Doctor palpating a woman's thyroid gland

✦ Women's Health

Thethyroidtheymissed.

Fatigue that won't budge, weight that won't shift, hair falling, always cold. These are thyroid symptoms. Most women with them have been told their labs are normal.

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Vintage anatomical illustration of the thyroid gland

✦ The pattern

“TSH alone tells you whether your thyroid is alive. It doesn't tell you whether it's working well for you.”

Thyroid disease is the most common hormonal condition in women, and the most commonly under-treated. Standard screening uses TSH — a pituitary signal, not a direct measure of thyroid hormone activity. Women can feel miserable with a TSH in range, particularly if free T3 is low, conversion is impaired, or Hashimoto's antibodies are driving an autoimmune attack.

I run a full thyroid panel on almost every new female patient, because what I find consistently is the partial picture: a managed TSH with low free T3, Hashimoto's antibodies nobody checked for, selenium and iron deficiency impairing conversion. These are fixable. The fatigue, the weight, the fog — none of it has to be permanent.

✦ Worth knowing

Three things to hold onto.

TSH is a screening tool, not a diagnosis

A normal TSH can coexist with low free T3, poor conversion, or active Hashimoto's. The full picture requires free T4, free T3, reverse T3, and TPO/TgAb antibodies.

Hashimoto's is the most common cause

Most hypothyroidism in women is autoimmune. Antibodies can drive symptoms for years before TSH shifts. Treating the immune pattern — not just the number — changes the trajectory.

Conversion matters as much as production

Your body converts T4 to the active T3 in tissues. Chronic stress, low iron, low selenium, inflammation and caloric restriction all impair that conversion. T4 medication alone can't fix a conversion problem.

✦ The work

How I think about thyroid optimization.

What a full thyroid work-up looks like

TSH, free T4, free T3, reverse T3, TPO antibodies, thyroglobulin antibodies. Alongside: ferritin (iron is essential for thyroid peroxidase activity), selenium, zinc, vitamin D, fasting glucose and insulin, a full inflammatory picture. When Hashimoto's is present, gut permeability and food sensitivities are part of the assessment — the autoimmune trigger almost always runs through the gut.

When medication is the right move

When free T3 is low and symptoms are clear, thyroid hormone support is often the missing piece. I use T4-only (levothyroxine) when conversion is intact, and compounded T4/T3 combinations when it isn't. I monitor to symptoms and to labs together — not just to TSH suppression.

The non-prescription work

Selenium and zinc for conversion and antibody reduction. Iodine cautiously, and only when deficiency is confirmed. Iron repletion when ferritin is low. An anti-inflammatory protocol and gut repair when Hashimoto's is active. Stress management, because cortisol suppresses TSH and impairs T4-to-T3 conversion directly.

✦ How I'd work with you

Considered.
Tested.
Re-tested.

I test thoroughly, treat to symptoms as well as labs, and recheck every 6–12 weeks until stable. Most patients see meaningful improvement in energy, weight, temperature regulation, and cognition within three months of getting the protocol right.

Therapies I'd likely use

Functional lab testing Bioidentical hormones Digestion & the gut IV & injection therapy

✦ Common questions

You're probably wondering.

My TSH is normal but I feel terrible. Can you still help?

Yes, and this is one of the most common presentations I see. A normal TSH doesn't rule out thyroid dysfunction — it rules out the most severe form of it. Free T3, reverse T3, and antibodies tell a more complete story.

I'm already on levothyroxine but still feel off. What now?

Levothyroxine is T4-only. If you're not converting it well to active T3, you'll still feel hypothyroid despite normal-looking labs. Adding T3 — as compounded T4/T3 or liothyronine — often makes a significant difference. So does optimizing ferritin, selenium, and inflammation.

How do I know if I have Hashimoto's?

TPO and thyroglobulin antibodies aren't included in standard thyroid panels at most labs. If your symptoms are real but your TSH is in range, Hashimoto's is high on my list. It's a treatable condition, particularly when we address the gut and immune drivers alongside the thyroid itself.