Living with Hashimoto’s? Your nutrition should keep up.
A structured AM & PM nutrition system built around what the research actually supports for a thyroid under autoimmune attack.
The System · Your daily foundation
- The System: 2 AM + 2 PM pouches, 56 serves (28 days)
- First box includes Foundation Protocol, Free
- First box includes Foundation Tracker, Free
$299 every 4 weeks, inc. GST · free AU shipping
- Does it replace my medication?No, it never should. It sits alongside your thyroid medication, never instead of it.
- Safe with the iodine sensitivity?No added iodine, kelp-free. That’s exactly why it was formulated this way.
Prefer to start smaller?
Or 4 interest-free payments from $22.25 on the Pair, AM or PM (one-time only)
Free AU shipping. ThyroBase is a nutritional supplement, not a substitute for prescribed thyroid hormone replacement therapy. Always consult your healthcare professional before starting any supplement.
Two drinks a day. That’s the whole routine.
- AMPineapple + Cardamom. One AM serve (40g) into 250ml cold water, in the morning.
- PMChocolate + Cinnamon. One PM serve (40g) into 250ml water or oat milk, in the evening.
If you take thyroid medication, take it first, then your AM serve at least 4 hours later. Not on medication? Take your AM serve with breakfast.
See the offer →Co-formulated with people who actually understood the brief.
Every ingredient and dose was reviewed by people who actually understood the brief. Manufactured in Australia to FSANZ standards.
Naturopath
Reviewed every ingredient and form against the published research.
Dietitian
Checked doses and nutrient interactions against real daily eating.
Research Nutritionist
Verified the evidence behind every included ingredient.
Food Scientist
Oversaw formulation, stability and FSANZ compliance.
Oncology Pharmacist
Checked for interactions with common thyroid medications.
Not a cure. Not nothing either.
If you have Hashimoto’s, you’ve probably been handed two opposite stories: the clinic version, where nutrition barely comes up, and the internet version, where one supplement promises to fix everything. Neither is honest. Nutrition will not cure Hashimoto’s, and we won’t say otherwise. But the idea that food and nutrients make no difference is just as wrong: there’s real, peer-reviewed research behind a handful of them.
Hashimoto’s is autoimmune: your immune system wears the thyroid down over time. Medication replaces the hormone; it doesn’t touch the immune process underneath, and it was never designed to. Nutrition can’t switch that off either, but the research suggests it can help take some of the load off.
Three places the research points.
- Selenium: your thyroid holds more selenium than any other tissue. Several systematic reviews link selenium supplementation with lower thyroid peroxidase antibodies, one of the main markers of the immune attack. Not a cure, but a real, worthwhile thing to support.
- Vitamin D: low vitamin D turns up again and again in autoimmune thyroid conditions. It plays a role in regulating the immune system: the very system misbehaving in Hashimoto’s.
- Zinc & gut: zinc supports the immune system and the conversion of thyroid hormone into its active form. There’s a genuine thyroid-gut axis: gut health shapes inflammation and nutrient absorption, both part of the autoimmune picture.
Selenium supplementation has been associated with lower thyroid peroxidase antibody levels in people with Hashimoto thyroiditis across multiple trials.
Huwiler et al., 2024 · Thyroid (systematic review & meta-analysis)Vitamin D status is significantly associated with autoimmune thyroid disease across the pooled evidence base.
Wang et al., 2015 · Nutrients (meta-analysis)The thyroid-gut axis connects gut health, inflammation and nutrient absorption to thyroid autoimmunity.
Knezevic et al., 2020 · NutrientsThe one ingredient we left out, deliberately.
In Hashimoto’s, more iodine is not better. For a thyroid already under autoimmune attack, extra iodine can worsen the process you’re trying to settle. Yet iodine, often from kelp, is one of the most common ingredients in supplements marketed for thyroid health. That’s the single biggest reason ThyroBase has no added iodine and is kelp-free, and why what does have evidence behind it (selenium, vitamin D, zinc, gut-supporting probiotics, omega-3 from flaxseed) is in it instead. Not a cure. A daily foundation, designed to sit alongside your medication, never instead of it.
A daily foundation, not a promise to fix you.
AM · Pineapple + Cardamom
Selenium
Bioavailable selenomethionine at a researched dose. Powers the body’s antioxidant selenoenzymes.
Vitamin D3
Plant-sourced D3, a daily top-up to support what sunshine and diet provide. Supports immune function and wellbeing.
Zinc
Zinc gluconate at a researched dose. Supports immune function and the integrity of skin, hair and nails.
PM · Chocolate + Cinnamon
Probiotics
Live cultures chosen for gut support, not for chasing the biggest number on a label. Paired with prebiotic fibre.
Magnesium
The most documented mineral for sleep onset and quality (Abbasi, 2012, RCT). Citrate form, well-absorbed.
Passionflower + Grapeseed
Passionflower is studied for anxiety-driven sleep onset. Grapeseed brings OPC polyphenols for antioxidant support.
No added iodine. Kelp-free. No added goitrogens. Made and formulated in Australia to FSANZ standards. Co-formulated with qualified naturopaths, dietitians, research nutritionists, food scientists, and oncology pharmacists.
Not hormone replacement. Not generic protein. Sits alongside your thyroid medication, never instead of it.
Made and formulated in Australia to FSANZ standards.
Here’s what that standard actually means, row by row.
No added iodine, kelp-free, no added goitrogens
We add no iodine, kelp, or goitrogenic concentrates. Nothing here is designed to push your thyroid in either direction.
Bioactive forms, researched doses
Every nutrient is in a form your body can actually use, at a dose backed by published research, not a proprietary blend hiding the amounts.
Co-formulated with qualified professionals
Naturopaths, dietitians, research nutritionists, food scientists, and oncology pharmacists reviewed every ingredient and dose.
FSANZ compliant manufacturing
Manufactured in Australia to Food Standards Australia New Zealand requirements, start to finish.
| On the label | ThyroBase |
Most thyroid supplements* |
|---|---|---|
| No added iodineNothing dosed in. The AM greens carry only a natural trace. | ||
| Kelp-free, no added goitrogensNo kelp, no soy isoflavones, no goitrogenic concentrates in either formula. | ||
| Every dose printed on the labelNo proprietary blends. Every amount, per serve, on the panel. | ||
| Bioactive formsMethylcobalamin, selenomethionine, magnesium citrate. | ||
| A morning and an evening formulaTimed around thyroid medication, if you take it. | ||
| Made in Australia to FSANZ standardsHACCP-certified facility. Third-party tested, not just by the maker. |
*Based on our review of 200+ thyroid supplements sold in Australia, June 2026. Read the labels and decide for yourself.
A different approach to thyroid nutrition.
Most thyroid supplements are built on iodine and kelp, the two things people after a thyroidectomy, on RAI, or with Hashimoto’s are most often told to be careful with. Some things aren’t up for debate.
Before you decide.
Will ThyroBase lower my antibodies?
We can’t promise that, and anyone who does is overselling it. The research on selenium and antibody markers is real but it’s not a guarantee for any individual. ThyroBase is a nutritional foundation, not a treatment.
How long does delivery take?
Free shipping Australia-wide. Ships from Melbourne within 2 business days, then 3 to 7 business days via Australia Post.
Can I cancel or pause anytime?
Yes. Skip, pause or cancel your subscription anytime, no lock-in, from the link in your emails.
What’s the 60-Day Empty Pouch Promise?
Every order (singles, the Pair, or the System) is covered for 60 days from delivery. Not for you? Every dollar refunded, no return shipping, keep what’s left.
Start your daily foundation.
One-time pricing and full details on the product page.
60 days from your first delivery to decide. Every order is covered (singles, the Pair, or the System). Not for you? Every dollar back, no return shipping, keep what’s left. Terms
- Does it replace my medication?No, it never should. It sits alongside your thyroid medication, never instead of it.
- Safe with the iodine sensitivity?No added iodine, kelp-free. That’s exactly why it was formulated this way.
Prefer to start smaller?
Or 4 interest-free payments from $22.25 on the Pair, AM or PM (one-time only)
Free AU shipping. ThyroBase is a nutritional supplement, not a substitute for prescribed thyroid hormone replacement therapy. Always consult your healthcare professional before starting any supplement.
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ThyroBase is a nutritional supplement and is not intended to diagnose, treat, cure, or prevent any disease. It is designed to sit alongside your thyroid medication, not replace it. Always consult your healthcare professional before starting any supplement, especially if you take prescription medication or are managing an autoimmune condition.