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Fatigue & low energy: where to start.

Tired on waking, the 2pm crash, running on caffeine. Energy is a systems problem — blood sugar, sleep, thyroid, iron, mitochondria — and the order you check them matters.

Where should I start?

Three steps, in order.

1Find the pattern

When the crash hits tells you where to look: after lunch (blood sugar), all afternoon (sleep, thyroid, iron), all day (labs first).

2Review the lab tests

Review the thyroid and nutrient test lists, including Free T3, ferritin, vitamin B12 and vitamin D, to discuss with your doctor.

Review the test lists →
3Follow the protocol

Heal Your Cells: The Mitochondrial Longevity Protocol

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The most useful reads

Read these first.

Expert interviews

From The Dr. Axe Show.

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Protocol

Heal Your Cells: The Mitochondrial Longevity Protocol

Heal Your Cells: The Mitochondrial Longevity Protocol

Heal Your Cells: The Mitochondrial Longevity Protocol

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One practical tool

Vitamin Advisor

Energy as a goal in; the seven supplements most worth considering out, with test-first markers.

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Common questions

Straight answers.

Why am I exhausted by 2pm every day?

Blood-sugar swings after lunch, poor sleep quality and mitochondrial stress are the usual three. Protein at breakfast, a walk after lunch and magnesium at night change most afternoons within a week.

Why is my ferritin low if my iron is normal?

Serum iron swings with meals; ferritin is the store. Low ferritin with normal iron is early depletion — find the cause (intake, absorption, loss) and replete gently.

Is adrenal fatigue real?

The adrenal glands rarely fail, but the cortisol rhythm absolutely can — flat mornings, wired nights. Test the rhythm, not one morning cortisol.

Visit preparation

Before a visit about fatigue

Tick what you have; bring the rest. Print this page for the appointment.

Other concerns

Start somewhere else.