Product Details
What Thyreogen is
Thyreogen is a peptide complex extracted from thyroid tissue of young animals. It carries peptide complex A-2, developed using the technology Professor Vladimir Khavinson and his team at the St. Petersburg Institute of Bioregulation and Gerontology spent decades matching to specific organs. Peptide bioregulators are short amino acid chains, small enough to interact with the DNA of their matching tissue to support normal gene expression.
Thyreogen is often paired with Ventfort, the blood vessel bioregulator, as part of the Thyroid Gland Peptide Bundle.
According to PubMed, Khavinson's research lays out this tissue specific peptide model across multiple organs, and traces decades of animal and clinical studies behind the broader theory (PMID 12374906, PMID 19827673). That research program, not a single Thyreogen specific trial, is what the mechanism below is based on.
What you get Natural peptide complex A-2 per capsule The original Khavinson formulation, not a synthetic analog Available as a 10-day course (20 caps) or a full 30-day course (60 caps) May support the normal structure and function of thyroid tissue* Helps maintain normal protein synthesis in thyroid cells* Supports the thyroid's role in normal metabolic function as part of a wellness routine* Free shipping on orders over $50, fulfilled from the United States
*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.
What is a thyroid bioregulator?
A peptide bioregulator is a short chain of amino acids matched to one specific tissue. Short peptides are small enough to pass through the digestive tract intact, which is why these work as capsules rather than injections.
Each organ has its own peptide signature. The thyroid bioregulator carries the A-2 complex, sourced from thyroid tissue. The idea behind Khavinson's work, developed at the St. Petersburg Institute of Bioregulation and Gerontology, is simple: peptide levels in a given tissue decline with age, and supplying that tissue's own peptide signature gives the cells the raw signal they use to maintain normal protein synthesis.
New to this category? Start with our guide on what a peptide bioregulator is and how the numbering system works.
Why the A-2 designation matters
Every Khavinson bioregulator carries an A-number tied to one tissue. A-2 is thyroid. A-3 is blood vessel. A-17 is adrenal. The number is not marketing, it tells you which tissue the peptide complex came from.
If a product claims A-2 but the supplement facts do not list peptide complex A-2, it is not the same thing. Check the panel, not the headline.
hyreogen A-2 Questions
What is Thyreogen? Thyreogen is the thyroid peptide bioregulator in the Khavinson range, developed at the St. Petersburg Institute of Bioregulation and Gerontology, carrying peptide complex A-2. It is a dietary supplement, not a hormone and not a medication.
Is Thyreogen the same as A-2? Yes. A-2 is the designation for the thyroid peptide complex. Thyreogen is the product name for the capsule form of that complex.
Is this natural or synthetic? Natural. Thyreogen is a Cytomax, meaning the peptide complex is extracted from animal tissue. Cytogens are the synthetic counterpart. This one is the original natural form.
What size should I start with? Most first time customers start with the 60 capsule bottle for a full 30 day course. The 20 capsule size works well for shorter maintenance courses afterward.
How long before I notice anything? This is a slow, structural supplement aimed at supporting thyroid cell function over time, not a fast acting one. Most people run the full 30 day course before evaluating whether to continue.
Where does the peptide come from? Thyroid tissue from young animals, processed into a peptide complex and standardized per capsule.
Can I take Thyreogen with other peptide bioregulators? Yes. It is commonly combined with Ventfort. If you are new to peptide bioregulators generally, starting with one or two products before adding more lets you track how you respond.
Is this a treatment for a thyroid condition? No. Thyreogen is a dietary supplement, not a treatment for hyperthyroidism, hypothyroidism, or any other thyroid condition, and it is not a substitute for any prescribed medication. Talk to your doctor about any thyroid diagnosis or treatment plan.
What is in the capsule besides the peptide? Microcrystalline cellulose, beet sugar, lactose, and starch, standard carrier ingredients used to bind and stabilize the peptide complex in capsule form.
Can I take it long term? Most people run it in courses, 10 to 30 days, followed by a break, rather than continuously. That is the standard pattern across this category of peptide bioregulators.
Do you ship this internationally? Shipping details and rates are on our shipping policy page. Orders over $50 within the US ship free.
Who this is for
Adults who want targeted nutritional support for thyroid tissue as part of a general wellness routine. Suitable for men and women.
Most people start peptide courses somewhere between 35 and 45, then repeat two or three times a year. If you are running several bioregulators, space the courses out across the year rather than stacking them all at once.
Common pairings
Thyreogen is most often paired with Ventfort, the blood vessel bioregulator, as the Thyroid Gland Peptide Bundle. Healthy circulation supports how well any tissue-specific peptide reaches the cells it is meant for, which is why the two are commonly used together.
Browse the full thyroid health collection or the complete Khavinson peptide bioregulator range.
20 capsules or 60 capsules? 20 Capsules 60 Capsules Course length 10 days 30 days Peptide complex A-2 Per capsule Same per-capsule dose Price $55.00 $135.00 Cost per capsule $2.75 $2.25 Best for Trying it, or a short maintenance course A full course, and better value per capsule
The 60-capsule box works out to 18% less per capsule and covers a complete 30-day course in one purchase.
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.
Presentation and Pack: Produced in capsules 0.2g each. One pack contains 20 capsules
Ingredients (per 1 capsule): micro crystalline cellulose (E460); beet sugar; sugar; lactose; starch; peptide complex A-2 (thyroid peptides)
Daily dose contains: (2 capsules), 20mg of peptide complex A-2 (thyroid peptides)
Contraindications: an individual tolerance of components, pregnancy, lactation
Storage conditions: keep in dry dark place under temperature from +2°C to +25°C
Shelf Life: 5 years from the date of production
Recommendations for application: adult men 1-2 capsules. 1-2 times a day during meals.
Receiving duration: one month
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