Is your insulin high?

Maybe the problem is not just sugar — but a body that has been tired, overloaded, and trapped in “survival and storage mode” for years

Many people spend years dealing with:

  • fatigue after meals,
  • hunger shortly after eating,
  • cravings for sweets,
  • excess abdominal weight,
  • poor sleep,
  • low energy throughout the day,
  • or increasing difficulty losing weight,

while their laboratory results often still appear “almost normal.”

And yet, during that time, insulin has often been abnormal for years.

For a long time, insulin resistance was discussed almost exclusively through the lens of blood sugar and diabetes. However, modern research now shows that the story is much broader — and much more serious.

Elevated insulin levels often begin long before glucose moves outside the reference range. The body may compensate for years while, in the background, the following gradually develop:

  • chronic fatigue,
  • weight gain,
  • fatty liver,
  • increased hunger and sugar cravings,
  • inflammation,
  • sleep disturbances,
  • hormonal imbalance,
  • and even increased cardiovascular risk.

What is insulin resistance, really?

Insulin is a hormone that allows glucose from the bloodstream to enter cells and be used for energy.

When cells become less sensitive to insulin, the pancreas starts producing larger amounts of this hormone in order to keep blood sugar under control. This condition is called insulin resistance.

The problem is that chronically elevated insulin affects much more than glucose alone. It also influences:

  • fat storage,
  • appetite,
  • inflammation,
  • blood vessels,
  • hormones,
  • brain function,
  • energy levels,
  • and even biological aging.

The issue is that many people begin to see these symptoms as “normal”:

  • fatigue after meals,
  • dependence on coffee and sweets,
  • constant hunger,
  • daytime sleepiness,
  • or inability to lose weight despite repeated attempts.

Why are more and more people developing high insulin levels today?

Modern lifestyle practically pushes the body toward insulin resistance.

The most important contributing factors include:

  • ultra-processed foods,
  • excessive intake of refined carbohydrates,
  • physical inactivity,
  • chronic stress,
  • poor sleep,
  • excess visceral fat,
  • frequent snacking throughout the day,
  • and disrupted circadian rhythm.

As a result, the body enters a state of constant metabolic overload.

The problem is not only what we eat — but also how we live

One of the most important messages of modern research is that insulin resistance is not simply a “diet problem.”

The body does not respond only to calories — it also responds to:

That is why two people can eat almost the same foods yet have completely different metabolic responses.

Insulin resistance is often not a lack of discipline — but a sign that the body can no longer compensate for the lifestyle it has been exposed to for years.

Symptoms people often ignore

Insulin resistance often develops silently.

The most common signs may include:

  • fatigue after meals,
  • fatigue after meals,
  • constant hunger,
  • difficulty losing weight,
  • abdominal fat accumulation,
  • daytime sleepiness,
  • brain fog,
  • mood changes,
  • energy crashes during the day,
  • elevated triglycerides,
  • and fatty liver.

In some individuals, the very first signs may actually be:

  • exhaustion,
  • poor sleep,
  • or the feeling that the body is “no longer responding the way it used to,” despite efforts to eat healthier and live better.

In the next article, we will discuss how to naturally and sustainably lower insulin levels, improve insulin sensitivity, and help the body move out of “survival mode” and restore metabolic balance.

Source: Di Vincenzo, A., Busetto, L., Vettor, R., & Rossato, M. (2025). Targeting insulin resistance through nutrition: Pathophysiological insights and dietary interventions. Nutrients.
https://pmc.ncbi.nlm.nih.gov/articles/PMC13074555/