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Labs within 2 miles
Private, accurate & secure
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Match your main fatigue question to the right test

Each of these answers a different fatigue question — iron, thyroid, or wider chemistry.

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Fatigue blood test options measure patterns that are often useful to review when low energy persists, including red blood cell values, iron status, thyroid measurements, glucose, electrolytes, and cortisol or ACTH. Shoppers often compare a focused iron panel with an anemia profile, thyroid testing, or a panel that also includes metabolic measurements. Start by deciding whether your main question involves iron stores and blood counts, thyroid-related measurements, or a wider look at glucose, kidney filtration, liver enzymes, and electrolytes. Results are best considered alongside symptoms and medical history.

Reading measurements often considered with fatigue

Red blood cell count, hemoglobin, hematocrit, MCV, MCH, and RDW describe different aspects of circulating red cells. Ferritin reflects stored iron, while iron total, iron-binding capacity, and percent saturation help place iron availability alongside those stores. Folate and vitamin B12 are included in the Anemia Profile (Advanced) and support a fuller look at nutritional factors relevant to red-cell production. Thyroid Profile II (Comprehensive) measures TSH, total T4, T3 uptake, free T4 index, and total T3. Looking at these thyroid values together is more informative than treating one result as an explanation for fatigue. A clinician can relate results to symptoms and history.

When metabolic measurements add useful detail

Anemia Profile (Advanced) with CMP adds glucose, sodium, potassium, chloride, carbon dioxide, calcium, urea nitrogen, creatinine, eGFR, AST, ALT, alkaline phosphatase, bilirubin, albumin, globulin, and total protein to its blood-count and iron studies. That combination is useful when you want to review hydration- and electrolyte-related values, blood sugar, kidney filtration estimates, and liver-associated enzymes alongside red-cell findings. Creatinine is influenced by muscle mass, and eGFR is calculated using creatinine. Strenuous exercise can raise AST and ALT, so recent activity belongs in the interpretation. A single abnormal value does not establish why someone feels tired; patterns and repeat testing decisions require professional review.

Stress & Fatigue FAQ

A fatigue blood test often measures red blood cell values, iron status, thyroid-related hormones, or metabolic measurements because each addresses a different question. Hemoglobin and hematocrit describe oxygen-carrying red cells; ferritin and percent saturation describe iron stores and availability. TSH, T4, and T3 results assess thyroid signaling, while glucose, electrolytes, creatinine, and liver-associated enzymes add physiologic detail.

Ferritin reflects stored iron, whereas iron total reflects iron circulating in the blood at the time of collection. Iron-binding capacity and percent saturation help show the relationship between circulating iron and the protein capacity available to carry it. The Iron, Comprehensive Panel measures all four, making it more informative than an isolated iron total result when reviewing iron status.

Both anemia profiles measure blood counts, ferritin, iron total, iron-binding capacity, percent saturation, folate, vitamin B12, and reticulocyte values. Anemia Profile (Advanced) with CMP also measures glucose, electrolytes, calcium, protein measures, creatinine, eGFR, urea nitrogen, and liver-associated enzymes. That difference matters when low energy is being reviewed alongside metabolic or organ-function-related measurements.

Thyroid Profile II (Comprehensive) measures TSH, total T4, T3 uptake, free T4 index, and total T3. TSH reflects pituitary signaling to the thyroid, while the T4 and T3-related results provide additional information about circulating thyroid hormone measures. Thyroid results do not identify the cause of fatigue by themselves and should be reviewed with symptoms, history, and relevant medications.

The Comprehensive Wellness Panel includes a complete blood count, glucose, kidney filtration and liver-associated measurements, cholesterol and triglycerides, plus TSH, total T4, T3 uptake, and free T4 index. It includes iron total, iron-binding capacity, and percent saturation, but not ferritin, folate, vitamin B12, or reticulocyte measurements. An anemia profile supplies those additional red-cell and nutrient-related results.

The Adrenal Fatigue Basic Profile measures plasma ACTH and morning cortisol, two measurements involved in the body’s stress-response signaling. Cortisol varies during the day, which is why the listed cortisol measurement is specifically morning cortisol. These results are not a diagnosis of an adrenal disorder; timing, symptoms, and medical history are important for professional interpretation.

Recent strenuous exercise can raise AST and ALT, which are enzymes included in Anemia Profile (Advanced) with CMP. Creatinine is influenced by muscle mass, and eGFR is calculated from creatinine, so those results need to be read together rather than as standalone explanations for tiredness. Hydration status also influences several chemistry measurements, including electrolytes and urea nitrogen.

Professional review is important when fatigue is persistent, worsening, or accompanied by concerning symptoms, and it is especially useful for abnormal hemoglobin, ferritin, TSH, creatinine, or liver-enzyme results. A result can reflect more than one factor, including recent activity, hydration, nutrition, illness, or medication use. Urgent symptoms such as chest pain, severe shortness of breath, fainting, or new confusion need prompt medical attention.

Ordering & Results FAQ

You'll receive it via email within 60 seconds of your order unless it requires additional processing (only very complex orders do).

Many general wellness test results are typically available online within 2-3 business days. However, some tests will require additional processing time. You will immediately receive an email & SMS notification when your results are available.

We do not share your results with your physician, insurance company, or any other third party.

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