Is Your Thyroid Affecting Your Health?
Why Thyroid Testing Matters More Than You Think

Your thyroid might be small, but it has a powerful impact on your overall health. Located at the base of your neck, this butterfly-shaped gland helps regulate your metabolism, energy levels, mood, weight, and even heart function.
When your thyroid is not working properly, it can lead to a wide range of symptoms — many of which are easy to dismiss as stress or fatigue. That’s why thyroid blood testing is such an important step in maintaining your well-being.
What Does the Thyroid Do?
Your thyroid produces hormones (T3 and T4) that control how your body uses energy. It communicates with your brain and other organs to keep everything running smoothly — from your digestion and heart rate to your skin and sleep patterns.
Signs of a Thyroid Imbalance
If your thyroid is underactive (hypothyroidism) or overactive (hyperthyroidism), you may experience a range of symptoms:
Common signs of an underactive thyroid (hypothyroidism):
- Fatigue and sluggishness
- Unexplained weight gain
- Feeling cold often
- Constipation
- Depression or brain fog
- Dry skin or thinning hair
Common signs of an overactive thyroid (hyperthyroidism):
- Rapid heartbeat or palpitations
- Unexplained weight loss
- Feeling hot or sweaty
- Irritability or anxiety
- Difficulty sleeping
- Muscle weakness or tremors
These symptoms can develop slowly and be mistaken for other conditions, which is why testing is so important.
What is a Thyroid Function Test?
A thyroid function test is a simple blood test that measures how well your thyroid is working. At Care Lab, we check your levels of:
- TSH (Thyroid-Stimulating Hormone) – tells your thyroid to produce more hormones
- Free T3 and T4 – the main hormones produced by your thyroid
- Thyroid antibodies (if needed) – to check for autoimmune thyroid conditions like Hashimoto’s or Graves’ disease
Why Test Your Thyroid?
You should consider thyroid testing if:
- You have any of the symptoms listed above
- You have a family history of thyroid disease
- You are over 35 or pregnant
- You’re experiencing irregular periods or fertility challenges
- You’re managing another chronic condition, like diabetes or PCOS
Early detection and proper diagnosis can help you get the treatment you need — and feel better, faster.
Thyroid Testing at Care Lab
At Care Lab, we make it easy to get the answers you need. With fast, confidential testing and no appointment required, we’re here to help you take control of your health.
📍 Visit us at:
• 13 Carlos Street, Woodbrook
• Aranguez Plaza, Aranguez
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