You’re eating carefully. You’re exercising. But the weight keeps going up, or simply will not shift no matter what you do. Your doctor ran a blood test and said your thyroid was fine. But something still doesn’t feel right.
Research suggests you may be right to question it.
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What Your Thyroid Does, Simply Put
Research describes the thyroid as a small gland at the base of your throat that produces hormones influencing the speed of almost everything in your body, how fast you burn energy, how quickly food moves through you, how warm you feel, and how clearly you think.
Studies show that when it’s working well, your body maintains a steady, balanced pace. Research suggests that when it slows, even slightly, the whole system slows with it. Digestion slows. Energy drops. Weight goes up. And studies show it can be very hard to shift, because the problem isn’t how you’re eating, it’s the rate at which your body is using energy.
What Research Shows About Thyroid Testing
Studies have shown that the standard thyroid test most GPs run, which checks a single hormone, does not always detect thyroid changes, particularly in their earlier stages.
Research published in the journal Thyroid found that a significant number of women with thyroid-related symptoms had hormone levels within the “normal” range but showed abnormalities on more detailed testing. Studies show this is because the standard test measures a signal from the brain to the thyroid, it doesn’t directly measure the thyroid hormones themselves.
Research also highlights a condition called Hashimoto’s thyroiditis, the most common cause of an underactive thyroid in women, where the immune system gradually affects the thyroid gland. Studies suggest this can be present and active for years before the standard test shows any change. The only way to detect it is to test for specific markers that the standard panel doesn’t include.
This is not a criticism of doctors, it’s a reflection of how standard testing works. Getting a more complete picture sometimes simply requires asking for additional tests.
What Research Links to Thyroid Health in Women
Studies point to several factors worth knowing about:
Chronic stress. Research shows that long-term stress may interfere with how the body converts thyroid hormones into the active form the cells can actually use, meaning the thyroid could be producing hormones normally, but those hormones aren’t reaching where they’re needed.
Nutrient gaps. Studies consistently show that the thyroid needs specific nutrients to function properly, particularly selenium and zinc. Research suggests that women under sustained pressure may not be getting enough of these from food alone.
Vitamin D. Research has found associations between low vitamin D levels and thyroid autoimmunity. In the UAE, this is one of the most straightforward things to test and address, a simple, inexpensive blood test followed by a supplement if levels are low.
Signs Worth Paying Attention To
The following symptoms, especially when several appear together, are associated in research with thyroid underfunction:
- Weight gain or difficulty losing weight despite genuine effort
- Tiredness that sleep doesn’t fix
- Feeling cold when others around you are warm
- Hair loss or thinning
- Dry skin, brittle nails
- Feeling mentally slow or forgetful
- Low mood without clear reason
- Sluggish digestion
None of these alone confirms anything, only proper testing does. But they are worth noting if weight has been a persistent issue despite a genuine effort.
What to Ask For When You Get Tested
In the UAE, you can book private blood tests without a GP referral. For a more complete picture of thyroid health, research suggests asking for:
- TSH (the standard test)
- Free T4 and Free T3 (the actual thyroid hormones)
- Thyroid antibodies (to check for the autoimmune pattern)
- Vitamin D
When you get your results, note the actual numbers, not just whether the report says “normal”. Studies show that optimal levels and minimum “normal” levels are not the same thing for how you feel.
For more on metabolism and weight, visit the Weight & Metabolism page.
One thing you can do today:
If you’ve had a thyroid test in the past year, check what was actually tested. If only one hormone level was measured, research suggests you may have an incomplete picture. Ask specifically about free T3, free T4, and thyroid antibodies.
Related reading
- Why you can’t lose weight in Dubai
- Why losing weight gets harder after 40
- Why the more you diet, the harder weight loss gets
- What research says about stress and weight gain
If you’d like support with this:
I work with women across Dubai and the GCC as a CNM Qualified Health Coach. If your weight has been unexplained and persistent, looking at the full thyroid picture is often where we find the missing piece. Learn more about working with me →
This article is for educational purposes only and does not constitute medical advice. If you have concerns about your health, please speak with your GP or a qualified medical professional.
