Thyroid hormones regulate metabolism and key bodily functions, with evidence showing T4 conversion to T3 and reverse T3 impacts energy and health.
Original: Ep.15 - Thyroid Health Explained: Reclaiming Vitality with Elle Russ | Baby, Let's Talk! Podcast
TL;DR
Evidence supports thyroid hormones' central role in metabolism and symptom regulation, with mixed findings on reverse T3 and genetic factors.
Quick Answer
Thyroid dysfunction, particularly hypothyroidism, is often missed because doctors rely only on TSH and T4 tests, ignoring critical markers like free T3, reverse T3, and thyroid antibodies. Elle Russ, who suffered for seven years with undiagnosed hypothyroidism, discovered that optimal thyroid health requires a full panel: TSH, free T3, free T4, reverse T3, TPO antibodies, and thyroglobulin antibodies. She also found that nutrient deficiencies (iron, selenium, B12, vitamin D), gluten intake, stress, and poor sleep can impair T4-to-T3 conversion, leading to symptoms like fatigue, weight gain, hair loss, and depression—even when standard tests appear normal.
Claims (10)
1. When thyroid hormone levels are below the optimal range, the body's core metabolic processes slow down, which can result in widespread physiological dysfunction and a higher risk of death.
2. The thyroid gland produces hormones that influence multiple bodily functions including heart rate, body temperature, metabolism, digestion, mood, cognitive function, and sex hormone levels.
3. Low levels of iron in the body can reduce the production and effectiveness of thyroid hormones, which may cause symptoms like tiredness and difficulty thinking, even if the thyroid gland itself is working normally.
4. The thyroid hormone T4 is changed into a more active form called T3 in organs like the liver and kidneys through a biochemical process.
5. Thyroxine (T4) must be converted into triiodothyronine (T3) to become biologically active, and this conversion requires two specific enzymes called deiodinase type 1 and type 2. Changes in the genes that produce these enzymes can reduce the body's ability to activate thyroid hormone.
6. When thyroid hormone levels are low, the body's energy use slows down, leading to less fat burning, increased weight, constipation, and tiredness.
7. The thyroid hormone T4 can be converted into reverse T3, a molecule that binds to thyroid hormone receptors without activating them, which reduces the overall effect of active thyroid hormone on cells.
8. When there is too much thyroid hormone in the body, the rate at which the body uses energy increases, resulting in more frequent bowel movements, loss of body weight, and a higher body temperature.
9. Triiodothyronine (T3) increases the efficiency of mitochondria in producing ATP by raising oxygen use and glucose breakdown, resulting in more energy output with fewer byproducts.
10. When the body is in a state of low energy or extreme stress, it decreases the production of the active thyroid hormone T3 and increases the production of reverse T3, which is less active, to slow down metabolic processes.
Key Takeaways
- •Problem: Many people feel tired, gain weight, lose hair, or get depressed because their thyroid isn’t working right—but doctors often miss it by only checking one blood test.
- •Core methods: Get tested for TSH, free T3, free T4, reverse T3, TPO antibodies, and thyroglobulin antibodies; take selenium and iron supplements; eliminate gluten from your diet; eat a paleo/primal diet with meat, eggs, and vegetables.
- •How methods work: T3 is the active thyroid hormone your body needs to burn energy; reverse T3 blocks T3 and rises when you’re stressed or low in selenium; iron helps deliver thyroid hormone to cells; gluten tricks your immune system into attacking your thyroid if you have Hashimoto’s; a paleo diet keeps your blood sugar steady so your thyroid isn’t overwhelmed.
- •Expected outcomes: Increased energy, weight loss, improved mood, thicker hair, lower cholesterol, and resolution of brain fog and constipation.
- •Implementation timeframe: You may feel better in 4–8 weeks after fixing nutrients and diet, but full thyroid recovery can take 3 months or more—especially if you stop hormone replacement.
Overview
Thyroid health is central to metabolism, energy, mood, and hormonal balance, yet conventional medicine often misses hypothyroidism by testing only TSH and T4. The problem is systemic: doctors overlook free T3, reverse T3, and thyroid antibodies, leading to years of misdiagnosis and suffering. The solution requires a comprehensive approach: ordering a full thyroid panel (TSH, free T3, free T4, reverse T3, TPO, and thyroglobulin antibodies), correcting nutrient deficiencies (iron, selenium, B12, vitamin D), eliminating gluten to reduce autoimmune triggers, and adopting a paleo/primal diet to stabilize blood sugar and cortisol. This protocol enables accurate diagnosis and effective treatment, even for patients who have been told their labs are 'normal.'
Key Terms
How to Apply
- 1.Order a full thyroid blood panel including TSH, free T3, free T4, reverse T3, TPO antibodies, and thyroglobulin antibodies—do not take thyroid medication before the test, and get tested within 2–3 hours of waking up while fasting.
- 2.If your free T3 is low or reverse T3 is high, take 200–400 mcg of selenium daily in supplement form (not Brazil nuts) to improve T4-to-T3 conversion.
- 3.Check your ferritin (iron storage) level; if below 70 ng/mL, take an iron supplement with vitamin C and avoid calcium or coffee near the dose.
- 4.Eliminate all gluten-containing foods (wheat, barley, rye) from your diet for at least 8 weeks to reduce autoimmune attack on your thyroid if you have Hashimoto’s.
- 5.Switch to a paleo/primal diet: eat meat, fish, eggs, vegetables, nuts, and healthy fats; avoid grains, sugar, and seed oils to stabilize blood sugar and reduce inflammation.
- 6.Take vitamin D and B12 supplements if your levels are low (common in hypothyroid patients); aim for vitamin D above 50 ng/mL and B12 above 500 pg/mL.
- 7.Prioritize 7–9 hours of sleep per night and reduce chronic stress through rest, sunlight, and avoiding over-exercising.
Within 4–8 weeks, you should experience increased energy, improved mood, reduced brain fog, better digestion, and gradual weight loss. Hair loss should slow or reverse, and cholesterol levels should normalize. After 3 months of consistent protocol, many people can reduce or eliminate thyroid medication under medical supervision if their thyroid function recovers.
Claims (10)
1. When thyroid hormone levels are below the optimal range, the body's core metabolic processes slow down, which can result in widespread physiological dysfunction and a higher risk of death.
2. The thyroid gland produces hormones that influence multiple bodily functions including heart rate, body temperature, metabolism, digestion, mood, cognitive function, and sex hormone levels.
3. Low levels of iron in the body can reduce the production and effectiveness of thyroid hormones, which may cause symptoms like tiredness and difficulty thinking, even if the thyroid gland itself is working normally.
4. The thyroid hormone T4 is changed into a more active form called T3 in organs like the liver and kidneys through a biochemical process.
5. Thyroxine (T4) must be converted into triiodothyronine (T3) to become biologically active, and this conversion requires two specific enzymes called deiodinase type 1 and type 2. Changes in the genes that produce these enzymes can reduce the body's ability to activate thyroid hormone.
6. When thyroid hormone levels are low, the body's energy use slows down, leading to less fat burning, increased weight, constipation, and tiredness.
7. The thyroid hormone T4 can be converted into reverse T3, a molecule that binds to thyroid hormone receptors without activating them, which reduces the overall effect of active thyroid hormone on cells.
8. When there is too much thyroid hormone in the body, the rate at which the body uses energy increases, resulting in more frequent bowel movements, loss of body weight, and a higher body temperature.
9. Triiodothyronine (T3) increases the efficiency of mitochondria in producing ATP by raising oxygen use and glucose breakdown, resulting in more energy output with fewer byproducts.
10. When the body is in a state of low energy or extreme stress, it decreases the production of the active thyroid hormone T3 and increases the production of reverse T3, which is less active, to slow down metabolic processes.
Claims (10)
1. When thyroid hormone levels are below the optimal range, the body's core metabolic processes slow down, which can result in widespread physiological dysfunction and a higher risk of death.
2. The thyroid gland produces hormones that influence multiple bodily functions including heart rate, body temperature, metabolism, digestion, mood, cognitive function, and sex hormone levels.
3. Low levels of iron in the body can reduce the production and effectiveness of thyroid hormones, which may cause symptoms like tiredness and difficulty thinking, even if the thyroid gland itself is working normally.
4. The thyroid hormone T4 is changed into a more active form called T3 in organs like the liver and kidneys through a biochemical process.
5. Thyroxine (T4) must be converted into triiodothyronine (T3) to become biologically active, and this conversion requires two specific enzymes called deiodinase type 1 and type 2. Changes in the genes that produce these enzymes can reduce the body's ability to activate thyroid hormone.
6. When thyroid hormone levels are low, the body's energy use slows down, leading to less fat burning, increased weight, constipation, and tiredness.
7. The thyroid hormone T4 can be converted into reverse T3, a molecule that binds to thyroid hormone receptors without activating them, which reduces the overall effect of active thyroid hormone on cells.
8. When there is too much thyroid hormone in the body, the rate at which the body uses energy increases, resulting in more frequent bowel movements, loss of body weight, and a higher body temperature.
9. Triiodothyronine (T3) increases the efficiency of mitochondria in producing ATP by raising oxygen use and glucose breakdown, resulting in more energy output with fewer byproducts.
10. When the body is in a state of low energy or extreme stress, it decreases the production of the active thyroid hormone T3 and increases the production of reverse T3, which is less active, to slow down metabolic processes.
Related Content
Claims (10)
The thyroid gland produces hormones that influence multiple bodily functions including heart rate, body temperature, metabolism, digestion, mood, cognitive function, and sex hormone levels.
When thyroid hormone levels are low, the body's energy use slows down, leading to less fat burning, increased weight, constipation, and tiredness.
When thyroid hormone levels are below the optimal range, the body's core metabolic processes slow down, which can result in widespread physiological dysfunction and a higher risk of death.
Triiodothyronine (T3) increases the efficiency of mitochondria in producing ATP by raising oxygen use and glucose breakdown, resulting in more energy output with fewer byproducts.
The thyroid hormone T4 can be converted into reverse T3, a molecule that binds to thyroid hormone receptors without activating them, which reduces the overall effect of active thyroid hormone on cells.