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Symptom guide

Anxiety

Anxiety is a common condition that can cause a variety of physical and emotional symptoms. From a functional medicine perspective, anxiety is viewed as a symptom of an underlying issue in the body, rather than a condition in and of itself. In this article, we will explore the symptoms, causes, and treatments of anxiety from a functional medicine perspective.

Anxiety

Symptoms

  • Excessive worry or fear
  • Restlessness or agitation
  • Fatigue or weakness
  • Difficulty concentrating
  • Irritability or mood swings
  • Muscle tension or headaches
  • Sweating or trembling
  • Gastrointestinal issues such as nausea or diarrhea

Causes

  • Chronic stress and emotional trauma
  • Nutritional deficiencies
  • Hormonal imbalances
  • Environmental toxins
  • Genetic predisposition
  • Medical conditions such as thyroid dysfunction or adrenal fatigue

Treatments

  • Stress reduction techniques such as meditation or yoga

  • Dietary changes such as reducing sugar and caffeine intake and increasing consumption of whole foods

  • Nutritional supplementation with key nutrients such as magnesium, B vitamins, and omega-3 fatty acids

  • Balancing hormones through targeted supplementation or medication

  • Reducing exposure to environmental toxins

  • Addressing underlying inflammation or infection through targeted supplementation or medication

Our top pick for Anxiety

Curated tests that cover the relevant biomarkers.

Cortisol & DHEA Test (Medium)Lab Test

Cortisol & DHEA Test (Medium)

The GetTested Cortisol & DHEA Test (Medium) measures cortisol at four points from morning to evening, along with DHEA-S in the morning, using simple at-home saliva samples. Cortisol levels naturally fluctuate throughout the day, while DHEA plays a role in overall hormone balance. This test may be relevant when exploring stress, energy levels or symptoms such as fatigue. Results are delivered digitally within 3–5 days.

$219.00
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Cortisol & DHEA Test (Large)Lab Test

Cortisol & DHEA Test (Large)

The GetTested Cortisol and DHEA Test Large measures cortisol at six time points from morning to evening, including the cortisol awakening response, together with DHEA-S, using simple at-home saliva samples. The cortisol awakening response shows how cortisol rises during the first hour after waking, which can provide insight into morning activation, stress regulation and how the body starts the day. This extended profile provides a more detailed view of how cortisol changes throughout the day and in response to waking. It may be relevant when exploring stress, energy levels, difficulty waking, evening restlessness or symptoms such as fatigue. Results are delivered digitally within 3–5 days.

$259.00
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Neurotransmitter Test (Medium)Lab Test

Neurotransmitter Test (Medium)

GetTested’s Neurotransmitter Test (Medium) measures a wide range of neurotransmitters, including serotonin, dopamine, GABA, glutamate, histamine and glycine, using a simple at-home urine sample. It may be relevant when exploring symptoms such as low mood, stress, sleep issues or difficulties with focus and concentration. Samples are collected at home and sent to a laboratory for analysis, allowing for a private and convenient testing process.

$609.00
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Neurotransmitter Test (Small)Lab Test

Neurotransmitter Test (Small)

GetTested’s Neurotransmitter Test (Small) measures key neurotransmitters including serotonin, dopamine, GABA and glutamate using a simple at-home urine sample. It may be relevant when exploring symptoms such as low mood, stress, sleep issues or difficulty with focus and concentration. Samples are collected at home and sent to a laboratory for analysis, allowing for a private and convenient testing process.

$599.00
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When to see a doctor

At-home testing is a screening tool, not a diagnosis. If symptoms are severe, sudden, or worsening, contact a healthcare provider.

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At-home collection

Simple kits with step-by-step instructions.

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Generic packaging, tracked end-to-end.

Clinician-reviewed

Reports reviewed by qualified clinicians.

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Secure data handling, CLIA-certified labs.

Retest promise

Sample issue? We make it right.

Accredited labs

Processed in ISO 15189 / 17025 facilities.

Validated assays

Performance-tested against clinical references.

500,000+ customers

Trusted across Australia, the UK, EU and US.

At-home collection

Simple kits with step-by-step instructions.

Discreet shipping

Generic packaging, tracked end-to-end.

Clinician-reviewed

Reports reviewed by qualified clinicians.

CLIA-certified & secure

Secure data handling, CLIA-certified labs.

Retest promise

Sample issue? We make it right.

Frequently asked questions

Ready when you are

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