Thyroid Premium Silver

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Delivery average 3-4 working days
Turnaround Time 2 Working Days
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GP Referral Included
Doctor will pass comment on your results
Results sent via Email
Our Essential Thyroid Premium Silver (was Thyroid Check PLUS SIX) includes the classically tested components of thyroid function - TSH, T4, free T3, free T4, Thyroid Peroxidase Antibodies, Thyroglobulin Antibodies, Cortisol + Magnesium - for an in depth analysis of your thyroid function.

Is this blood test right for you?

Do you want to find out more about your thyroid health? Do you have symptoms affecting your mood, energy levels, skin and hair quality? If you're looking for a Essential Thyroid check then this is the test for you!


What tests are included in this profile?

Thyroid Antibodies, so is useful when investigating autoimmune thyroiditis. It also includes the standard TSH, T4, free T3, free T4, Cortisol + Magnesium.


Blood Test Explained

Please see below for a breakdown of test information, click each tab to find out more.

Thyroid related blood testing

TSH (thyroid stimulating hormone) is a hormone manufactured in the pituitary gland (found in the brain). It s role is to stimulate thyroxine production in the thyroid gland (found in the neck). A high level within a health screening is associated with an underactive thyroid gland (hypothyroidism) and a low level is found if the thyroid gland is over-active (hyperthyroidism). Changes in the TSH level alone can indicate underlying thyroid problems even if the thyroxine levels are normal.

Free T4 (free thyroxine) is the active form of thyroxine, released from the thyroid gland in the neck. Its role is to control metabolism - release of energy from all cells of the body. A lack of thyroxine leads to, for example, tiredness and weight gain, whereas an excess will lead to weight loss, rapid heart rate and anxiety. It is generally believed that this level (FT4) is the most reliable indicator of thyroid status - ie whether the gland is over-active (hyperthyroidism) or underactive (hypothyroidism).

Total T4 A Total T4 measurement measures ALL of the T4 hormone – bound and free. Most endocrinologists find “Free T4” more useful, but we still include T4 in this profile as some doctors still specifically request it when investigating thyroid function.

Free T3 (Free Triiodothyronine) - This is one of two hormones produced by the thyroid gland. This measures the level of T3 that is 'free' and is able to regulate metabolism.

Thyroglobulin Thyroglobulin is around half of the protein content for the Thyroid gland, which is used to store T4 and T3 Thyroid hormone molecules in the Thyroid. Conditions such as hyperthyroidism, Thyroiditis or goitre will cause an elevation of the serum Thyroglobulin. The main purpose of this testing is to indicate as a tumour marker for monitoring patients with differentiated thyroid cancer after a total thyroidectomy.

Thyroid Peroxidase Antibodies This is an enzyme found in the thyroid gland mostly. This allows the production of thyroid hormones.

Cortisol As Cortisol decreases TSH, thereby decreasing thyroid hormone production, as well as inhibiting T4 to T3 conversion, measuring Cortisol is important and is now included in all Blue Horizon postal Thyroid Profiles.

Magnesium Magnesium is very important and relates to the Thyroid gland in many ways, in fact the thyroid cannot function without magnesium as it is responsible for helping make more T4 within the Thyroid gland. It also helps in converting inactive T4 into an active form of T3, this allows the metabolism of body cells which are enhanced by T3 (unlike inactive T4).

A deficiency in Magnesium has also been linked to goiter and/or enlarged thyroid gland.
Hyperthyroid symptoms
Weight loss with increased appetite
Warm/clammy skin
Shortness/loss of breath
Feeling warm and sweating excessively
Feeling hyperactive
Rapid heartbeat
Insomnia
Osteoporosis
Raised libido
Irregular bowel movements
Diarrhoea
Thin hair
Fertility problems
Irritability

Hypothyroid symptoms
Fatigue
Feeling cold constantly
Weight gain and/or difficulty losing weight
Brain fog
Issues with Breathlessness
Low basal temperature
Insomnia
Hair loss
Raised cholesterol
Low basal temperature
Dry hair and skin
Loss of libido
Constipation
Depression
Mood swings
Fertility problems

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