Hormones & Fertility

Thyroid Health

A small gland that sets your inner pace

Tucked at the base of your neck, the thyroid quietly sets the pace of almost every cell. Your genes help shape how it forms, how it is signaled and how the immune system treats it.

  • 13 genes analyzed
  • At-home saliva test
  • Results in 3–4 weeks

What is thyroid health?

The thyroid is a butterfly shaped gland that makes hormones controlling metabolism, the speed at which your body uses energy. These hormones influence heart rate, body temperature, digestion, energy, skin, hair and mood. The system is guided by the brain, which releases TSH to tell the thyroid when to produce more. Thyroid hormone is made using iodine from your diet and then converted into its active form in tissues throughout the body.

How your genes play a role

Genes influence the development of the thyroid gland, the enzymes that build its hormones and the receptor that receives TSH. Others relate to the immune system and are linked to how likely it may be to mistakenly target the thyroid, which is the basis of the most common thyroid conditions. Variants also affect how efficiently the body converts thyroid hormone into its active form.

Thyroid changes can be gradual and easy to dismiss as stress or tiredness. Understanding your genetic context may help you notice patterns sooner and ask more informed questions. It can be especially helpful if thyroid conditions run in your family. Combined with routine blood tests and a conversation with your clinician, it gives a fuller picture of this quiet but central gland.

What your report shows

Your Thyroid Health results are explained in plain language in your private EvoDNA account, alongside the other areas in your kit.

  • Hormone productionVariants in genes that build thyroid hormone inside the gland.
  • TSH signalingHow your TSH receptor gene may influence the thyroid's response to the brain.
  • Immune tendencyImmune related variants linked to autoimmune thyroid patterns.
  • Gland developmentGenes that guide how the thyroid forms and functions.
Sample reportHormones & Fertility
Thyroid Health13 genes analyzed
GeneWhat it doesResult
TPOMakes thyroid peroxidase, the enzyme that attaches iodine to…Typical
TGMakes thyroglobulin, the protein framework on which thyroid hormone…Moderate effect
TSHRCodes for the receptor that receives TSH, the brain's…Typical
What this means for you

Each result comes with a plain-language explanation and practical points to discuss with your clinician.

Illustration only. Your report reflects your own genetic results.

Genes we analyze

GeneRole
TPOMakes thyroid peroxidase, the enzyme that attaches iodine to build thyroid hormone.
TGMakes thyroglobulin, the protein framework on which thyroid hormone is assembled.
TSHRCodes for the receptor that receives TSH, the brain's signal to make more thyroid hormone.
FOXE1A gene that helps direct how the thyroid gland develops and functions.
PAX8Guides thyroid development and helps switch on genes needed for hormone production.
Full panel: 13 genes

TPO, TGAB, TSH, TSHR, TG, DEIODINASE, PRNP, HLA-DRB1, HLA-DQ2, HLA-DQ8, FOXE1, PAX8, TITF1

Putting results to use

Many people use their results as a starting point for conversations with their clinician about:

Iodine awareness

Iodine is essential for thyroid hormone, and both too little and too much are worth discussing with a clinician.

Selenium foods

Selenium supports thyroid enzymes, and foods such as fish and eggs are common sources.

Regular checks

Simple blood tests can track thyroid function, especially if it runs in your family.

Rest and recovery

Steady sleep and stress care support the brain signals that guide your thyroid.

Questions

Can my DNA tell me if my thyroid is working well?

No. A blood test is needed to measure current thyroid function. Your genes add context about tendencies, such as immune patterns or hormone production.

Do thyroid conditions run in families?

They often do, particularly autoimmune thyroid conditions. Your results can add to what you know about your family history.

What should I do with my results?

Share them with your clinician, who can decide whether any thyroid testing or follow up would be helpful for you.

Only interested in this area? The Thyroid & Metabolism Genetic Report is available on its own for $99.00.

Evo Blueprint

Evo Blueprint

Read your Thyroid Health genes, and 47 more areas

  • One painless saliva sample, collected at home
  • Clear, plain-language report for every area
  • Private and secure. Your data is never sold
  • Results in your EvoDNA account in 3–4 weeks

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This content is for educational purposes and is not medical advice. Genetic results describe tendencies, not diagnoses. Talk with a qualified healthcare professional before making changes to your health care.