Essential T2 | Bioidentical T2 Thyroid Support Supplement (3,5 Diiodo-L-Thyronine)
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Essential T2 contains bioidentical T2 thyroid hormone designed to provide your body with an exact replica of the same T2 thyroid hormone it would create in a healthy state. This supplement can help you create a more comprehensive thyroid hormone replacement regimen, one that mimics what the body produces naturally. Each capsule provides 100mcg of 3,5 Diiodo-L-Thyronine.
Description
Take Control Of Your Thyroid Symptoms with T2
Will putting bio-identical T2 thyroid hormone into your body supercharge your thyroid and remove the need for thyroid medication?
Nope.
But it will…
- Support the function of T3 and T4 thyroid hormones*
- Provide benefits to your fat cells, liver cells, and metabolism*
- Improve energy & fight fatigue*
- And better help you control your thyroid-related symptoms*
And when you purchase any supplement from Dr. Westin Childs, you get the added benefit of knowing:
- Every product is relentlessly tested and formulated using a combination of clinical experience and research.
- We go above and beyond in testing and evaluating our supplements for safety and efficacy using transparent third-party tests. Every lot is tested by an ISO-accredited laboratory for heavy metals, pathogens, mold, toxins, and bacteria ensuring the best possible product for you.
- Every order is backed by our 60-day money-back guarantee.
Simple Dosing, Impressive Results

How to use for
Thyroid Support
For best results, take 1-2 capsules each day, before noon, 30-60 minutes away from food. Can be taken at the same time as thyroid medication.
Benefits of More T2

Thyroid Symptom Support
5 out of 10 thyroid patients continue to experience low thyroid symptoms even with normal labs. Taking T2 can help provide support to these symptoms.*

Energy & Metabolism Support
Research has shown that T2 thyroid hormone supports cellular ATP production, heat regulation, and skeletal muscle health.*

Balanced Thyroid Hormones
The healthy thyroid gland produces four thyroid hormones: T4, T3, T2, and T1. By taking T2, you are more closely mimicking the healthy thyroid gland.*

Usable With Thyroid Medication
Essential T2 can be taken with every type of thyroid medication including natural, synthetic, and NDT formulations.*
By supporting T4 and T3 function, and through its own cellular action, T2 thyroid hormone:
- Regulates basal metabolic rate*
- Activates detoxification enzymes in the liver*
- Activates brown adipose tissue*
- Increases cellular ATP production*
- Regulates cholesterol production*
- Assist muscles in burning fat and maintaining muscle health*
- Protects kidney function*
- Assist in the regulation of blood sugar*
- Help determine muscle tone*
Ensuring Accuracy & Results in Every Dose

Bioidentical T2 as 3,5 diiodo-l-thyronine
Essential T2 provides an exact match replica (referred to as body-identical or body-identical) of the T2 thyroid hormone that your body would produce naturally in its most active form. This ensures maximum usability in your cells, better synergy with other thyroid hormones, & better symptom control.

Batch-Up Manufacturing Process
As a pioneer in T2 supplements, Dr. Childs has created a batch-up manufacturing process. This process of blending and mixing our raw material allows for the even distribution of thyroid hormone throughout the entire manufacturing process from mixing to encapsulation.

Why Dr. Childs Recommends It
“Most thyroid patients are aware of T4 and T3 but they forget about T2. This is a big mistake because T2 thyroid hormone is necessary for optimal thyroid function!
Taking T2 thyroid hormone can provide your body with a more natural thyroid hormone profile and help with persistent low thyroid symptoms while on other thyroid medications.“
Used by over 90,000 people who have left over 13,000 reviews
Ingredients That Work
Ingredients and dosages are thoughtfully chosen, relentlessly tested, and continually refined.
Physician Formulated
All formulas have been created by Dr. Westin Childs based on his clinical experience and evaluation of peer-reviewed scientific research.
Made in the USA
Our supplements are proudly made in the USA, with globally sourced ingredients, in a GMP-compliant facility and shipped from Mesa, Arizona.
Third-Party Tested
Every single supplement lot is third-party tested for heavy metals, microbes, mold, and contaminants by an ISO-accredited lab testing facility.
Free Domestic Shipping
Every order (regardless of price) placed in the U.S.A. will ship free with USPS.
60-Day Money Back Guarantee
If you don’t love your supplements then you can return them for a full refund! No questions asked and no hoops to jump through.
Frequently Asked Questions
3,5 Diiodo-L-Thyronine is the official medical name for T2 thyroid hormone. Each thyroid hormone has a name based on the number of iodine atoms found bound to it.
T4 thyroid hormone is known as thyroxine, T3 thyroid hormone is known as triiodothyronine, and T2 thyroid hormone is known as 3,5 diiodo-l-thyronine.
Don’t let the name confuse you, though, it’s just another way to say T2 thyroid hormone.
If you are a thyroid patient then there’s a good chance you can benefit from taking T2 thyroid hormone. Here’s why:
Your body creates T2 thyroid hormone in the natural and healthy state. When you take thyroid medications (of any type) including levothyroxine, you are shutting down the natural production of thyroid hormones from your thyroid gland.
This is both a good and a bad thing. Good because it is providing you with the hormone that you desperately need but bad because it’s also shutting down the production of other thyroid hormones such as T3 and T2 in the process.
We don’t know as much about T2 thyroid hormone as we do about T4 and T3 but what we do know suggests that T2 thyroid hormone is an important part of thyroid hormone regulation and plays an important role in several different areas.
In cases of complete thyroid gland destruction (such as radioactive iodine ablation), complete thyroid removal (such as thyroidectomy), and end-stage Hashimtoo’s then using T2 thyroid hormone is a no-brainer because your body is no longer producing it.
Taking T2 thyroid hormone in conjunction with T4 and T3 thyroid medications provides you with a more comprehensive thyroid profile similar to what the healthy thyroid gland produces naturally.
Essential T2 features a synthetic source of T2.
Thyroid patients sometimes assume synthetic thyroid hormones are automatically bad just because they are synthetic but that isn’t the case.
All thyroid medications are bioidentical, where they differ is the source.
Natural Desiccated Thyroid medications are considered “natural” because they come from animals (usually pigs).
But just because something comes from animals doesn’t mean it’s automatically safe, either!
We know from studies that horse hormones, for instance, can cause problems in humans.
We also know that animal proteins (such as those found in NDT) can exacerbate and flare up the immune system in humans.
What’s more important than the source is whether or not the hormone is bioidentical and Essential T2 contains bioidentical T2 thyroid hormone.
Yes! Essential T2 can be used with other thyroid medications.
And, just like other thyroid medications, you will want to treat T2 thyroid hormone in a similar way.
That means taking Essential T2 on an empty stomach, away from food and drink, and at least 30-60 minutes away from other supplements and medications.
It is also likely that T2 thyroid hormone will help both T4 and T3 thyroid medications work more effectively.
Unfortunately, right now there isn’t a readily available way to test your free T2 level.
The testing for T2 exists but right now it’s primarily used for research purposes.
Even though you can’t directly test your T2 level, there are still ways to indirectly assess whether you have enough.
Here are a few:
#1. You can estimate your T2 level by looking at your T3 level. This works because the major source of T2 in the body is from T3 to T2 conversion. If your body is low in T3 then you know you lack the substrate to make T2.
#2. You can look at proxy measurements of your metabolism such as your resting heart rate and basal body temperature. These are not perfect measures of your metabolism, but they can track with your thyroid status (but not always).
#3. You can look at your thyroid symptoms. If you are still experiencing low thyroid symptoms even while taking thyroid medication (and other factors have been ruled out), then it’s likely your thyroid hormones are not optimized. In a perfect world, you should optimize T2 levels like you would optimize T4 and T3 levels.
For best results, take 1-2 capsules in the morning, on an empty stomach, and at least 30-60 minutes away from other supplements. Can be taken at the same time as thyroid medication.
Because Essential T2 contains thyroid hormone, you will want to take it in a similar way as your thyroid medication (if you take any).
It’s best to start out with 1 capsule per day (which provides 100mcg of T2) and increase up to 2 capsules per day after a few days as long as you can tolerate the 1 capsule dose.
Essential T2 can be used indefinitely (forever if you want)!
Why? Because it’s bioidentical to the thyroid hormone that your body produces naturally.
In a healthy state, your thyroid would be producing T2 continuously throughout your life.
This is not the case in many hypothyroid patients, though, so Essential T2 serves to replace that lost thyroid hormone via supplement form.
When used at the correct dose, Essential T2 should not have an impact on thyroid lab tests.
This is based on studies that show that using doses of up to 300mcg per day does not significantly impact TSH, free T3, and free T4 levels.
Whenever you are trying to improve your thyroid function, though, whether that be through natural therapies or with the use of thyroid medications, it’s always a good idea to keep an eye on your thyroid lab tests.
If you notice a change in how you are feeling then rechecking your thyroid lab tests (with a complete thyroid lab panel) would be a good idea after 6-8 weeks of continuous use.
With physician supervision, if you see changes in your thyroid function then you can make appropriate changes to your thyroid medication at that time.
Essential T2 is generally very well tolerated when used at our recommended doses.
Patients have reported side effects which range from more energy, a better quality of life, higher metabolism, weight loss, improved sleep, reduced brain fog, and many others.
Because your thyroid influences just about every cell in your body, the side effects that you may experience when improving thyroid function are variable.
In other words, the benefits you obtain from using it might be different from the next person and so on.
Thyroid medications like levothyroxine and Synthroid contain T4 thyroid hormone in the form of thyroxine.
Thyroid medications like Cytomel and liothyronine contain T3 thyroid hormone in the form of triiodothyronine.
The only prescription thyroid medication that contains small amounts of T2 are medications in the Natural Desiccated Thyroid family which include medications like Armour thyroid, NP thyroid, and Nature-Throid.
T2 thyroid hormone is the only thyroid hormone that doesn’t require a prescription medication because it is not as powerful as the other hormones mentioned.
There are no standard tests available for testing free T2 levels, unfortunately. Assays are currently being developed, though, and T2 testing will likely become a regular part of thyroid hormone testing in the future.
There will likely come a time when thyroid patients receive all thyroid hormones as part of their thyroid medication regimen including T4, T3, and T2.
Yes, not only can you use it in this situation but it would also be a great idea to do so!
The reason is simple:
Once your thyroid gland has been removed it can no longer produce any thyroid hormone including T2.
This means your only method of obtaining T2 thyroid hormone is via supplement form or through medications like Armour thyroid.
Many thyroid patients without a thyroid are not taking these medications, though, which means they are not benefitting from T2 thyroid hormone.
This same concept applies to those who are post radioactive iodine ablation and those in end-stage Hashimoto’s.
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.
The most obvious way will be to assess your symptoms or how you are feeling!
T2 thyroid hormone shouldn’t have a big impact on your thyroid lab tests (which is by design) so the best way to assess if it’s working is based on your symptoms.
Most people have an intuitive sense of how they are feeling and can tell if thyroid support supplements are working based on that alone.
If you are having a harder time keeping track then I recommend keeping a journal or record of things such as your daily energy level, how you are sleeping, the quality of your sleep, your body temperature, your resting heart rate, your body fat percentage, your body weight, and a general sense of your mood.
These are all indirect measures of thyroid function and can help you determine how Essential T2 is helping you.
Yes! I created Essential T2 with both thyroid medications and thyroid supplements in mind.
It wouldn’t be a very good thyroid support supplement if thyroid patients couldn’t use it with other thyroid medications or thyroid supplements!
It can safely be used with all of my other thyroid support supplements and will become a part of certain thyroid bundles in the future because I believe it is that important for healthy thyroid function.
Good question and yes! Formulations of natural desiccated thyroid such as Armour thyroid contain some amount of T2 thyroid hormone which is why this question comes up.
The dosing of T2 in NDT is variable and is not felt to contribute significantly to the effectiveness of these medications.
Aside from the active ingredient (3,5 Diiodo-L-Thyronine), Essential T2 contains hypromellose, microcrystalline cellulose, and Nu-Flow Rice Fiber.
All of these inactive ingredients are considered very safe and should not cause any issues.
They are included in this supplement to ensure consistent dosing of the active ingredient so that you know you are getting as close to 100mcg per capsule as possible.
Essential T2 is not considered a weight loss supplement. It is considered a thyroid support supplement that was designed to provide thyroid patients with a more balanced thyroid hormone profile.
Having said that, studies that evaluate the effect of T2 thyroid hormone on the metabolism have been positive.
It’s clear that T2 thyroid hormone does have some impact on both metabolism and the T3 receptor.
One animal study showed that using 300mcg/day of T2 caused a significant increase in resting metabolic rate (metabolism) with a corresponding decrease in body weight over several weeks (6).
These benefits were seen without altering free T3, free T4, and TSH levels.
When used correctly, and in conjunction with healthy lifestyle changes, it’s possible that weight loss may be a positive secondary side effect of its use.
I don’t recommend using T2 for the primary purpose of weight loss, though.
It’s best used to provide your body with normal thyroid hormone regulation and if the result of that is weight loss, then that’s great.
But the potential for abuse is too high which is why it should only be used by those who need it (those with thyroid dysfunction).
If you are a thyroid patient who is struggling to lose weight, optimizing your thyroid function is a necessary step as it controls and regulates your metabolism.
When using any thyroid support supplement, including Essential T2, combine it with a healthy whole-food diet, regular exercise, and intermittent fasting for the best possible results.
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 international 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.
Scientific References
#1. https://pubmed.ncbi.nlm.nih.gov/8708544/
#2. https://pubmed.ncbi.nlm.nih.gov/9644223/
#3. https://pubmed.ncbi.nlm.nih.gov/21739248/
#4. https://www.jstage.jst.go.jp/article/endocrj1954/30/2/30_2_167/_article
#5. https://pubmed.ncbi.nlm.nih.gov/24602963/
#6. https://pubmed.ncbi.nlm.nih.gov/22217997/
#7. https://www.frontiersin.org/articles/10.3389/fendo.2019.00088/full
#8. https://pubmed.ncbi.nlm.nih.gov/22948212/
#9. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4272398/
#10. https://pubmed.ncbi.nlm.nih.gov/25322465/
Additional information
Weight | .125 lbs |
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Dimensions | 2.25 × 2.25 × 4.25 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.
Essential T2 | Bioidentical T2 Thyroid Support Supplement (3,5 Diiodo-L-Thyronine)
This is a constant reorder to care for my hashimotos
I love this entire line of supplements, but the Essential T2 has been the game changer for me for sure! I have suffered...SUFFERED, for ten years with day to day weight fluctuations, weakness, and difficulty maintaining or putting on muscle mass. I have used many different supplements and nutrition suggestions to help stabilize my weight, but this bioidentical has been such a gift. I feel stronger and can go longer (less muscle fatigue) in the gym and have been able to actually see steady weight loss and less weight fluctuations while using this along with T3 conversion, Leptin Resistance supplements. Highly recommend as an addition to your daily Thyroid health. I already take Cytomel and Armour, but this seemed to make just the right difference in how I feel and how my body responds to daily physical stress in the gym. I don't know how to explain it, but my body has just always felt weak even with bloodwork coming back in optimal ranges. So happy I found Essential T2 and the quality of Restart Med.
I was experiencing a sudden weight gain that my family physician told me that I was getting older, and I needed to gain weight anyway. I did some research and came across Dr. Westin Child's explanation about the thyroid. So, I tried out some of his products an voila my wight is back to normal. I am feeling so much better!
I bought this because I somehow knew I needed it. When I got it home I muscle tested it and, yep! I do need it. I love that it’s available! Wish Dr. Child’s still took new patients!