• Energy and stamina concerns: fatigue, sleepiness, weakness or reduced physical endurance.
• Cognitive and mood changes: memory problems, trouble thinking clearly, low mood, irritability or feeling easily startled.
• Temperature sensitivity: difficulty tolerating cold or heat, or general heat intolerance.
• Skin, hair and nail changes: dry skin, brittle nails, dry cracked heels, excessive hair loss, thinning eyebrows or hoarse voice.
• Weight and metabolism concerns: gradual weight gain or difficulty managing weight.
• Sleep disturbances: insomnia, unrefreshing sleep or snoring.
• Digestive changes: constipation or slower bowel movements.
• Muscle and joint sensations: muscle weakness, cramps or generalised heaviness.
• Appetite or libido concerns: reduced sex drive or altered appetite patterns.
• Menstrual pattern changes in women: irregular or heavy periods or changes in monthly comfort.
• Clients under practitioner review for possible thyroid related imbalances.

The Essential Thyroid Profile measures thyroid stimulating hormone (TSH), free T3, free T4 and thyroid peroxidase (TPO) antibodies using a bloodspot sample. These markers offer practitioners a focused overview of thyroid related hormone patterns, including circulating hormone levels and the presence of thyroid specific antibodies.

Clinically, this assessment may be useful when exploring concerns such as changes in energy, cognitive function, weight patterns, temperature sensitivity, menstrual rhythm variations, or skin, hair and nail changes. Reviewing TSH alongside free T3 and free T4 provides insight into how thyroid hormone production and availability may relate to a client’s presentation, while TPO antibodies add context where immune activity involving the thyroid is under consideration.

Practitioners typically interpret these findings alongside health history, nutritional and lifestyle factors and any other relevant hormone or metabolic assessments. Used in this way, the Essential Thyroid Profile can support a broader understanding of thyroid related patterns and help inform practitioner discussions with clients.

Test type:

Hormonal: Thyroid function

Sample required:

Bloodspot

Requires a sample collected from pricking a finger and dropping blood on to a collection card. No phlebotomy service required. Patient can collect the sample themselves.

Average processing time:

10-14 days