Myths
Popular thyroid claims put to the test — what peer-reviewed research actually says about diets, foods, and so-called cures.
'Adrenal Fatigue' and Thyroid Disease: Separating Myth from Real Medicine
'Adrenal fatigue' is not a recognized medical diagnosis. Learn why it's a myth, what the real diagnoses are, and how it overlaps with undertreated hypothyroidism.
The Alkaline Diet and Thyroid Health: Why pH Has Nothing to Do with It
Does eating alkaline foods boost thyroid function? The evidence is clear: diet cannot meaningfully change your blood pH. Here's what the science shows.
Apple Cider Vinegar and Thyroid: A TikTok Claim Audit
Apple cider vinegar is sold as a thyroid fix on social media. See what the evidence actually shows — and what it doesn't.
Ashwagandha for Thyroid: What We Know and What We Don't
One small trial showed ashwagandha shifted thyroid labs in subclinical hypothyroidism, but case reports also show it can trigger thyrotoxicosis. See what the evidence says.
Bovine Thyroid Glandular Supplements: A Real Hormone Hidden in a 'Natural' Label
Over-the-counter 'bovine thyroid glandular' supplements often contain real thyroid hormone. See the safety risks and what's actually in them.
Coconut Oil and the Thyroid: What the Evidence Actually Shows
Does coconut oil help the thyroid? No high-quality clinical trial supports it. What the research shows about MCTs, metabolism, and LDL cholesterol risk.
Cold Showers and Cold Plunges for the Thyroid: What's Real, What's Trend
Cold showers and ice baths are trending for thyroid 'support.' See what the actual evidence shows.
Environmental Toxins and Thyroid Function: What's Real and What's Marketing
Some environmental chemicals do affect thyroid function — perchlorate, PFAS, BPA. See what evidence supports and what 'detox' marketing overreaches.
'Estrogen Dominance' and Hashimoto's: What the Term Actually Means
'Estrogen dominance' is a wellness term, not a medical diagnosis. See what's real about estrogen, progesterone, and Hashimoto's.
Fluoride and the Thyroid: What the Evidence Actually Says
Does fluoride harm your thyroid? An honest look at fluoridated water, hypothyroidism, iodine sufficiency, and what the dose-response evidence really says.
Is Broccoli Bad for Hypothyroidism? The Goitrogen Myth, Examined
Is broccoli bad for hypothyroidism? In normal cooked portions with adequate iodine, no. Here is what the human evidence on goitrogens really shows today.
Hashimoto's Myths and Evidence: Beginner Edition
Just diagnosed with Hashimoto's? Here are the most common myths — gluten, leaky gut, detox, antibodies — in plain words, with evidence.
Heavy Metals and Hashimoto's: Real Concern or Wellness Scare?
Some heavy metals do affect thyroid function in occupational and high-exposure contexts. See what the evidence actually shows about mercury, lead, and Hashimoto's.
Hypothyroidism Myths and Facts: Beginner Edition
If you were just diagnosed with hypothyroidism, the internet will scare you. Here are the most common myths, in plain words.
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.
Leaky Gut and Hashimoto's: Separating Emerging Science from Wellness Hype
Can 'leaky gut' worsen Hashimoto's? Here's what the emerging science on intestinal permeability and thyroid autoimmunity actually shows.
Nightshades and Hashimoto's: What the Evidence Actually Shows
Should people with Hashimoto's avoid tomatoes, peppers, and eggplant? Here's what the limited evidence on nightshades and thyroid autoimmunity actually shows.
Reverse T3 Test: Why Guidelines Say No
Reverse T3 dominance is popular online, but ATA guidance does not recommend routine rT3 testing for hypothyroidism decisions.
Sea Moss and Bladderwrack for Thyroid: The Iodine Trap
Sea moss and bladderwrack contain unpredictable, often high doses of iodine — enough to trigger or worsen thyroid disease. See why major societies advise against them.
Is Soy Safe for Hashimoto's? What the Research Actually Shows
Is soy safe with Hashimoto's? Clinical trials show soy doesn't meaningfully harm thyroid function in iodine-replete adults. The real rule: timing it apart.
Thyroid Detoxes and 'Resets': What the Evidence Actually Says
Thyroid detoxes promise to 'reset' your gland, but no credible evidence supports them — and some carry real risks. See what's marketing and what's safe.
'Thyroid Healing Teas': Bugleweed, Lemon Balm, Guggul, and What the Evidence Says
Herbal 'thyroid teas' are marketed for hyper- and hypothyroidism. See what the evidence really shows — and the safety risks.