Thyro ADKThyroid Hormone Sensitivity Formula With Vitamin A, D & K2 in Organic Olive Oil Base (90 Servings)
$24.99 — or subscribe to save 10%
- Support your thyroid at the cellular level: vitamins A and D help your cells respond to thyroid hormone*
- “Gold standard” forms across all 3 vitamins*
- Tasteless liquid drops: no pills to swallow*
- Made for thyroid patients: usable with thyroid meds*
Ingredients
- Vitamin A (activated retinyl palmitate) 2,000 mcg RAE
- Vitamin D3 (cholecalciferol) 2,500 IU
- Vitamin K2 as MK-4 (3,000 mcg) and MK-7 (100 mcg)
- Organic extra virgin olive oil base
No gluten, fillers, or binders. See the research below.
How to use
Take 12 drops daily, by mouth or added to a drink, with breakfast. If using with thyroid medication, take it 30-60 minutes before or after.
Shipping and returns
Free US shipping on every order, processed within 1 business day, arriving in 3 to 5 business days via USPS Ground Advantage. 60 day money-back guarantee: if it does not work for you, return it for a full refund. No questions asked.
Treat the root cause: thyroid resistance
Help your thyroid work smarter, not harder
Thyroid patients walk around with “normal” thyroid hormone levels, but in order for it to work, it must activate your cells. If it can’t, you’ll end up with thyroid resistance.
Thyro ADK was designed to support your cellular sensitivity. It supports the action of thyroid hormone inside your cells so it can do its job to help you feel energetic, have a higher metabolism, and grow your hair.*[4][6]
Dr. Westin ChildsThyroid specialist and formulator
Thyroid hormone works inside the cell
T3 has to enter your cells and bind to its receptor before you feel anything. This is where “normal labs but still symptomatic” comes from.[4]
Your cells stop responding
This is thyroid resistance. The hormone is there, but your cells don’t use it like they should.
The right vitamins help your cells respond
Vitamin A supports T3 binding at the receptor, vitamin D3 supports thyroid immune health, and K2 keeps calcium where it belongs.[1][4]*
Why A, D, and K together
What these vitamins do for thyroid patients
Vitamins A, D, and K each do a different job for your thyroid.
Benefits of taking all three include:
- Support for healthy TSH levels and thyroid antibodies[1][3]
- Support for energy and metabolism[4][6]
- Support for your bones, teeth, and heart
- Help with vitamin D deficiency, which is a big problem for thyroid patients[1]
So while you’re supporting your thyroid, these vitamins are supporting the rest of your body too.*
What’s inside
Research-backed ingredients
The actual label, straight off the bottle. Click to enlarge.Vitamin D3 cholecalciferol, 2,500 IU
Thyroid patients have a big problem with vitamin D deficiency, from poor absorption and decreased activation. Vitamin D supplementation in thyroid patients has been shown to positively impact TSH levels and calcium levels[1], and some studies show it can help lower thyroid antibodies, balance immune function, reduce depression, and impact thyroid hormone sensitivity.[3][6] Animal studies have shown that D3 supplements may alter deiodinase type 2 expression, which is responsible for the creation of T3 thyroid hormone.[2]
Vitamin A retinyl palmitate, 2,000 mcg RAE
Vitamin A helps regulate your thyroid at multiple levels: binding of thyroid hormone on the nuclear receptor, pituitary TSH secretion, iodine uptake, liver conversion of T4 to T3, thyroid transport proteins, tissue uptake of T3, and immune health.[4] Vitamin A supplementation in humans has been shown to improve TSH levels, reduce thyroid size, and help prevent goiter.[5]
Organic extra virgin olive oil the carrier
All 3 fat-soluble vitamins are blended together in organic extra virgin olive oil, which ensures the stability of the active ingredients and contains additional polyphenols for added support.
No pills to swallow
Take the drops straight or add them to coffee, water, or a smoothie.
12 drops daily
Recommended dose: 1 serving (12 drops) per day, taken with breakfast.
Organic olive oil carrier
Vitamins A, D, and K are fat-soluble, so they’re blended in organic extra virgin olive oil to improve absorption.
90 servings per bottle
A 3 month supply in one bottle. No gluten, fillers, or binders.
Real-world patient outcomes
What thyroid patients actually report
Pulled from verified reviews and the published Patient Outcomes Report for this formula, not from a study we paid for.
“This product definitely helps me wake up in the morning. I put it in my coffee with some coconut oil. It helps with mental clarity and motivation. It’s very subtle but makes a difference. I can tell if I don’t take it something is missing.”
Sleeping like a baby
Now that I have taken it as directed for the past 3 weeks, I am very happy with the results. I was always tired but never slept, and now I can say I am sleeping like a baby and my mood is much better.
Feeling like my old self
I noticed right away that my energy returned and I was feeling like my old self.
Good lab results at 9 months
After about 9 months of use, I’ve had 2 lab blood tests and have been getting good results. My doctor considers me in remission of Hashimoto’s and is very pleased. I will continue taking these.
Vitamin D levels finally better
I have difficulty maintaining adequate Vitamin D levels in part because I live in the SubArctic. Since I started taking ADK 6 months ago I have found my Vit D levels are much better and my thyroid tests show what I think are positive effects as well.
No pills, no flavor, no hassle
I hate swallowing pills and also hate shopping for supplements. Thyro ADK involves neither! It arrives in the mail, 3 essential vitamins that I need, and comes in liquid drops. It has almost no flavor and there’s no need to make sure you even have water around!
Skin less dry, no bad taste
I do believe that your body absorbs the vitamins better in this liquid form. I feel like the skin on my face has improved and doesn’t feel as dry which is a great added benefit! Also it does not have a bad taste. It really tastes like nothing which makes it easy to use.
Read the full Patient Outcomes Report
Frequently bought together
Patients often pair it with these
-
$43.99 — or subscribe to save 10%T3 Conversion BoosterT3 Thyroid Support Supplement (60 Day Supply)750+ bought in past monthSubscribe & Save 10%Shop NowFree US Shipping -
$39.99 — or subscribe to save 10%Hashimoto's Ab RxThyroid Antibody Support with Nigella Sativa (60 Servings)Subscribe & Save 10%Shop NowFree US Shipping
Your new schedule
Twelve drops, once a day
- 1Take 12 drops dailyBy mouth or added to a drink, with breakfast.
- 2Check it at your next labsVitamin D is easy to track. Reviewers typically saw lab changes at their routine 3 or 6 month follow-up.
- 3Space it from your thyroid medicationIf using with thyroid medication, take it 30-60 minutes before or after.
What to expect
Energy, clarity, and mood
Reviewers most often noticed changes in energy, mental clarity, or mood in this window.
Lab changes
Vitamin D levels, TSH, and thyroid panels typically showed movement at routine follow-up labs.
Noticed when they stop
Long-term users describe noticing the difference within a few weeks of running out.
How it compares
See how Thyro ADK compares
| Thyro ADK | Other ADK formulas | Standard vitamin D | Multivitamins | |
|---|---|---|---|---|
| Made for thyroid patients | ✓ | ✕ | ✕ | ✕ |
| Activated vitamin A (retinyl palmitate) | ✓ | ? | ✕ | ✕ |
| Both forms of K2 (MK-4 and MK-7) | ✓ | ? | ✕ | ✕ |
| Tasteless liquid drops | ✓ | ? | ✕ | ✕ |
| Organic extra virgin olive oil carrier | ✓ | ✕ | ✕ | ✕ |
| Created by a thyroid expert | ✓ | ✕ | ✕ | ✕ |
| Usable with thyroid meds | ✓ | ? | ? | ? |
| 60 day money-back guarantee | ✓ | ✕ | ✕ | ✕ |
Frequently Asked Questions
Thyro ADK provides your body with fat-soluble vitamins that are necessary for healthy thyroid cellular function.
Deficiencies are felt to be very common in hypothyroid patients of vitamin A, D, and K2 due to the impact the thyroid has on the absorption and utilization of these nutrients.
Vitamin D deficiency impacts over 1 billion people worldwide and is likely more common among hypothyroid patients due to the impact low thyroid function has on gut health and stomach acid.
Vitamin A deficiency isn’t as common in developed countries but a combination of iodine deficiency (which is becoming more common in developed countries) along with sub-optimal vitamin A levels can negatively impact thyroid function.
Due to the decreased conversion of vitamin K1 to vitamin K2, many hypothyroid patients are likely getting insufficient amounts of this important hormone vitamin.
Thyro ADK features all three of these vitamins in an organic olive oil base designed to help replace these levels to support healthy thyroid cellular function.
The bottom line? The more active your cells are to thyroid hormone, the better you will feel.
For best results, shake well prior to using and apply 12 drops by mouth with a fatty meal (breakfast works!) each day. To minimize the flavor, you can also place the 12 drops into juice, milk, or any beverage of your choice.
There’s no need to refrigerate Thyro ADK for storage purposes.
If you do place it in the refrigerator, please note that the contents may turn into a solid much like coconut oil turns into a solid when it’s cold.
If that happens, all you need to do is put it out at room temperature for about 20-30 minutes and it will return to a liquid.
It is not necessary to take Thyro ADK with a meal but we do recommend it for better absorption.
Thyroid cellular sensitivity is just a way to describe how receptive your cells are to thyroid hormone.
We know that there are both acquired and genetic thyroid resistance syndromes that can impact how well thyroid patients respond to thyroid medications and thyroid hormones produced from their own thyroid gland.
These resistance syndromes are very similar to those seen with other hormones such as insulin resistance, progesterone resistance, leptin resistance, and cortisol resistance.
What this means for you is that you may have adequate thyroid hormone floating around in your bloodstream but your cells may not be able to properly utilize that hormone.
For all intents and purposes, this makes your cells think you are in a hypothyroid state.
If your cells are unable to utilize thyroid hormone then you will not experience the benefits of thyroid medication or optimizing your own thyroid gland.
Physiologically speaking, your body requires the use of certain vitamins to help your cells use thyroid hormone.
Thyro ADK works on the premise that providing your body with these vitamins may help your cells better communicate with thyroid hormones and improve these thyroid resistance syndromes.
The study of thyroid resistance is limited, however, so right now we are working primarily with our understanding of physiology and thyroid patient experience.
The general experience among many thyroid patients is that taking fat-soluble vitamins like ADK can help reduce thyroid symptoms.
For more understanding as to how this process may work at the cellular level, please see the references at the end of the page.
If you are using 12 drops per day (the recommended serving size), the bottle will last 90 days or about 3 months.
Vitamin K2 is critical for thyroid patients for 3 main reasons:
#1. Vitamin K2 can help move calcium out to your arteries and into your bones.
Thyroid patients are at increased risk for developing heart disease (heart attacks) due to the impact thyroid hormone has on cholesterol.
Heart attacks stem from the development of plaques in the walls of the arteries found in your heart.
The formation of these plaques is a complicated process but both cholesterol and calcium play a role here.
Taking vitamin K2 has been shown to help properly shuttle calcium to the locations you want it to go (while avoiding the locations you don’t want it to go).
In this case, it helps move calcium away from your arteries and into your bones.
#2. Vitamin K2 can help strengthen bones and reduce your risk of fractures.
Thyroid patients are at increased risk for premature bone loss due to the impact thyroid hormone has on bone quality and bone strength.
Both types of thyroid dysfunction (hyperthyroidism and hypothyroidism) result in problems with the structure and quality of your bones.
In hyperthyroidism, your bones turn over excessively and become more brittle.
In hypothyroidism, your bones remain intact, but their quality is reduced.
Both states increase your risk of fractures and long-term complications related to bone health.
Forms of vitamin K2 have been shown to help strengthen bones which is critical for thyroid patients.
#3. Vitamin K2 has anti-cancer activity.
Thyroid patients are at increased risk for developing multiple types of cancers from a combination of thyroid dysfunction and the use of certain thyroid medications.
Recently, there have been some large studies that indicate there’s a correlation between levothyroxine use and the development of multiple types of cancer.
We also have data that shows that thyroid patients develop cancer at higher rates than the average population.
Whether that’s because of their medication or because of the impact that thyroid dysfunction has on the body, it doesn’t matter.
As a thyroid patient, you should be aware of these risks and mitigate them as much as possible.
Vitamin K2 has been shown to have anti-cancer properties providing an added benefit on top of its effects on bone and heart health.
Thyro ADK features both active forms of vitamin K2 as MK-4 and MK-7.
Many supplements will use one over the other, but to get the full spectrum of benefits of vitamin K2 it’s important to use both.
Each form of K2 provides benefits to different tissues.
For instance, MK-7 appears to make it more readily to your bones providing better bone health benefits than MK-4.
MK-4, on the other hand, concentrates in tissues outside of the bones making it the better option for its anti-cancer effects and for supporting sex hormones.
As a thyroid patient, it’s important to get the full spectrum of benefits that K2 provides which is why both forms are included in this supplement.
Each serving (12 drops) contains 62.5mcg or 2,500 IU of vitamin D3.
Like all of my supplements, Thyro ADK can be used with all thyroid medications but just be sure to use it at least 30-60 minutes away from whenever you take your thyroid medication.
This will ensure that the ingredients do not cause any issues with the absorption of your thyroid medication.
Most people take Thyro ADK in the morning but it can be taken at any time of the day.
For as long as you feel that it is helping! It can safely be used indefinitely.
Some thyroid patients will want to use it long-term as a continual source of fat-soluble vitamins that can be difficult to obtain from their diet.
Other thyroid patients may find the benefit of using it temporarily for a few months to replace low levels while they optimize their diet and get back on track.
The vitamin D3 in Thyro ADK is sourced from lanolin which means it is not vegan.
Thyroid function is slow to respond when compared to other hormone systems in the body.
It takes 6 weeks of daily use of any thyroid hormone or thyroid support supplement before your body will reach a steady state which means it will take this long before it completely enters your system.
It’s usually around this time that you will start to see changes in how you are feeling but I recommend using any thyroid support supplement or medication for at least 90 days before determining whether or not it’s working for you.
Thyro ADK is very well tolerated and should not cause any negative side effects.
Yes! Thyro ADK can be used with all thyroid conditions including hyperthyroidism.
The use of Thyro ADK will not make your hyperthyroidism worse.
In fact, many studies have shown that taking vitamin D3 may help improve thyroid autoimmune diseases like Hashimoto’s and Graves’ disease.
It is gluten-free and it doesn’t contain any inactive fillers or binders!
The only other ingredient aside from the active ingredients is organic extra virgin olive oil.
All domestic orders receive free shipping regardless of price. Orders are typically processed within 1 business day, they are shipped out via USPS Ground Advantage and typically arrive within 1-3 business days.
We also offer intentional shipping to most countries as well! International orders ship free if the order value is greater than $250 USD. Otherwise, the price of shipping is calculated on the checkout page. We primarily use USPS for international shipments.
All of my products come with a 60-day money-back guarantee. I’m confident that my products will work for you but, in case they don’t, for whatever reason, you can return them for a full refund within 60 days. It makes purchasing them a no-brainer!
You can find more information about our return and refund policy by clicking here.
Yep! Every single batch of supplements undergoes third-party testing for heavy metals, pathogens, ingredient profile, and purity. In addition, my products are produced in a GMP-compliant facility in the United States.
Don’t hesitate to reach out! Please email us at hello@restartmed.com and we will do our best to get back to you within a day or so! You can also call us here: (480) 331-9431.
Questions about our quality standards? Please see this article for more information.
Buying with confidence
If it doesn’t work, you don’t pay for it
60 day money-back guarantee
Return it within 60 days for a full refund. No questions asked and no hoops to jump through.
Third-party tested, every lot
Tested by an ISO-accredited lab for heavy metals, pathogens, bacteria, mold and yeast. See the results
Free domestic shipping
Every US order ships free via USPS regardless of price, usually processed within one business day.
Scientific References
Clinical Research & Scientific References
1. Talaei, A., et al. (2018). The Effects of Vitamin D Supplementation on Thyroid Function in Hypothyroid Patients: A Randomized, Double-blind, Placebo-controlled Trial. Indian Journal of Endocrinology and Metabolism. doi:10.4103/ijem.IJEM_603_17.
2. Alrefaie, Z., et al. (2015). Effect of vitamin D3 on thyroid function and de-iodinase 2 expression in diabetic rats. Archives of Physiology and Biochemistry. doi:10.3109/13813455.2015.1107101.
3. Chaudhary, S., et al. (2016). Vitamin D supplementation reduces thyroid peroxidase antibody levels in patients with autoimmune thyroid disease: An open-labeled randomized controlled trial. Indian Journal of Endocrinology and Metabolism. doi:10.4103/2230-8210.179997.
4. Capriello, S., et al. (2022). The relationship between thyroid disorders and vitamin A: A narrative minireview. Frontiers in Endocrinology. doi:10.3389/fendo.2022.968215.
5. Farhangi, M.A., et al. (2012). The effect of vitamin A supplementation on thyroid function in premenopausal women. Journal of the American College of Nutrition. doi:10.1080/07315724.2012.10720431.
6. Appunni, S., et al. (2021). Association between vitamin D deficiency and hypothyroidism: results from the National Health and Nutrition Examination Survey (NHANES) 2007-2012. BMC Endocrine Disorders. doi:10.1186/s12902-021-00897-1.
7. Koitaya, N., et al. (2009). Effect of low dose vitamin K2 (MK-4) supplementation on bio-indices in postmenopausal Japanese women. Journal of Nutritional Science and Vitaminology. doi:10.3177/jnsv.55.15.
8. Chatron, N., et al. (2019). Structural Insights into Phylloquinone (Vitamin K1), Menaquinone (MK4, MK7), and Menadione (Vitamin K3) Binding to VKORC1. Nutrients. doi:10.3390/nu11010067.
Additional information
| Weight | 0.25 lbs |
|---|---|
| Dimensions | 1.25 × 1.25 × 4 in |
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
**Results may vary.
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