THE SOURCE REGISTER
Trace the statement.
A source is a place to check a claim, not a seal of approval for an entire service. Each record shows its role and the articles that use it.
Prescription labeling
DailyMed: Synthroid levothyroxine sodium tablets, prescribing information revised February 2024 ↗
Checked 2026-09-27
Articles using this source
Prescription labeling
DailyMed: Tirosint levothyroxine sodium capsules, prescribing information revised October 2022; record updated March 2026 ↗
Checked 2026-09-27
Manufacturer information
Synthroid: official manufacturer website ↗
Checked 2026-09-27
Articles using this source
Manufacturer program terms
Synthroid: support and savings programs ↗
Checked 2026-09-27
Articles using this source
Manufacturer program terms
Synthroid Delivers: manufacturer program prices, eligibility and shipping terms ↗
Checked 2026-09-27
Manufacturer information
Tirosint: official manufacturer website ↗
Checked 2026-09-27
Articles using this source
Manufacturer information
Tirosint capsules: formulation and packaging ↗
Checked 2026-09-27
Articles using this source
Federal regulator
FDA: Generic Drug Facts ↗
Checked 2026-09-27
Articles using this source
- CoreAge Rx thyroid medication review: what the public record establishes
- Best thyroid medication offers to compare: service, product and pharmacy
- Synthroid levothyroxine review: label facts, brand claims and savings terms
- Tirosint levothyroxine capsule review: formulation, claims and access
- How to judge a thyroid medication review before trusting its conclusion
- What belongs in a thyroid treatment price quote?
Federal regulator research summary
FDA: retrospective levothyroxine generic-switching research summary ↗
Checked 2026-09-27
Federal regulator
FDA: current actions addressing unapproved thyroid medications ↗
Checked 2026-09-27
Articles using this source
Medical society patient guidance
American Thyroid Association: Thyroid Hormone Treatment ↗
Checked 2026-09-27
Articles using this source
Specialty society patient guidance
American Thyroid Association: Adult Hypothyroidism ↗
Checked 2026-09-27
Articles using this source
Official label revised April 2025
Pfizer: Cytomel liothyronine sodium prescribing information ↗
Checked 2026-09-27
Articles using this source
Federal health-information evaluation guidance
NCCIH: How Do You Know the Information Is Accurate? ↗
Checked 2026-09-27
Articles using this source
Federal guide to evaluating research claims
NCCIH: Checklist for Understanding Health News Stories ↗
Checked 2026-09-27
Articles using this source
Federal self-pay estimate guidance; modified August 25, 2026
CMS: Know Your Medical Bill Rights When Not Using Insurance ↗
Checked 2026-09-27
Articles using this source
Published consensus abstract; future trial design, not a new treatment trial
Jonklaas et al.: Evidence-Based Use of Levothyroxine/Liothyronine Combinations, 2021 consensus ↗
Checked 2026-09-27
Specialty society testing explanation
American Thyroid Association: Thyroid Function Tests ↗
Checked 2026-09-27
Federal itemized estimate guidance; modified August 25, 2026
CMS: What Is a Good Faith Health Insurance Estimate? ↗
Checked 2026-09-27
Articles using this source
Official thyroid service offer; visit price, timing and clinical scope
CallOnDoc: thyroid conditions online ↗
Checked 2026-09-28
Articles using this source
Official recurring plan prices and included visits; separate from thyroid landing-page price
CallOnDoc: subscribe and save ↗
Checked 2026-09-28
Articles using this source
Current primary regulatory explanation of approved generic products and standards; not provider accreditation or authentication of a specific order
FDA: Generic Drugs — Questions & Answers ↗
Checked 2026-09-29
Articles using this source
- CallOnDoc thyroid medication reviews: testing the claims behind quick access
- GoodRx Care thyroid medication reviews: what a discount and a visit actually establish
- Push Health thyroid medication reviews: where platform claims stop
- Lemonaid Health thyroid medication reviews: a narrow offer with important boundaries
- Amazon Pharmacy thyroid medication reviews: what a dispensing listing can prove
Federal patient education for diagnosis, treatment and monitoring; no individualized interpretation
NIDDK: hypothyroidism (underactive thyroid) ↗
Checked 2026-09-28
Articles using this source
- CallOnDoc thyroid medication reviews: testing the claims behind quick access
- LifeMD thyroid medication reviews: separating a treatment menu from evidence
- GoodRx Care thyroid medication reviews: what a discount and a visit actually establish
- Push Health thyroid medication reviews: where platform claims stop
- Circle Medical thyroid medication reviews: weighing a primary-care claim
- Galileo thyroid medication reviews: when the public descriptions disagree
- Lemonaid Health thyroid medication reviews: a narrow offer with important boundaries
Official clinical service and named medicine possibilities; no individual suitability
LifeMD: hypothyroidism treatment ↗
Checked 2026-09-28
Articles using this source
Professional-society patient education on preparation distinctions and monitoring; no personal regimen
American Thyroid Association: thyroid hormone treatment ↗
Checked 2026-09-28
Current primary regulatory record distinguishing approved synthetic drugs and unapproved animal-derived thyroid medicines; draft-guidance intent and risk-based enforcement are not an individual switch instruction
FDA: Actions to Address Unapproved Thyroid Medications ↗
Checked 2026-10-21
Official membership renewal and additional visit/lab charges; $50 cash-video wording
LifeMD+: access and cost of care ↗
Checked 2026-09-28
Articles using this source
Official general program FAQ; $49 video/$19 message wording; programs kept separate
LifeMD: frequently asked questions ↗
Checked 2026-09-28
Articles using this source
Official program overview and additional care pricing; $49 primary-care display
LifeMD: programs and membership plans ↗
Checked 2026-09-28
Articles using this source
Official care directory classifying hypothyroidism as a prescription-refill service
GoodRx Care: care directory ↗
Checked 2026-09-28
Articles using this source
Official thyroid visit offer, ages 18–65 and conditional member/nonmember prices
GoodRx Care: hypothyroidism treatment ↗
Checked 2026-09-28
Articles using this source
Fresh official HTML service offer supplement after TinyFish omitted the offer; prescribing conditional, insurance wording conflicts terms, no individual brand or appointment verified
Sesame: levothyroxine prescription consultation ↗
Checked 2026-09-29
Articles using this source
Official current service contract; cash-pay wording, independent-provider roles, federal-beneficiary certification in section18, cancellation and recurring-plan conditions
Sesame: terms of service ↗
Checked 2026-09-29
Articles using this source
Official prescription-request service; general drug prose is not personal instructions
Push Health: levothyroxine consultation ↗
Checked 2026-09-28
Articles using this source
Official independent-provider platform, variable service fees, laboratory and refund boundaries
Push Health: frequently asked questions ↗
Checked 2026-09-28
Articles using this source
Official ongoing-care offer, 32-state statement, appointment prices and Medicaid/Medi-Cal exclusion
Circle Medical: online thyroid care ↗
Checked 2026-09-28
Articles using this source
Official thyroid service; unrelated antidepressant text explicitly excluded from clinical support
Galileo: online thyroid consultation ↗
Checked 2026-09-28
Articles using this source
Official clinician/pharmacy workflow; no-appointment and routine-visit wording differ, timing not tested
Galileo: online prescription refills ↗
Checked 2026-09-28
Articles using this source
Official monthly minimum, annual and per-consultation prices; conflicting all-care-covered FAQ retained
Galileo: care for individuals ↗
Checked 2026-09-28
Articles using this source
Official established-treatment offer, one-year levothyroxine requirement, exclusions and $30.50 lab
Lemonaid Health: hypothyroidism treatment ↗
Checked 2026-09-28
Articles using this source
Official service workflow and refill support; age wording conflicts with service page; erroneous TSH definition unused
Lemonaid Health: hypothyroidism help ↗
Checked 2026-09-28
Articles using this source
Official prescription-required 30-tablet price record; average insurance and eligible Prime prices are conditional; strength identifies the listing, not an intake recommendation
Amazon Pharmacy: levothyroxine 50 MCG tablet listing ↗
Checked 2026-09-29
Articles using this source
Official dispensing, pharmacist review, transfer/order sequence, conditional automatic refills, access and savings descriptions; no diagnostic or prescribing service inferred
Amazon Pharmacy: how it works ↗
Checked 2026-09-29
Articles using this source
Clinical thyroid service; hypothyroidism replacement and education, regional access; clinical menu is not a personal test or treatment plan
Duke Health: thyroid disease diagnosis and treatment ↗
Checked 2026-09-29
Articles using this source
Professional society treatment information; clinical purpose and preparation limits, not a personal plan
American Thyroid Association: Thyroid Hormone Treatment ↗
Checked 2026-09-29
Articles using this source
- Duke Health thyroid medication review: what a personalized-treatment claim establishes
- UCLA Health thyroid medication review: testing the scope of research and team-care claims
- Mayo Clinic thyroid medication review: why the words “select cases” matter
- Johns Hopkins Medicine thyroid medication review: evidence for an opinion, not a product promise
- Northwestern Medicine thyroid medication review: separating clinical service from general treatment education
- Stanford Health Care thyroid medication review: the limits of a broad specialist and research offer
- University of Utah Health thyroid medication review: separate a broad clinic claim from medication evidence
Adult clinic, location, access and insurer qualifications; no appointment or individual benefits verified
Duke Endocrinology South Durham ↗
Checked 2026-09-28
Articles using this source
Actual thyroid-replacement care; listed locations are separate access arrangements, no exact formulary established
Cleveland Clinic: thyroid disorders treatment ↗
Checked 2026-09-29
Concierge-opinion options and $1,690/$1,990 US versus $4,500 international fees; state/coverage limits and three-state versus four-state wording discrepancy retained
Cleveland Clinic: virtual second opinions ↗
Checked 2026-09-29
Federal patient guidance; symptoms alone do not diagnose, replacement/monitoring and excessive-hormone harms; no individualized threshold, dose or timetable
NIDDK: Hypothyroidism (Underactive Thyroid) ↗
Checked 2026-09-29
Articles using this source
- Cleveland Clinic thyroid medication review: distinguish treatment claims from the second-opinion purchase
- Mayo Clinic thyroid medication review: why the words “select cases” matter
- Johns Hopkins Medicine thyroid medication review: evidence for an opinion, not a product promise
- Northwestern Medicine thyroid medication review: separating clinical service from general treatment education
Clinical thyroid service including hypothyroidism and replacement; diagnostic menu and outcome claims are not individual recommendations
UCLA Health: Thyroid Care ↗
Checked 2026-09-29
Articles using this source
Regional offices and patient navigator roles; no personal access, insurance or complete cost quotation
UCLA Thyroid Care: Contact Us ↗
Checked 2026-09-28
Articles using this source
Specialist consultation explicitly includes select hypothyroidism and Hashimoto cases; page displays November 2, 2019, accessed September 29, 2026
Mayo Clinic: Thyroid Disorders Specialty Group ↗
Checked 2026-09-29
Articles using this source
Location-specific appointment request routes; no confirmed booking, acceptance, insurance or thyroid-care price
Mayo Clinic: appointment requests ↗
Checked 2026-09-28
Articles using this source
Actual specialist service including hypothyroidism; generally one assessment and recommendations for current/local clinicians, not assumed ongoing prescribing
Johns Hopkins Medicine: Thyroid Second Opinion Service ↗
Checked 2026-09-29
Articles using this source
Clinical scheduling/referral and portal boundaries; ordinary contacts are not a channel for unsolicited clinical assessment
Johns Hopkins Endocrinology: Patient Care ↗
Checked 2026-09-28
Articles using this source
Clinical endocrinology service expressly describes hypothyroidism medication; no product or dose selection established
Mount Sinai: Thyroid and Parathyroid Disease ↗
Checked 2026-09-29
Articles using this source
Coordinated service, published 72-hour statement and telemedicine options; availability, geography and costs remain unverified for individuals
Mount Sinai–Union Square: Center for Thyroid and Parathyroid Diseases ↗
Checked 2026-09-29
Articles using this source
Actual thyroid evaluation and treatment service; broad clinical scope is not an exact medication catalog
Northwestern Medicine: Thyroid Conditions ↗
Checked 2026-09-29
Regional endocrine clinic with thyroid services; parking charges are not medical fees and not quoted as such
Northwestern Medicine Endocrinology Lavin Family Pavilion ↗
Checked 2026-09-28
Institutional care-area explanation paired with actual clinic evidence; public dosing, administration and interval statements not transferred as reader instructions
Northwestern Medicine: Thyroid Hormone Replacement Therapy ↗
Checked 2026-09-29
Adult clinical service includes underactive thyroid; doctor referral and supporting documentation, no virtual access or exact formulary inferred
Stanford Health Care: Endocrinology Clinic ↗
Checked 2026-09-29
Articles using this source
Stanford, California clinic; new referral versus established return-visit contacts, no booking or benefit verification
Stanford Health Care: Endocrinology Clinic at Boswell Building ↗
Checked 2026-09-28
Articles using this source
Actual hypothyroidism care and provider-referral requirement; procedural subgroup claims not generalized to replacement patients; page reviewed September 2024
University of Utah Health: Thyroid and Parathyroid Clinic ↗
Checked 2026-09-29
Clinical primary-care/referral and medicine-monitoring pathway; no personal tests, schedule or medicine instructions; page reviewed September 2024
University of Utah Health: Thyroid Disorders ↗
Checked 2026-09-28
Official health-system service
Mass General Brigham: Thyroid Disorders Center ↗
Checked 2026-09-29
Articles using this source
Official health-system service
Mass General Brigham: Endocrinology ↗
Checked 2026-09-29
Articles using this source
Official health-system service
Penn Medicine: Thyroid Care ↗
Checked 2026-09-29
Articles using this source
Official health-system service
Penn Medicine: Hypothyroidism ↗
Checked 2026-09-29
Articles using this source
Official health-system service
Yale Medicine: Endocrinology ↗
Checked 2026-09-28
Articles using this source
Official health-system service
Yale Medicine: Hypothyroidism ↗
Checked 2026-09-29
Articles using this source
Official clinic or clinician record
Yale Medicine: Patricia Peter, MD ↗
Checked 2026-09-28
Articles using this source
Official health-system service
ColumbiaDoctors: Endocrinology, Diabetes & Metabolism ↗
Checked 2026-09-29
Articles using this source
Official health-system service
ColumbiaDoctors Midtown: Endocrinology ↗
Checked 2026-09-28
Articles using this source
Official health-system service
UCSF Health: Endocrinology, Diabetes and Metabolism ↗
Checked 2026-09-29
Articles using this source
Official health-system service
UCSF Division of Endocrinology: Parnassus/Mt. Zion patient care and referrals ↗
Checked 2026-09-28
Articles using this source
Official health-system service
University of Michigan Health: Thyroid Disorders ↗
Checked 2026-09-29
Articles using this source
Official clinic or clinician record
University of Michigan Health: Metabolism, Endocrinology & Diabetes Clinic at Domino’s Farms ↗
Checked 2026-09-28
Articles using this source
Official health-system service
Cedars-Sinai: Thyroid & Parathyroid Disorders Area of Expertise ↗
Checked 2026-09-29
Articles using this source
Official health-system service
Cedars-Sinai: Endocrinology ↗
Checked 2026-09-28
Articles using this source
Official health-system service
Rush: Endocrinology Services ↗
Checked 2026-09-28
Articles using this source
Official health-system service
Mercy Clinic Endocrinology: Quailbrook ↗
Checked 2026-09-28
Articles using this source
Official health-system service
Mercy Clinic Endocrinology: Springdale ↗
Checked 2026-09-28
Articles using this source
Federal clinical information
NIDDK: Hypothyroidism (Underactive Thyroid) ↗
Checked 2026-09-28
Articles using this source
Professional society clinical information
American Thyroid Association: Thyroid Hormone Treatment ↗
Checked 2026-09-29
Articles using this source
- Mass General Brigham thyroid medication review: how far institutional claims reach
- Yale Medicine thyroid medication review: education, clinician access and the missing product promise
- ColumbiaDoctors thyroid medication review: which program makes the claim?
- UCSF Health thyroid medication review: a service claim is not a trial result
- Michigan Medicine thyroid medication review: reading past the surgical emphasis
- Mercy thyroid medication review: what reassuring service language can establish
- Cedars-Sinai thyroid medication review: reading the treatment menu in context
- Rush thyroid medication review: expertise, treatment claims and pharmacy evidence
Official patient-portal instructions
Mass General Brigham: Patient Gateway ↗
Checked 2026-09-28
Articles using this source
Official clinical and prescription-coordination service
Penn Medicine: Medication Management ↗
Checked 2026-09-28
Articles using this source
Official patient-portal instructions
Yale Medicine: Access MyChart ↗
Checked 2026-09-28
Articles using this source
Official prescription-request instructions
ColumbiaDoctors: Online Prescription Refill ↗
Checked 2026-09-28
Articles using this source
Official patient-portal instructions
Mercy: MyMercy Frequently Asked Questions ↗
Checked 2026-09-28
Articles using this source
Official scheduled-visit instructions
Cedars-Sinai: How to Join Your Scheduled Video Visit ↗
Checked 2026-09-28
Articles using this source
Official patient-message and billing policy
UCSF Health: Medical Advice Through MyChart Messages—How It Works and What It Costs ↗
Checked 2026-09-28
Articles using this source
Official patient-portal instructions
University of Michigan Health: Patient Portal ↗
Checked 2026-09-28
Articles using this source
Official pharmacy service and refill instructions
Rush: Pharmacy ↗
Checked 2026-09-28
Articles using this source
Homepage shipping reference; customer service and payment details supplied for this review, without a checkout or timed support test
CoreAge Rx: shipping reference and service details ↗
Checked 2026-10-12
Articles using this source
Indexed primary study abstract
Thyroid Hormone Therapy for Older Adults with Subclinical Hypothyroidism. ↗
Checked 2026-10-21
Indexed primary study abstract
L-Thyroxine Therapy for Older Adults With Subclinical Hypothyroidism and Hypothyroid Symptoms: Secondary Analysis of a Randomized Trial. ↗
Checked 2026-10-21
Articles using this source
Indexed primary study abstract
Association Between Levothyroxine Treatment and Thyroid-Related Symptoms Among Adults Aged 80 Years and Older With Subclinical Hypothyroidism. ↗
Checked 2026-10-21
Articles using this source
Open-access primary research full text and indexed abstract
Comparative Effectiveness of Levothyroxine, Desiccated Thyroid Extract, and Levothyroxine+Liothyronine in Hypothyroidism. ↗
Checked 2026-10-21
Full official DailyMed prescribing information
SYNTHROID (levothyroxine sodium) tablets: official prescribing information ↗
Checked 2026-10-21