THYROID DYSFUNCTION

Your Thyroid Isn't the Problem. The Approach Is!

If you've been told your thyroid is "normal" — but you're still exhausted, gaining weight despite doing everything right, losing hair, freezing cold when everyone else is

comfortable, and struggling to think clearly — your thyroid may very well be the issue.

The problem isn't your thyroid. It's a testing approach that misses most of what's

actually happening.

Get Started Today

If you've been told your thyroid is fine but

you experience several of these — it's

worth a complete look.

📍 In-person: Urbandale, Iowa (serving

greater Des Moines) 

💻 Telehealth: Available nationwide

The TSH Problem

The standard of care for thyroid assessment is a single marker: TSH (thyroid stimulating

hormone). It measures a signal from your brain, not what your thyroid is actually

producing or what your cells are actually receiving and using.

Millions of people are walking around with significant thyroid dysfunction that a TSH test

will never catch.

Dr. Richmond runs a complete thyroid panel — because a single number never tells the whole story:

  • TSH — the standard marker, but never the only one

  • Free T4 — the storage hormone your thyroid produces

  • Free T3 — the active hormone your cells actually use (most providers never

    test this)

  • Reverse T3 — a blocking molecule that accumulates under chronic stress and toxin

    exposure, preventing T3 from working even when levels look adequate

  • TPO Antibodies — to identify Hashimoto's, the most common cause of

    hypothyroidism and the one most frequently missed

  • Thyroglobulin Antibodies — a second antibody marker that can be elevated even

    when TPO is normal

  • Additional nutritional markers — iodine, selenium, zinc, and other cofactors

    essential for proper thyroid conversion and function

Why Thyroid Dysfunction Is Almost Never Just a Thyroid Problem

This is where Dr. Richmond's approach separates entirely from conventional

endocrinology and even most functional medicine providers.

The thyroid doesn't malfunction in a vacuum. In the vast majority of cases Dr. Richmond

sees, thyroid dysfunction is downstream of something else:

Mold and biotoxin exposure disrupts the hypothalamic-pituitary-thyroid axis and impairs conversion of T4 to the active T3.

Heavy metal toxicity — particularly mercury — directly damages thyroid tissue and

disrupts hormone production and receptor function.

Gut dysfunction impairs the conversion of T4 to T3 (roughly 20% of that conversion

happens in the gut) and drives the autoimmune activation behind Hashimoto's.

Chronic infections including Lyme and Epstein-Barr virus are directly implicated in autoimmune thyroid disease.

Chronic stress and adrenal dysregulation elevate Reverse T3 and functionally block

thyroid hormone from working at the cellular level.

Prescribing thyroid medication without addressing these root drivers is why so many

patients feel somewhat better but never fully well — and why others feel no improvement

at all.

What Real Thyroid Recovery Looks Like

Dr. Richmond addresses thyroid dysfunction as part of the complete Cellular Metabolix framework — identifying and resolving the upstream drivers while supporting thyroid

function directly. For some patients, this means medication is eventually no longer

needed. For others, it means the medication they're already on finally starts working the

way it should.

Either way, the goal is a thyroid that functions — not just a TSH that's in range.

Common Thyroid Symptoms Worth Investigating

  • Persistent fatigue even with adequate sleep

  • Unexplained weight gain or inability to lose weight

  • Hair thinning or loss (including eyebrows)

  • Cold intolerance — always cold when others aren't

  • Brain fog, slow thinking, memory problems

  • Depression and emotional flatness

  • Constipation and sluggish digestion

  • Dry skin, brittle nails

  • Low heart rate and low blood pressure

  • Puffiness, especially in the face and around the eyes

Frequently Asked Questions About Thyroid Dysfunction

Why do I feel hypothyroid when my TSH is normal?

TSH measures a signal from the brain to the thyroid — not what the thyroid is actually producing, or what the cells are actually receiving and using. Normal TSH can coexist

with significant thyroid dysfunction when Free T3 is low, Reverse T3 is high, or

antibodies are elevated. A patient can have a perfectly normal TSH while their cells

are functionally hypothyroid — a state that produces every classic hypothyroid

symptom while appearing completely normal on a standard thyroid screen. A

complete thyroid panel, not just TSH, is required to see the full picture.

What is Reverse T3 and why does it matter?

Reverse T3 (RT3) is an inactive form of thyroid hormone that the body produces from

T4. In normal physiology, the ratio of active T3 to Reverse T3 is balanced. Under

conditions of chronic stress, significant toxic burden, or prolonged illness, the body preferentially converts T4 into Reverse T3 rather than active T3 — creating a blocking

effect at thyroid receptor sites. Even when Free T3 levels look adequate, high Reverse

T3 prevents that T3 from binding to receptors and doing its job. The result is

functional hypothyroidism — all the symptoms, none of the abnormal TSH. Reverse T3

is almost never tested in standard thyroid panels.

What is Hashimoto's thyroiditis and how is it diagnosed?

Hashimoto's thyroiditis is an autoimmune condition in which the immune system

produces antibodies that attack thyroid tissue — and it is the most common cause of hypothyroidism in the developed world. It is diagnosed by measuring two antibody markers: TPO antibodies (thyroid peroxidase) and TG antibodies (thyroglobulin).

Many patients have Hashimoto's with normal TSH — the antibody attack on thyroid

tissue can be active and progressing for years before TSH becomes abnormal.

Standard thyroid screening that includes only TSH misses Hashimoto's entirely until

late-stage damage has occurred.

Can mold illness cause thyroid problems?

Yes. Mold biotoxins disrupt the hypothalamic-pituitary-thyroid axis — the signaling

chain that regulates thyroid hormone production. They impair the conversion of

inactive T4 into the active T3 form, directly increasing Reverse T3. They suppress

pituitary TSH output in ways that make TSH an unreliable indicator of thyroid status.

And the chronic inflammation driven by mold illness is a direct trigger for the

autoimmune activation that causes Hashimoto's. Patients with significant mold

burden frequently have thyroid dysfunction that resolves — or significantly improves

— as the biotoxin burden is cleared.

Can heavy metals affect thyroid function?

Yes — particularly mercury. Mercury has a documented affinity for thyroid tissue and directly damages thyroid cells. It mimics iodine structurally, competing for thyroid

receptor sites and disrupting hormone production. Mercury exposure is also a direct

trigger for autoimmune thyroid disease — multiple studies have identified

associations between mercury burden and elevated TPO antibodies. Lead, cadmium,

and other heavy metals have similar thyroid-disrupting effects through different mechanisms. Addressing heavy metal burden — particularly amalgam dental fillings

as an ongoing mercury source — is frequently an important part of thyroid recovery.

Why isn't my thyroid medication working?

Thyroid medication (T4 replacement like levothyroxine) can fail to produce symptom

relief for several reasons. If Reverse T3 is elevated, the T4 in the medication is being converted to Reverse T3 rather than active T3 — replacing T4 compounds the

problem. If the root cause of thyroid dysfunction is active mold or heavy metal

burden, the medication is treating a downstream marker while the upstream driver continues. If gut function is impaired, thyroid medication may not be absorbed

effectively. And if adrenal dysfunction is present, the body cannot effectively respond

to thyroid hormone even when levels are adequate. Identifying which of these

mechanisms is at play requires the complete assessment — not a dose adjustment.

Do I need thyroid medication forever?

Not necessarily — and this depends significantly on what is driving the dysfunction.

Patients with Hashimoto's whose autoimmune activity is driven by treatable root

causes (mold, heavy metals, gut permeability, chronic infection) frequently see

antibody levels decrease and thyroid function improve as those root causes are addressed. Some patients are able to reduce or discontinue medication under their prescribing physician's guidance as their thyroid recovers. Others continue

medication at lower doses. The goal is not medication elimination for its own sake —

it is a thyroid that functions as well as it can in a restored cellular environment.

What nutrients does the thyroid need to function?

The thyroid requires several specific nutrients for normal hormone production and conversion. Iodine is the raw material for thyroid hormone synthesis — but

supplementing iodine without adequate selenium can exacerbate Hashimoto's autoimmunity. Selenium is essential for the conversion of T4 to active T3 and for the antioxidant protection of thyroid tissue. Zinc supports thyroid hormone synthesis and receptor function. Magnesium is required for numerous thyroid-related enzymatic processes. Iron deficiency impairs thyroid peroxidase activity. Assessing and

addressing these nutritional cofactors is part of the complete thyroid picture at

Thrive Health.

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