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Hashimoto's Thyroiditis: What 7 Functional Medicine Practitioners Actually Discuss

Synthesized from 130+ practitioner publications across our research index. Gabriel analyzes what leading health experts write about Hashimoto's management, including supplement protocols, nutrient considerations, and lifestyle factors.
7
Practitioners Indexed
23
Articles Analyzed
12
Supplements Discussed
4
Protocol Patterns

What Practitioners Write About Hashimoto's

Hashimoto's thyroiditis is the most common autoimmune condition in the United States, affecting an estimated 14 million Americans. It's characterized by the immune system attacking the thyroid gland, leading to hypothyroidism, fatigue, weight gain, brain fog, and cold sensitivity.

Across our index of 130+ practitioner publications, a consistent pattern emerges: functional medicine practitioners approach Hashimoto's not just as a thyroid problem, but as an immune system problem. The supplement protocols they discuss reflect this - focusing on immune modulation, gut health, and targeted nutrient repletion rather than thyroid hormone replacement alone.

Practitioners Who Write About This

IW
Dr. Isabella Wentz, PharmD
Thyroid Pharmacist · Author of Hashimoto's Protocol
Dr. Wentz discusses selenium's role in reducing TPO antibodies and writes extensively about the gut-thyroid connection, noting that 70% of the immune system resides in the gut.
Source: Thyroid Nutrients That Matter (Substack, 2025)
DK
Dr. Datis Kharrazian, DHSc
Functional Neurology · Harvard Medical School
Dr. Kharrazian writes about the neuroimmune mechanisms behind Hashimoto's, discussing how vitamin D deficiency and glutathione depletion contribute to immune dysregulation in thyroid autoimmunity.
Source: Why Do I Still Have Thyroid Symptoms? (Publication, 2023)
MH
Dr. Mark Hyman, MD
Functional Medicine · Cleveland Clinic
Dr. Hyman notes the connection between gluten sensitivity and Hashimoto's, discussing how molecular mimicry between gliadin and thyroid tissue can perpetuate the autoimmune response.
Source: The Hidden Thyroid Epidemic (Substack, 2025)
AN
Dr. Amy Myers, MD
Functional Medicine · Austin UltraHealth
Dr. Myers discusses the role of zinc and selenium as cofactors in thyroid hormone conversion (T4 to T3), writing about how deficiency in these minerals is common and often overlooked in standard thyroid panels.
Source: The Thyroid Connection (Substack, 2024)

Also discussed by: Dr. Jolene Brighten, Dr. Will Cole, Dr. David Perlmutter

Supplements Discussed for Hashimoto's

The following supplements are discussed by multiple practitioners in the context of Hashimoto's management. Gabriel does not claim these treat or cure any condition.

Selenium
Selenomethionine · 200mcg
Discussed in the context of TPO antibody reduction. Multiple practitioners write about selenium as a foundational nutrient for thyroid autoimmunity.
Gabriel Score: 94 6 practitioners
Browse selenium products →
Vitamin D3
Cholecalciferol · 5000 IU
Discussed as an immune modulator. Dr. Kharrazian notes that vitamin D receptor polymorphisms are common in Hashimoto's patients.
Gabriel Score: 96 5 practitioners
Browse vitamin D products →
Zinc
Zinc Picolinate · 30mg
Discussed as a cofactor in T4-to-T3 conversion. Dr. Myers writes about zinc deficiency being underdiagnosed in hypothyroid patients.
Gabriel Score: 91 4 practitioners
Browse zinc products →
Ashwagandha
KSM-66 · 600mg
Discussed for thyroid hormone support and stress-mediated immune activation. Dr. Wentz notes its adaptogenic properties in the context of HPA axis dysfunction.
Gabriel Score: 89 4 practitioners
Browse ashwagandha products →
L-Glutamine
Powder · 5g
Discussed in the context of intestinal permeability. Multiple practitioners write about gut repair as foundational to managing autoimmune thyroid conditions.
Gabriel Score: 87 3 practitioners
Browse L-glutamine products →
Probiotics
Multi-strain · 50B CFU
Discussed for microbiome restoration. Dr. Hyman writes about the gut-thyroid axis and how dysbiosis contributes to immune dysregulation in Hashimoto's.
Gabriel Score: 92 5 practitioners
Browse probiotic products →

Common Protocol Pattern

Based on our analysis of practitioner publications, this pattern appears across multiple sources. This is not medical advice.

Hashimoto's Foundation Protocol (Practitioner Consensus)
1
Selenium 200mcg daily - Discussed by 6/7 practitioners as foundational
2
Vitamin D3 5000 IU daily - Discussed by 5/7 practitioners, target 60-80 ng/mL
3
Zinc Picolinate 30mg daily - Discussed by 4/7 practitioners for T4-to-T3 conversion
4
Probiotic 50B CFU daily - Discussed by 5/7 practitioners for gut-immune axis
5
Ashwagandha KSM-66 600mg daily - Discussed by 4/7 practitioners for adaptogenic thyroid support
Gabriel synthesizes publicly available research and practitioner commentary for educational purposes. This page does not constitute medical advice. Cited practitioners are not affiliated with, employed by, or endorsing Gabriel or any products listed here. Always consult your healthcare provider before starting any supplement protocol.