T3 Conversion Booster is Thyroid Superfood - See How it Works
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4.6 Star Review Based on over 1,200 Reviews from Thyroid Patients

Superfood for your Thyroid

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Solve your thyroid symptoms like...

  • Low energy, hair loss, weight gain, constipation, joint pain, depression, anxiety, cold intolerance, mood swings, muscle pain, dry skin, and more.

T3 Conversion Booster provides your thyroid with everything it needs to naturally produce more T3 thyroid hormone and assist in T4 to T3 conversion.

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More than 1,200+ thyroid patients agree, T3 conversion booster: 

Helps you feel better even on thyroid medication

Levothyroxine and Synthroid only work if you are converting them into the active thyroid hormone. 

Boost T3 levels naturally

T3 is the single most important thyroid hormone in your body and the one that is most often ignored by doctors.

Enhances Metabolism and calorie burn

It's pretty simple. More T3 = higher metabolism = more calories burned. 

Manages other symptoms of hypothyroidism and hashimoto's

All hypothyroid symptoms stem from low thyroid function! By boosting your T3 levels these symptoms will improve. 


What our customers are saying:

t3 conversion booster updated reviews from may 2022
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How it works:

It's actually quite simple. T3 Conversion Booster provides your thyroid with all of the nutrients it needs to convert T4 into T3. Without T3 your thyroid simply cannot function making this process more important than even taking thyroid medication. 


So many thyroid patients suffer from persistent hypothyroid symptoms even while taking thyroid medication! Much of this stems from T4 to T3 conversion problems due to genetics, inflammation, taking the wrong medication, not eating the right foods, being overweight, and so on. 


T3 Conversion Booster helps level the playing field by helping your body push more T3 out of whatever T4 you are creating or taking with thyroid medication. 


And it works for every hypothyroid condition. Including those people who don't have a thyroid (you still need to convert the T4 medication you take, after all!). It's safe for Hashimoto's thyroiditis patients and it can be safely used with all types of thyroid medications including NDT and T3. 

Full Ingredient List:

How does the magic happen? These capsules contain ALL of the necessary vitamins, nutrients, and botanicals that your thyroid needs to assist in reducing inflammation, pushing out more T3 through conversion, and enhancing cellular thyroid activity with the following nutrients:


  • Vitamin A (as retinyl palmitate) 1500 IU
  • Vitamin D3 (cholecalciferol) 200 IU
  • Vitamin E (as d-alpha tocopheryl succinate) 50 IU
  • Iodine (from organic celandic kelp)(Laminaria digitata)(stem and leaf) 75mcg
  • Zinc (as zinc citrate) 5mg
  • Selenium (as L-selenomethionine) 100mcg
  • Guggulsterones (from guggul extract) Commiphora mukul)(gumexudate) 50mg
  • Rosemary Extract (Rosemarinus officinalis)(leaf) 50mg
  • Ashwagandha (Withania somnifera)(root) 50mg
  • Other Ingredients: HPMC (capsule), stearic acid, silica, magnesium stearate, calcium silicate, and medium-chain triglyceride oil.


    The T4 to T3 Conversion Blend (Help increase peripheral thyroid conversion)* 

    T3 Conversion Booster is specifically designed to contain ingredients that help boost thyroid conversion. This unique blend of ingredients helps the body increase the natural T4 to T3 conversion process by providing the necessary nutrients for this process and by helping to reduce inflammation which can act to reduce this process.

    • Guggulsterones –> Studies have shown that guggulsterone may exhibit a strong thyroid stimulatory action when taken daily, in addition, studies have shown that guggul extract increases iodine-uptake and enhances thyroid peroxidase function.*
    • Rosemary Extract –> This powerful anti-oxidant helps reduce inflammatory levels in the body and may help improve T4 to T3 conversion through this mechanism. Rosemary has also been shown to help improve cognition and may act as both an anxiolytic and anti-depressant.* (See literary references below)*
    • Ashwagandha –> Ashwagandha is an adaptogenic supplement that has been shown to help increase T4 and T3 levels, normalize TSH levels in patients with subclinical hypothyroidism and help improve cortisol regulation. This isn’t even taking into account the beneficial effects that Ashwagandha has on weight loss and the building of muscle mass. These benefits make Ashwagandha one of the premiere thyroid nutrients.*
    • Zinc –> Zinc acts as an anti-oxidant and anti-inflammatory agent in the body. Zinc also helps promote T4 to T3 conversion and many patients are zinc deficient.*
    • Selenium –> Selenium helps improve immune function and also helps promote T4 to T3 conversion and works very well when combined with zinc.*

    The Thyroid Cellular Sensitivity Blend (Help improve thyroid cellular function)* 

    In addition to boosting T4 to T3 conversion, your body must also be able to adequately utilize thyroid hormone at the cellular level. Several nutrients have been identified to be involved in this process and these ingredients are included in T3 conversion booster.

    • Vitamin A –> Vitamin A deficiency results in a reduction in total T3, total T4, Free T3 and free T4 which improves upon replacement. Furthermore, Vitamin A therapy appears to be involved in the enzymatic conversion of T4 to T3 in addition to thyroid cellular action.*
    • Zinc –> In addition to improving T4 to T3 conversion, zinc also may help promote thyroid cellular function.*

    The Thyroid Biosynthesis Blend (Help your body produce more thyroid hormone)*

    • Iodine –> Iodine creates the backbone of thyroid hormone and is required in optimal amounts for proper thyroid hormone production. Low iodine may result in reduced thyroid function and hypothyroidism. Regulatory bodies recommend 150mcg of iodine daily for non-pregnant and non-lactating women and up to 220 to 290mcg per day for pregnant and lactating women while the average American daily consumption of iodine is estimated to be around 130mg per day. This creates up to a 20mcg to 90mcg deficiency in iodine per day in individuals unless they are actively consuming iodine-rich foods.
    • Vitamin D3 –> Patients with low thyroid function and more likely to have low levels of Vitamin D. In addition, the severity of hypothyroidism tracks closely with the degree of Vitamin D deficiency. Vitamin D also plays an important role in immune function and low levels increase the risk of developing an autoimmune disease such as Hashimoto’s thyroiditis.
    • Vitamin E –> Vitamin E helps protect the integrity of your cell membranes and acts as a powerful anti-oxidants which may indirectly help improve thyroid function.
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    100% Satisfaction Guarantee

    You are fully protected by our 100% Satisfaction-Guarantee. If you don't love T3 Conversion Booster (for any reason) just reach out to us within 60 days of your purchase and we will happily refund your purchase. I really only want to help and I truly believe that my products are the best on the market for treating thyroid patients. 

    Dr. Westin Childs

    Frequently Asked Questions

    Can I take it with thyroid medication? 

    How long do I need to take it for?

    Is it safe if I have Hashimoto's?

    Is this manufactured in the United States?

    Is my purchase on autoship?

    Does this replace my thyroid medication?

    How do I take T3 conversion booster? 

    What is your refund policy?

    What if I don't have a thyroid?

    How long will each bottle last?

    How do you ensure quality of your products?

    What if I have more questions?

    Get Started Now

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    free shipping, 60 day guarantee, manufactured in USA

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