intracellular enzyme, called tyrosine kinase, requires magnesium to allow insulin to exert its blood-sugar-lowering effects.
Study measured magnesium effects in non-diabetics with metabolic syndrome. Doctors followed 234 participants with three of five metabolic syndrome symptoms; abdominal obesity, high blood pressure or high fasting blood sugar, high triglycerides or low levels of HDL. After 12 months, only one in four met the recommended daily allowance for magnesium which ranges from 320 mg to 420 mg per day. Compared to those who got the least, those who got the most magnesium were 71 percent less likely to have insulin resistance.

References:
1) Prediabetes & Insulin Resistance | NIDDK. (n.d.). Retrieved from https://www.niddk.nih.gov/health-information/diabetes/overview/what-is-diabetes/prediabetes-insulin-resistance

2) Prevalence and trends of insulin resistance, impaired fasting glucose, and diabetes. - PubMed - NCBI. (n.d.). Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/17967708

3) Insulin and Insulin Resistance - The Ultimate Guide. (n.d.). Retrieved from http://www.healthline.com/nutrition/insulin-and-insulin-resistance

4) Magnesium improved insulin sensitivity - Nutrition Express Articles. (n.d.). Retrieved from https://www.nutritionexpress.com/article+index/vitamins+supplements+a-z/magnesium/showarticle.aspx?id=2029

5) Reversing Insulin Resistance - The Insulin Magnesium Story. (n.d.). Retrieved from http://drsircus.com/diabetes/reversing-insulin-resistance-the-insulin-magnesium-story/

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