Check thyroid at home

What is thyroid function and why does it matter for overall health?

The thyroid is a small, butterfly-shaped gland in your neck that plays a big role in how your body functions. It regulates your metabolism by releasing thyroid hormones—mainly T3 (triiodothyronine) and T4 (thyroxine)—which influence energy levels, mood, temperature, weight, heart rate, and even fertility.

When your thyroid isn’t working as it should, the consequences ripple through your body. Underactive thyroid (often called low thyroid function) can cause fatigue, dry skin, brain fog, weight gain, and hair thinning. Overactive thyroid can lead to anxiety, trouble sleeping, a racing heart, and weight loss.

Identifying thyroid imbalances early is key, and thanks to home testing, you don’t need to wait for traditional clinical appointments. We test all key thyroid markers so you get the full thyroid picture.

Which symptoms signal low or high thyroid function at home?

Here are some signs that may suggest a thyroid imbalance:

• Persistent tiredness or sluggishness
• Feeling cold all the time
• Sudden weight gain or weight loss
• Constipation or frequent bowel movements
• Thinning hair or brittle nails
• Irregular or heavy menstrual cycles
• Depression or anxiety
• Difficulty concentrating (brain fog)
• Dry, flaky skin
• Fast or irregular heartbeat

These symptoms can overlap with other conditions, which is why advanced lab testing is essential to uncover the root cause.

What causes thyroid dysfunction and how can you trace it back?

Thyroid issues rarely appear without deeper imbalances. The root cause may stem from:

Autoimmunity
Many people with thyroid symptoms have autoimmune conditions like Hashimoto’s or Graves’ disease, which cause the body to attack its own thyroid gland.

Nutrient deficiencies
Low iodine, selenium, zinc, or vitamin D can impair thyroid hormone production or conversion.

Stress and adrenal dysfunction
Chronic stress can disrupt your cortisol rhythm, which in turn affects the thyroid’s ability to function optimally.

Hormonal shifts
Menopause, andropause, and contraceptive use can influence thyroid function.

Digestive issues
Poor gut health affects how nutrients are absorbed and how the immune system behaves.

Environmental exposure
Certain chemicals, moulds, and toxins can interfere with thyroid receptors or hormone signalling.

How do at-home thyroid tests work and what markers are measured?

You can now assess your thyroid from home using advanced functional lab testing. These kits are easy to use and come with detailed instructions. Typically, they involve a finger-prick blood sample sent to a certified lab.

Key markers often tested include:

• TSH (thyroid-stimulating hormone) – regulates hormone production
• Free T3 – the active form of thyroid hormone
• Free T4 – the storage form of thyroid hormone
• Thyroid antibodies (TPO and TGAb) – to identify autoimmune conditions like Hashimoto’s or Graves’

Cortisol rhythm and blood sugar levels are often tested alongside, since these play a significant role in thyroid health.

Check your thyroid in 60 seconds

This quick check helps you spot the signs of a potential thyroid imbalance. Just answer a few simple yes-or-no questions. It only takes a minute—and your answers could be the first step to feeling like yourself again.

Let’s get started.

How can you protect your thyroid naturally at home?

Small shifts in your daily routine can go a long way:

• Prioritise regular sleep and stress-reducing habits like breathwork or yoga
• Use adaptogens (like ashwagandha or rhodiola) to support adrenal health when cortisol is dysregulated
• Eat a diet rich in selenium (Brazil nuts), zinc (pumpkin seeds), and iodine (seaweed)
• Avoid overexercising if you’re already fatigued
• Support your gut with fibre-rich foods and fermented options
• Reduce exposure to hormone-disrupting chemicals (BPA, synthetic fragrances)
• Follow a Metabolic Typing Diet to regulate energy and weight

What are the best ways to support thyroid health over time?

When thyroid markers are out of balance, the most effective approach focuses on restoring hormonal balance from the inside out. That often includes:

• Targeted supplementation (based on lab results) to address deficiencies, healing the gut and erradicating pathogens.
• Nutrition tailored to your metabolic type and immune needs
• Using BHRT (bioidentical hormone support) in cases of disrupted sleep or hormonal decline
• Supporting adrenal health to regulate the thyroid-adrenal axis
• Consistent sleep, exercise, and blood sugar regulation

The goal is long-term balance, not short-term symptom relief.

How does Forbes.health help you manage thyroid function from home?

At Forbes.health, we do more than just spot symptoms—we uncover THE root cause. Our Functional Medicine Specialists guide you through:

• Functional lab testing you can do from home
• Personalised analysis of thyroid markers, cortisol rhythm
• Supplementation delivered to your door
• BHRT support for energy, sleep, and mood
• Regular health check-ins and progress tracking
• Nutrition and exercise plans designed around your needs
• Simple explanations of your results and what to do next

Everything is done from the comfort of your home. No waiting rooms, no vague advice—just targeted, science-backed care.