Episode Details

By Dr. Stephen Lewis, D.C.

One of the most common questions I hear from patients is:

“Why am I so tired all the time?”

Many people assume that low energy is simply a normal part of getting older. While aging can bring changes to the body, persistent fatigue is often a sign that something deeper deserves attention.

The challenge is that fatigue can have many potential causes. Taking random supplements or following generic health advice may not address the root issue. That’s why I encourage a simple approach:

Test. Don’t Guess. Get Answers.

Common Causes of Fatigue

Thyroid Imbalances

Your thyroid gland plays a critical role in regulating metabolism and energy production. If you’re experiencing fatigue, brain fog, weight gain, or feeling cold, our Thyroid Panel can provide valuable insight into thyroid function and other markers that may influence energy levels. When thyroid function is less than optimal, symptoms may include:

• Fatigue
• Brain fog
• Weight gain
• Feeling cold
• Dry skin
• Hair thinning

Many individuals are surprised to learn that evaluating thyroid health often requires looking beyond a single lab marker.

Nutrient Deficiencies

Your body relies on a variety of vitamins and minerals to convert food into usable energy, support cellular function, and maintain overall health. When key nutrients are lacking, fatigue, poor concentration, reduced stamina, and a general lack of energy can occur.

Some of the most common nutrient deficiencies associated with fatigue include:

• Vitamin B12
• Vitamin D
• Iron
• Magnesium

Ensuring adequate intake of these nutrients through a healthy diet and appropriate supplementation may help support optimal energy production and overall wellness. Many individuals choose a comprehensive multivitamin, such as Active Mega Multi, as part of their daily wellness routine to help support their nutritional foundation.

Hormonal Changes

Hormone fluctuations can significantly affect energy levels in both men and women.

Women may experience fatigue associated with:

• Perimenopause
• Menopause
• Estrogen imbalance
• Progesterone imbalance

Men may experience changes in energy levels related to declining testosterone production.

Blood Sugar Imbalances

Blood sugar fluctuations are often overlooked as a cause of fatigue.

Common signs may include:

• Afternoon energy crashes
• Sugar cravings
• Irritability when hungry
• Difficulty concentrating

When blood sugar is not well regulated, energy levels can rise and fall throughout the day.

Chronic Stress and Poor Sleep

Chronic stress affects multiple systems in the body, including sleep quality, hormone balance, digestion, a