Thyroid nutrition, evidence-based.
Short, cited, no alarmism. Every article is graded by evidence level.
Questions to Ask Your Doctor About Hypothyroidism
A simple list of questions to bring to your hypothyroidism appointments — type, TSH target, retest timing, interactions, and when to call back.
Should Your Family Be Screened for Hashimoto's?
Hashimoto's runs in families. A simple TSH for adult siblings, parents, and especially women is a reasonable starting point.
Starting Exercise With Hashimoto's: A Gentle Approach
Newly diagnosed with Hashimoto's? Start with walking 20–30 minutes a day. Add resistance work as energy returns. Avoid HIIT until treatment kicks in.
Starting Levothyroxine: What You Need to Know on Day One
Just started levothyroxine? Here is what to do on day one, what to expect over the next 6 weeks, and the small habits that make the medication work.
Starting to Exercise With Hypothyroidism: A Gentle Approach
Just diagnosed and unsure how to start exercising? A gentle, beginner-friendly approach to moving with hypothyroidism — without burning out.
Stress and Hashimoto's: What's the Connection?
Stress can make Hashimoto's symptoms feel worse, but it does not cause the disease. Here is what helps — and what to skip.
Supplements for Hashimoto's: What's Reasonable for Beginners
Newly diagnosed with Hashimoto's? Here are the few supplements that actually make sense, and the popular ones to skip — in plain English.
The Different Types of Hypothyroidism: An Overview
Primary, subclinical, central, congenital, iatrogenic — a beginner-friendly overview of the main types of hypothyroidism and why the label matters.
Types of Thyroid Medication: Levothyroxine, T3, and NDT Explained
Levothyroxine, T3, NDT, and liquid forms — what each thyroid medication is, who it's for, and why levothyroxine is first-line for almost everyone.
Understanding Your TSH Test: What the Number Means
TSH is the signal your brain sends to your thyroid. Learn what the number means, the normal range, and why your doctor uses it.
What Causes Hashimoto's Disease? Genes and Environment
Hashimoto's comes from a mix of genes and environment — family history, iodine, infections, postpartum shifts. It is not your fault.
What Causes Hypothyroidism? The Common Reasons Explained
What causes hypothyroidism? Usually Hashimoto disease, sometimes iodine deficiency, surgery, treatment, or medications. Plain-language guide for the newly diagnosed.
What Do TPO and TG Antibodies Mean?
TPO and TG antibodies confirm Hashimoto disease as the cause of your thyroid problem. The number does not predict how you feel — here is what to know.
What Does a Hashimoto's Flare Feel Like?
Hashimoto's symptoms can flare around stress, illness, or hormone shifts — even when your TSH looks stable. Here's what flares feel like.
What Is Hashimoto's Disease? A Plain-Language Introduction
A warm, plain-language introduction to Hashimoto's: what it is, why it's common, and why a normal life is the expected outcome.
What Is Hypothyroidism? A Plain-Language Introduction
Hypothyroidism explained simply: what your thyroid does, why you feel tired and cold, and why a daily pill brings most people back to themselves.
What to Eat With Hashimoto's: A Practical Starter Guide
No single 'Hashimoto diet' exists. Here's the calm, beginner-friendly food guide most people actually need — Mediterranean style, not extreme.
When Hashimoto's Needs Medication and What to Expect
Not every Hashimoto's diagnosis needs medication. Here's when it does, what levothyroxine actually does, and what to expect.
When Will I Feel Better on Thyroid Medication? A Realistic Timeline
A simple, realistic timeline for feeling better on levothyroxine — energy first, brain fog next, hair and weight last. What to do if you still feel off.
Why Sleep Matters With Hashimoto's: A Beginner Guide
Sleep is one of the highest-leverage moves for newly diagnosed Hashimoto patients. Here's why — plus when to ask about sleep apnea.
Thyroid-Friendly Breakfasts With Protein: What to Eat and Track
Build thyroid-friendly breakfasts with protein, fiber, medication timing, and symptom tracking without turning breakfast into another strict diet.
After Thyroid Surgery: A 90-Day Recovery Roadmap
What to expect in the 90 days after thyroid surgery — hospital stay, voice and calcium issues, when levothyroxine starts, and the 6-week TSH check.
Amiodarone and the Thyroid: AIH and AIT
Amiodarone affects the thyroid in 15-20% of patients. AIH is easy to treat with levothyroxine; AIT type 1 vs 2 needs endocrinology-cardiology coordination.
Anemia in Hypothyroidism: Why It Happens and Which Type
Anemia is present in 20–60% of hypothyroid patients. Learn the three types, the workup, and why fatigue persists if anemia is missed.
Anxiety and Hashimoto Disease: When It Is the Thyroid, When It Is Not
Anxiety in Hashimoto disease can be the thyroid or a primary disorder. See how to tell them apart and what actually helps.
Central Hypothyroidism: When the Pituitary or Hypothalamus Is the Cause
Central hypothyroidism comes from the pituitary or hypothalamus, not the thyroid. TSH is misleading — monitoring relies on FT4 and other pituitary hormones.
Checkpoint Inhibitor Thyroiditis: When Cancer Immunotherapy Affects the Thyroid
PD-1/PD-L1 cancer immunotherapy causes thyroiditis in 5–20% of patients. See the typical biphasic pattern and how levothyroxine is dosed.
Cold Intolerance in Hypothyroidism: Why You Feel Cold All the Time
Cold intolerance is one of the earliest hypothyroid symptoms and one of the fastest to resolve on levothyroxine. Mechanism, timeline, and what doesn't help.
Compounded Thyroid Medication: When It Helps, When It Doesn't
Compounded thyroid medication has narrow legitimate uses but real potency-variability risks. See when it helps and when to push back.
Constipation and Hypothyroidism: Why It Happens and What Actually Helps
Hypothyroidism slows gut transit. See why constipation happens, what improves on levothyroxine, and which fixes (fiber, magnesium) actually work.
Cruciferous Vegetables and the Thyroid: What the Evidence Actually Shows
How much cruciferous is too much for hypothyroidism? Cooking deactivates most goitrogens, iodine status sets the ceiling, and sulforaphane may help. The evidence quantified.
Dry Skin in Hypothyroidism: Why It Happens and How to Manage It
Hypothyroidism reduces sebum and slows skin turnover, producing dry, rough skin. See what recovers on levothyroxine and how to manage it.
Fasting-Mimicking Diet and the Thyroid: What's Known
The Fasting-Mimicking Diet shows transient T3 drops and immune signals. Safety in Hashimoto on levothyroxine is unstudied — what's known and what isn't.
Fermented Foods and Hashimoto's: Kefir, Sauerkraut, Kimchi, Kombucha
Fermented foods may support the gut-thyroid axis through probiotics and SCFAs. See what the evidence shows for Hashimoto's — and when to be careful.
Hashimoto Disease and Celiac Disease: When to Screen and Why It Matters
Hashimoto patients have 3-7x higher celiac risk. See when to screen with tTG-IgA, when biopsy matters, and what gluten avoidance actually does for thyroid.
Hashimoto Grocery List for One Week: What to Buy and Track
Build a one-week Hashimoto grocery list around protein, fiber-rich carbs, thyroid-relevant nutrients, medication timing, and symptom tracking.
Headache and Migraine in Hypothyroidism
Hypothyroidism is linked to more frequent headaches and migraines. Most improve on adequate levothyroxine — but severe or persistent headaches need neurology workup.
Hearing Loss and Hypothyroidism: What the Evidence Shows
Hypothyroidism can contribute to sensorineural hearing loss. See what improves on levothyroxine, when to refer to audiology, and what doesn't help.
Hoarseness and Vocal Changes in Hypothyroidism
Hypothyroidism can cause a deeper, hoarse voice from vocal cord edema. See what recovers on levothyroxine and when to see an ENT.
How Levothyroxine Dose Is Calculated: Weight, Age, and Why You May Need Adjustments
Levothyroxine starts at ~1.6 mcg/kg/day for full replacement, lower in elderly or cardiac patients. See how dose is calculated and adjusted.
Hypothyroidism and Cholesterol: Why LDL Rises and When to Treat
Hypothyroidism raises LDL by reducing LDL receptor expression. See how much LDL drops on levothyroxine and when to add a statin.
Hypothyroidism and Fatty Liver Disease: Beyond NASH
Hypothyroidism roughly doubles fatty liver prevalence and accelerates fibrosis. See what improves on levothyroxine and where resmetirom fits.
Hypothyroidism and Hashimoto Disease in Children: Growth, School, and Long-term Outlook
Childhood hypothyroidism affects growth, puberty, and school. Newborn screening catches congenital cases; adequate levothyroxine restores normal development.
Hypothyroidism in Older Adults: TSH Targets, Drug Sensitivity, and Cognition
TSH rises with age, so targets in older adults are higher. Trials show no benefit treating subclinical hypothyroidism over 65. Here's how it's dosed.
Iodine-Induced Thyroid Dysfunction: When Too Much Iodine Hurts
Too much iodine — kelp, contrast, amiodarone — can trigger hypothyroidism in Hashimoto patients or hyperthyroidism in nodular goiter. What to do.
Iron Supplements Compared: Ferrous Sulfate, Bisglycinate, Heme, Liposomal
Ferrous sulfate, bisglycinate, heme, liposomal: what the trials show on tolerance, absorption, every-other-day dosing, and levothyroxine timing.
Joint Pain in Hashimoto Disease: When It Is the Thyroid and When It Is Not
Hashimoto can cause joint pain through inflammation and altered tissue hydration — but persistent swelling needs a rheumatology workup.
Levothyroxine Side Effects: What's Real, What's Adjustment, What's Anxiety
Most levothyroxine 'side effects' are dose mismatch, not the drug. See what the 2026 evidence shows and what to discuss with your endocrinologist.
Lithium and the Thyroid: Hypothyroidism, Goiter, and Rare Hyperthyroidism
Lithium causes hypothyroidism in 10-30% of users — especially women with TPO antibodies. See the mechanism, monitoring schedule, and management.
Low Libido and Sexual Dysfunction in Hypothyroidism
Hypothyroidism lowers libido and contributes to sexual dysfunction in both sexes. Most patients recover within 3 to 6 months on adequate levothyroxine.
Melatonin and the Thyroid: Sleep, Antioxidants, and Caveats
Melatonin has antioxidant effects on the thyroid and may help sleep in Hashimoto. See what the evidence shows, dosing, and pregnancy caveats.
Menstrual Changes and Hypothyroidism: Heavy, Irregular, or Missed Periods
Hypothyroidism causes heavy, irregular, or missed periods. Most normalize within 3–6 months on adequate levothyroxine. See what to expect.
Methimazole vs Propylthiouracil for Hyperthyroidism: How to Choose
Methimazole is first-line for most adults with hyperthyroidism. PTU is reserved for first-trimester pregnancy and thyroid storm. See how to choose.
Multinodular Goiter: When to Monitor, When to Treat
Most multinodular goiters are stable and only need surveillance ultrasound. See when biopsy, RAI, surgery, or RFA are warranted.
Muscle Pain and Weakness in Hypothyroidism: Hoffmann Syndrome and Beyond
Hypothyroidism can cause muscle pain, weakness, cramps and elevated CK. Most cases recover on adequate levothyroxine within 3 to 6 months.
Myxedema and Facial Puffiness in Hypothyroidism
Hypothyroidism causes myxedema — water-binding mucopolysaccharides in skin tissue producing facial puffiness. Most cases resolve on levothyroxine.
Myxedema Coma: Recognizing the Severe Hypothyroid Emergency
Myxedema coma is a rare, life-threatening hypothyroid emergency. Recognize hypothermia, altered mental status, and bradycardia. ER care is critical.
Natural Desiccated Thyroid (Armour, NP Thyroid): What the Evidence Says
Natural desiccated thyroid (Armour, NP Thyroid) contains porcine T4 and T3. See what trials show vs levothyroxine, the ATA position, and how switching is monitored.
Newly Diagnosed with Hashimoto Disease or Hypothyroidism: A 90-Day Roadmap
A 90-day roadmap for the newly diagnosed: levothyroxine setup, the 6-week TSH check, what improves first, and the pitfalls to avoid.
Night Sweats and Hot Flashes in Hashimoto's: What's Thyroid and What's Not
Night sweats in Hashimoto's can come from hashitoxicosis, over-replacement, or menopause. See what pattern, free T4, and free T3 reveal.