Why Am I So Tired All the Time? 5 Root Causes of Fatigue in Women

Fatigue Is Common — But Not Normal

If you’re asking yourself “Why am I so tired all the time?” — you’re not alone. Fatigue is one of the top complaints I hear from women in their 30s, 40s, and 50s. The problem is, conventional medicine often dismisses it as “just stress” or “just getting older.”

But here’s the truth: chronic fatigue is your body’s way of signaling something deeper is off. Let’s look at 5 of the most common root causes I see in practice.

1. Blood Sugar Imbalances

When your meals are heavy in refined carbs and low in protein, your blood sugar spikes and crashes — leaving you exhausted, irritable, and craving more sugar or caffeine.
👉 Solution: Focus on balanced meals with protein, healthy fats, and fiber at every meal.

2. Thyroid Dysfunction

Your thyroid is your body’s “metabolism regulator.” If it’s underactive, fatigue, weight gain, and brain fog often follow. Many women go years without proper thyroid testing.
👉 Solution: Ask for a full thyroid panel (not just TSH) and support with selenium, zinc, and iodine-rich foods.

3. Nutrient Deficiencies

Low levels of iron, B12, and magnesium can drain your energy. These deficiencies are common in women due to heavy periods, restrictive diets, or birth control use.
👉 Solution: Test and address deficiencies with targeted food and supplementation.

4. Hormone Imbalances

Fluctuating estrogen and progesterone during perimenopause can disrupt sleep, mood, and energy. Cortisol (your stress hormone) can also play a role if you’re running on empty.
👉 Solution: Track your cycle, support adrenal health with rest, and eat hormone-supportive foods.

5. Gut Health Issues

Poor digestion, hidden food sensitivities, or imbalances in gut bacteria can interfere with nutrient absorption and leave you dragging.
👉 Solution: Support your gut with fiber, fermented foods, and stool testing if needed.

Bottom Line

Fatigue is a signal — not something you should just push through. By uncovering the root cause, you can restore your energy and start feeling like yourself again.

👉 Want personalized help uncovering your root cause of fatigue? Book a nutrition consultation with me today