ThyroSyn
- ThyroSyn provides a comprehensive blend of nutrients, glandulars, and targeted herbals designed to support healthy thyroid function.
- This advanced formula supports the complex needs of the entire HPT (hypothalamic-pituitary-thyroid) axis.
- Supports the complete thyroid cycle—from hormone production to conversion to cellular activation.
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- Iodine (from Kelp)
- Selenium (as Selenomethionine)
- N-Acetyl L-Tyrosine
- Thyroid Glandular
- Anterior Pituitary Glandular
- Hypothalamus Glandular
- Ashwagandha Extract (Withania somnifera)
- Milk Thistle Extract (Silybum marianum)
- Zinc (as Zinc Picolinate)
- Vitamin B6 (as Pyridoxal-5-Phosphate)
- Vitamin B12 (as Methylcobalamin)
- Additional thyroid-supporting nutrients
Label Information
- Contents: 60 capsules per bottle
- Serving Size: 1-2 capsules
- Dosing: 1-2 capsules daily with food or as directed by healthcare professional
- Vehicle: Vegetarian capsules
- Best taken: Morning with breakfast for optimal energy support
Warnings/Cautions
- Consult your healthcare provider before use if you have thyroid disease or are taking thyroid medication
- Not recommended during pregnancy or nursing without professional guidance
- May interact with thyroid medications; monitor levels if combining
- Keep out of reach of children
- Store in a cool, dry place
- Do not use if seal is broken or missing
Usage
Dietary Supplement
Note
ThyroSyn provides nutrients, glandulars, and targeted herbals to support the thyroid and the HPT axis. This comprehensive formula is designed to support healthy thyroid function naturally.
The Impact of Thyroid Dysfunction
Understanding how your thyroid affects every cell in your body reveals why comprehensive support is essential:
- Your thyroid controls metabolism in every single cell—when it's sluggish, everything slows down[1]
- Thyroid hormones influence over 100 enzymes critical for energy, weight, and mood[2]
- Environmental toxins, stress, and nutrient deficiencies can disrupt thyroid function[3]
- Up to 60% of people with thyroid issues don't know they have them[4]
- Even "normal" lab results can hide suboptimal thyroid function affecting your daily life[5]
→ Your thyroid is a small gland with an enormous job—and in today's world, it needs sophisticated support.
Top Benefits
Supports Healthy Hormone Production
Provides the essential building blocks—iodine, tyrosine, and selenium—your thyroid needs to produce adequate hormones naturally.
Supports T4 to T3 Conversion
Selenium and supporting nutrients help your body convert inactive T4 to active T3, addressing a common hidden cause of thyroid symptoms.
Nourishes the HPT Axis
Glandular support for hypothalamus, pituitary, and thyroid helps restore communication in this critical feedback system.
Supports Reverse T3 Formation
Milk thistle supports liver function to help prevent conversion to unusable reverse T3 during times of stress.
Supports Stress Response
Ashwagandha helps modulate the stress that can suppress thyroid function and disrupt the entire endocrine system.
Who It's For
ThyroSyn Is Ideal For Those:
- Experiencing fatigue, brain fog, or sluggish metabolism
- Struggling with weight despite diet and exercise
- Feeling cold, especially hands and feet
- Dealing with hair loss, dry skin, or brittle nails
- Wanting to optimize thyroid function naturally
Energize your metabolism. Transform your vitality.
See The Results Others Are Experiencing
"My energy came back, my hair stopped falling out, and I finally started losing weight. ThyroSyn addressed what my labs said was 'normal.'"
ThyroSyn User, Age 42
"This is my go-to for patients with subclinical hypothyroid symptoms. It provides comprehensive support without requiring medication."
Functional Medicine Physician
"The brain fog lifted within weeks. I feel like myself again—warm, energetic, and mentally sharp."
ThyroSyn User, Age 38
Key Ingredients
Iodine & Selenium[6]
Essential minerals for hormone production and activation
N-Acetyl L-Tyrosine[7]
Superior absorption form of thyroid hormone building block
Thyroid, Pituitary, Hypothalamus Glandulars[8]
Targeted support for the entire HPT axis
Ashwagandha[9]
Adaptogenic herb shown to increase T4 levels
Milk Thistle[10]
Liver support for maintaining hormone conversion
Additional thyroid-supporting nutrients
Complete formula for comprehensive thyroid health
What Makes ThyroSyn Different?
- Supports the entire HPT axis, not just the thyroid
- Includes glandular support for targeted regeneration
- Supports both hormone production AND conversion
- Helps support healthy reverse T3
- Supports Balance of the stress-thyroid connection
The Science of Thyroid Support
ThyroSyn recognizes that thyroid health is about more than just one gland. This formula supports the delicate feedback system between your brain and thyroid while providing the nutrients needed for optimal hormone production and utilization.
Comprehensive Metabolic Support
When your thyroid functions optimally, you feel it everywhere—energy increases, weight normalizes, mood improves, and that inner warmth returns. ThyroSyn provides the multifaceted support your thyroid needs to fulfill its crucial role.
Because optimal thyroid function means optimal you.
Progressive Metabolic Support
While some notice increased energy quickly, ThyroSyn works progressively to support long-term thyroid health and metabolic function.
By weeks 2-4 of consistent use, many report:
Sustained energy throughout the day
Support for Mental Clarity and Focus
Better temperature regulation
Healthier hair, skin, and nails
Easier weight management
Thyroid support for overall metabolic wellness
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. Thyrosyn is a dietary supplement. Individual results may vary. Always consult with your healthcare provider before starting any new supplement, especially if you are pregnant, nursing, have a medical condition, or are taking other medications.
ThyroSyn
- ThyroSyn provides a comprehensive blend of nutrients, glandulars, and targeted herbals designed to support healthy thyroid function.
- This advanced formula supports the complex needs of the entire HPT (hypothalamic-pituitary-thyroid) axis.
- Supports the complete thyroid cycle—from hormone production to conversion to cellular activation.
Login to purchase or request recommendation.
If you do not have a DesBio practitioner, click here.
References
- Mullur, R., Liu, Y. Y., & Brent, G. A. (2014). Thyroid hormone regulation of metabolism. Physiological Reviews, 94(2), 355–382.
- Brent, G. A. (2012). Mechanisms of thyroid hormone action. The Journal of Clinical Investigation, 122(9), 3035–3043.
- Duntas, L. H. (2015). The Role of Iodine and Selenium in Autoimmune Thyroiditis. Hormone and Metabolic Research, 47(10), 721–727.
- American Thyroid Association. (n.d.). General Information/Press Room. Retrieved June 27, 2025.
- Fatourechi, V. (2009). Subclinical Hypothyroidism: An Update for Primary Care Physicians. Mayo Clinic Proceedings, 84(1), 65–71.
- Ventura, M., Melo, M., & Carrilho, F. (2017). Selenium and Thyroid Disease: From Pathophysiology to Treatment. International Journal of Endocrinology, 2017, 1297658.
- Hagen, K., & Barrows, K. (2007). Amino Acids in Nutrition and Health. Advanced Nutrition Publications.
- The claim of "targeted support" from glandular extracts is based on the historical principle of organotherapy ("like supports like"). Direct, modern clinical research is limited. The concept is foundational in specific schools of natural medicine.
- Sharma, A. K., Basu, I., & Singh, S. (2018). Efficacy and Safety of Ashwagandha Root Extract in Subclinical Hypothyroid Patients: A Double-Blind, Randomized Placebo-Controlled Trial. The Journal of Alternative and Complementary Medicine, 24(3), 243–248.
- Vargas-Mendoza, N., Madrigal-Santillán, E., Morales-González, Á., et al. (2014). Hepatoprotective effect of silymarin. World Journal of Hepatology, 6(3), 144–149.