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The Library

Read the gap, study by study.

Plain-language explainers on the gap between normal results and feeling like yourself. The studies, the symptoms, the real experiences of the thyroid community. No selling, no overpromises.

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Pineapple + banana AM smoothie
Recipes

Pineapple + banana AM smoothie

A creamy pineapple, banana and cardamom smoothie made with one ThyroBase AM serve and oat milk. Five minutes, one blender, timing notes included.

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Everyday AM oat milk shake
Recipes

Everyday AM oat milk shake

The everyday way to make ThyroBase AM: one serve (40g) blended with oat milk, plus three easy twists. With the medication timing to know.

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Warm chocolate cinnamon PM drink
Recipes

Warm chocolate cinnamon PM drink

A warm chocolate and cinnamon drink made with one ThyroBase PM serve and warm oat milk, about 45 minutes before bed. No added caffeine.

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Soft scrambled eggs after surgery
Recipes

Soft scrambled eggs after surgery

Soft, slow-cooked scrambled eggs that are easy to swallow in the first week after thyroid surgery. Ten minutes, with soft serving ideas.

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Smooth pumpkin and potato soup
Recipes

Smooth pumpkin and potato soup

A smooth, mild pumpkin and potato soup that is easy to swallow after thyroid surgery. Makes four bowls and freezes well.

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Greek yoghurt berry breakfast bowl
Recipes

Greek yoghurt berry breakfast bowl

A protein-forward Greek yoghurt breakfast bowl with berries, nuts and oats, plus how breakfast fits around your thyroid tablet.

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Warm lentil, capsicum and spinach salad
Recipes

Warm lentil, capsicum and spinach salad

A warm lentil salad with crunchy red capsicum, spinach and lemon that pairs plant iron with vitamin C. Ready in 15 minutes.

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Lemon salmon traybake
Recipes

Lemon salmon traybake

A naturally gluten-free lemon salmon traybake with baby potatoes, green beans and cherry tomatoes. One tray, about 35 minutes.

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Tofu, broccoli and bok choy stir-fry
Recipes

Tofu, broccoli and bok choy stir-fry

A quick ginger stir-fry with tofu, broccoli and bok choy, plus what research says about goitrogens, soy and your thyroid tablet.

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Make-ahead stewed apple and pear
Recipes

Make-ahead stewed apple and pear

Soft stewed apple and pear with cinnamon, made ahead for the week. A gentle snack with yoghurt, and soft enough for after thyroid surgery.

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After surgery

What is a thyroidectomy?

Total or half, why it is done, the main risks and what life looks like after thyroid surgery, from Australian and guideline sources.

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After surgery

Hemithyroidectomy and thyroxine

Most people's remaining half copes after a hemithyroidectomy. Here is who ends up on thyroxine, when, and how follow-up testing works.

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Hashimoto's

Hypothyroidism symptoms, explained

Tiredness, feeling the cold, dry skin and more: the signs of hypothyroidism, why they're easy to miss, and why some linger on medication.

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Nutrition science

Thyroid glandulars and T3 supplements

What's inside thyroid glandular and "T3" supplements, why hidden hormone matters if you take levothyroxine, and what to check on the label.

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Test results

Mildly high TSH: treat or wait?

Raised TSH, normal free T4: why one result is not a diagnosis, what the trials found on levothyroxine, and when treatment is advised.

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Medication

Levothyroxine in Australia, explained

Levothyroxine explained for Australians: what it's for, Eltroxin vs Oroxine, PBS cost, storage, and how to take it so it works as intended.

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Nutrition

Underactive thyroid diet

No special diet fixes an underactive thyroid. What to eat, what to watch, and the food myths you can let go of.

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Medication

Levothyroxine side effects

Most levothyroxine side effects are signs the dose needs adjusting. What to watch for, when to get help, and what to do next.

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After surgery

Thyroidectomy recovery

Home in a day or two, everyday life in a week or two. What's normal for your voice, swallow, scar and energy, and when to get help.

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Nutrition

Hashimoto's diet: the evidence

Mediterranean, AIP, gluten-free and more: what the trials actually show for Hashimoto's, and what a sensible week looks like.

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Nutrition

Goitrogens, explained

Broccoli, kale and soy are fine for most people. What goitrogens are, what the research shows, and where the real cautions lie.

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After surgery

What to eat after thyroidectomy

There's no special thyroidectomy diet. What to eat in the first weeks, why timing beats banned foods, and the myths you can drop.

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Test results

High or low TSH: what it means

What a high or low TSH usually means, on or off levothyroxine, how free T4 tells them apart, and why there is no proven optimal number.

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Medication

Switching levothyroxine brands

Different box at the pharmacy? How Australia's levothyroxine brands differ, why they aren't all swapped, and what to do if yours changes.

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After surgery

Tingling and calcium after surgery

Pins and needles after thyroid surgery usually mean low calcium. Why it happens, how long it lasts, and when to get help straight away.

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After surgery

Radioactive iodine, explained

RAI after thyroid cancer surgery, explained plainly: who needs it, the injections, the low-iodine diet in Australia, and the weeks after.

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Medication

Ashwagandha and levothyroxine

Ashwagandha is sold for stress and sleep, sometimes for your thyroid. What the research shows, and why to check first on levothyroxine.

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Test results

Biotin and your thyroid tests

Hair, skin and nail supplements can throw off your thyroid tests. Why it happens, why it matters on levothyroxine, and what to do.

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Energy

Exercise when you're exhausted

Exercise feeling harder is a recognised effect, not a lack of willpower. What research shows, how to start small, and when to stop.

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Medication

Does medication stop your thyroid?

A common worry about levothyroxine, answered with the research: what it does, who needs it for life, and who can sometimes come off it.

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Nutrition science

Gluten-free for Hashimoto's?

Going gluten-free is everywhere online. What the trials actually show, where coeliac disease changes everything, and why testing comes first.

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Medication

How long until a dose change works?

Your results settle in about six weeks. How you feel can take longer. The two timelines, what gets in the way, and when to go back.

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Mood

Anxiety and your thyroid

Anxiety often travels with thyroid conditions. What the research shows, why your dose is worth checking, and where to get proper support.

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Medical dismissal

Can Hashimoto's go into remission?

Online, everyone seems to have reversed their Hashimoto's. What the research actually shows about recovery, antibodies and diets.

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Hair and skin

Hair loss, even on medication

Your levels are normal but your hair is still falling out. The usual reasons, why shedding lags months behind, and what is worth checking.

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Medication

Coffee and your thyroid tablet

You do not have to give up your morning coffee. You just need to give your thyroid tablet a head start, the same way every day.

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Hashimoto's

Hashimoto's: diagnosis and management

Just diagnosed? What Hashimoto's thyroiditis is, the tests that confirm it, how it's managed, and what to ask your doctor next.

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Test results

High antibodies, normal TSH

Told your antibodies are high but your TSH is normal, and to come back in a year? What that result means, and how to make good use of the wait.

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Medication

Protein powder and Hashimoto's

A protein shake can sit alongside your thyroid medication. What matters is the timing, what else is in the tub, and whether dairy agrees with you.

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Nutrition science

Choosing a thyroid supplement

There is no single best thyroid supplement. There is a short checklist that sorts the sensible options from the risky ones, written for Australians.

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Energy

Still tired with Hashimoto's

Your TSH came back normal and you are still exhausted. What a normal result does and does not tell you, and the checkable reasons worth raising with your GP.

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Hashimoto's

Losing weight with Hashimoto's

Your thyroid is usually responsible for a few kilos, mostly water. What helps with weight loss on levothyroxine, and what to check.

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Medication

Supplements: what to avoid

Some thyroid supplements are fine, some pointless, and a few can work against your medication. What to check on the label before you buy anything.

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Nutrition science

Iodine-rich foods and your thyroid

Iodine in everyday Australian foods, how much you need, and why with a thyroid condition the aim is enough iodine, not extra kelp.

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Test results

TSH, T4, T3: your panel explained

TSH, Free T4, Free T3, and the gap between in range and feeling well. What each number on your thyroid panel measures, and the parts a single result leaves out.

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Nutrition science

Iron, ferritin and your hair

Told your iron is normal while your hair fills the drain? The number that actually matters is ferritin, and it is the one most likely to be missed.

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Nutrition science

Hashimoto's and nutrition

Nutrition will not cure Hashimoto's, and anyone promising that is selling something. But the research on selenium, vitamin D and your gut is real. The honest version.

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Medication

Levothyroxine and supplement timing

Food waits 30 to 60 minutes after levothyroxine. Iron, calcium and antacids need about 4 hours. Here is the full table.

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Nutrition science

Zinc, iron and B12 worth checking

Normal thyroid results but still flat? The three nutrients worth checking, who runs low, the tests to ask for, and why guessing with iron backfires.

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Nutrition science

Plant protein and greens

How much protein you really need after thyroid surgery, why a plant blend delivers a complete amino profile, and the greens that earn their place.

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Nutrition science

Selenium and your thyroid

The mineral your thyroid holds more of than any other organ. Why it matters for T4-to-T3 conversion, why it is studied in Hashimoto's, and why it still matters after a thyroidectomy.

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Cognition

Brain fog and word finding

Losing words, forgetting why you walked in? Why brain fog follows thyroid removal, what to get checked, and what helps.

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Mood

The emotional weight of thyroid surgery

Low mood after thyroid surgery is common and real. What causes it, how long it lasts, and where to get help in Australia.

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Hair and skin

Hair in the shower drain.

Why hair sheds months after thyroid surgery, what a normal TSH misses, and when regrowth usually starts.

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Medication

What levothyroxine doesn't fix

Levothyroxine replaces T4, and that is all. Why symptoms can persist with a normal TSH, what the trials show, and what to ask your doctor.

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After surgery

Losing weight after thyroidectomy

How much weight people really gain after thyroid surgery, why some gain more, and what helps you lose it.

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After surgery

Not feeling like yourself

Feeling unlike yourself after thyroid surgery is common and measured. Why it happens, how long it lasts, and what helps.

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Sleep

Tired but wired. Why sleep breaks first.

The "I work night shift now" pattern post-thyroidectomy. Why magnesium, glycine, chamomile and passionflower matter.

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Energy

Fatigue that medication didn't fix.

Why tiredness can last after thyroid removal even with a normal TSH, how long it lasts, and what is worth checking.

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Medical dismissal

My doctor says I'm fine. I am not fine.

The most common phrase in thyroid forums, and what to do when you keep being told there is nothing wrong.

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Test results

Normal results, still feel terrible.

Why "in range" and "optimal" are not the same thing, and what your endocrinologist may not be telling you about Free T3.

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Menopause & hormones

Menopause and thyroid, tangled together.

The symptoms overlap and the hormones interact. How thyroid changes and menopause weave together, and why they're so often confused.

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Nutrition science

Vitamin D and your thyroid

Vitamin D and thyroid disease often go together, but trials tell a narrower story. Testing, limits and surgery explained.

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Sleep

Magnesium, sleep and your thyroid

What the research shows on magnesium and sleep, how much you need, the forms that absorb best, and how to space it from levothyroxine.

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Gut health

Gut health and your thyroid

Probiotics don't move thyroid results, but coeliac disease, H. pylori and low stomach acid can change how well levothyroxine works.

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Nutrition science

Why an AM and PM system?

Your body's needs shift from morning to night. The science of timing nutrition to your rhythm, and why AM and PM differ.

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After surgery

Supplements after thyroidectomy

Calcium your team prescribes, then very little else has evidence. What to avoid, how to time supplements with levothyroxine, and what to test.

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Done reading? Start the routine.

The research above is the same research that shaped the ThyroBase formulation. See the ingredients it led to.

See ThyroBase

ThyroBase is a nutritional supplement and is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare professional before starting any supplement, especially if you are taking prescription medication or are managing a health condition. ThyroBase is not a substitute for prescribed thyroid hormone replacement therapy.

Formulated Supplementary Sports Food. This food is not a sole source of nutrition and should be consumed in conjunction with a healthy, varied diet, active lifestyle and an appropriate exercise program. Not suitable for children under 15 years of age or pregnant women. Should only be used under medical or dietetic supervision.