10/08/2025
If you are like me and on “thyroid biologics” such as NP and armour….
Please take 2 minutes and sign the petition! Read more below👇🏻
In less than one year, a medication that’s been relied upon for more than a century may vanish from the U.S. market. By August 2026, the FDA’s new requirements could make it nearly impossible for patients to access natural desiccated thyroid (NDT), a treatment that has been used since the late 1800s for hypothyroidism.
👉🏻*What’s Changing?*
On August 6, 2025, the FDA announced that NDT will now be regulated as a “biologic drug.” This means manufacturers must complete a Biologics License Application (BLA) — a lengthy, highly technical, and expensive process — in order to keep selling the medication. The FDA has only given companies less than12 months to comply, and experts say it’s unlikely that any manufacturer can meet the deadline.
👉🏻*Current Availability*
At the moment, brand-name NDT medications such as Armour Thyroid (made by AbbVie) and NP Thyroid (by Acella) are still being produced and prescribed. Even compounded NDT formulations will be affected and some states are already considering restrictions that could limit access even before the federal deadline.
👉🏻*Why NDT Matters*
•Broad spectrum of hormones: Unlike standard synthetic thyroid drugs, NDT contains both T4 and T3, as well as additional thyroid hormones that some patients need.
•Better symptom relief for some patients: Synthetic T4-only medications don’t work well for everyone. People who struggle to convert T4 into T3 often continue to suffer from fatigue, brain fog, weight gain, and other hypothyroid symptoms despite “normal” lab results.
•Customized treatment: For patients sensitive to additives or in need of specialized dosing, compounded NDT may be the only solution.
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👉🏻*The Bottom Line*
The FDA’s reclassification could severely limit — or eliminate — access to NDT in the U.S. If action isn’t taken, patients may face fewer options and higher costs. With less than one year until the deadline, it’s critical to plan ahead and advocate for continued access to this essential treatment.
Ask the FDA to allow the use of Desiccated Thyroid Medication
