How does intermittent fasting affect insulin levels and blood sugar control?
Intermittent fasting can have a positive impact on insulin levels and blood sugar control. By observing periods of fasting, the body’s insulin sensitivity can improve, helping to regulate blood sugar levels more effectively. This can lead to lower insulin resistance and reduced risk of gestational diabetes, type 2 diabetes, and obesity-related complications.
Long answer
Intermittent fasting refers to various eating patterns that alternate between periods of fasting and regular eating. It can involve daily time-restricted feeding (such as the popular 16/8 method) or longer fasts like alternate-day or periodic fasting.
Research suggests that intermittent fasting can enhance insulin sensitivity and blood sugar control. During the fasting period, the body exhausts its immediate glucose stores and starts using stored fat for energy. Consequently, this leads to a decrease in circulating blood glucose levels. As a result, the body becomes more efficient in utilizing insulin, leading to improved insulin sensitivity.
Intermittent fasting has been shown to reduce insulin resistance in individuals with obesity as well as those with prediabetes and type 2 diabetes. Lowering insulin resistance helps in maintaining stable blood sugar levels and prevents sharp spikes followed by drops in glucose concentrations.
Moreover, intermittent fasting triggers cellular repair processes such as autophagy (cellular waste removal), which may support healthier pancreatic function by eliminating dysfunctional cells that contribute to impaired blood sugar regulation.
Nevertheless, it is important to note that individual responses to intermittent fasting may vary depending on factors such as overall health status, genetics, age, and lifestyle choices. It is advisable for individuals with specific health conditions or concerns related to blood sugar control to consult a healthcare professional before embarking on any significant dietary changes like intermittent fasting.