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Published on: 5/8/2026
Shilajit can subtly alter thyroid hormone levels, so your doctor monitors TSH to catch early changes and adjust thyroid medications or supplement doses to prevent underactive or overactive thyroid symptoms. Because individual responses vary and shilajit may interact with other drugs, regular TSH testing is a key safety measure.
Important next steps include establishing baseline labs, scheduling regular TSH checks, tracking symptoms, and reviewing nutrient intake, with comprehensive guidance provided below.
Shilajit is a sticky, tar-like substance found primarily in the Himalayas. It's been used for centuries in traditional medicine for its potential to boost energy, support cognition, and enhance overall well-being. Lately, many people have begun taking shilajit supplements to support thyroid health. Because the thyroid gland plays a central role in metabolism, mood, and energy levels, your doctor will often monitor your thyroid-stimulating hormone (TSH) levels while you're on shilajit. Here's why, and what you can do next.
Monitoring TSH gives your doctor an early signal of thyroid imbalance, helps avoid symptoms like fatigue, weight changes, palpitations or mood shifts, and guides treatment.
While human research is still emerging, several laboratory and animal studies offer insight into shilajit's potential impact on thyroid function:
Detecting Hidden Imbalances
Preventing Over- or Under-Treatment
Personalizing Your Care
Ensuring Safety with Other Medications
Keep a simple daily log of how you feel. Note any changes in:
Bringing this log to your doctor helps correlate lab changes with real-world effects.
If you notice new or worsening symptoms between appointments, get personalized insights instantly with this free Medically approved LLM Symptom Checker Chat Bot to help determine whether your symptoms require urgent attention or can be managed with simple adjustments.
Shilajit is generally well-tolerated, but watch for signs that warrant prompt medical care:
If any of these occur, speak to a doctor right away—especially if you suspect a life-threatening issue.
By taking these steps, you'll optimize the benefits of shilajit while protecting your thyroid health.
(References)
* Roy S, Gupta V, Jadhav AD, Bodhankar SL. Effect of Shilajit on thyroid functions in induced hypothyroidism: A pilot study. J Ethnopharmacol. 2021 Mar 22;269:113692. doi: 10.1016/j.jep.2020.113692. Epub 2020 Dec 2. PMID: 33276189.
* Carrasco-Gallardo C, Guzmán L, Machuca G, Navarrete F, Maccioni RB. Shilajit: a review of its clinical efficacy. J Ethnopharmacol. 2012 Jul 13;142(1):31-4. doi: 10.1016/j.jep.2012.04.017. Epub 2012 Apr 20. PMID: 22519100.
* Ajmal M, Zaidi KU, Rehman SU, Khan RU, Jilani S, Hameed S, Zaidi HU. Influence of herbal medicines on thyroid function. J Pak Med Assoc. 2017 Jan;67(1):153-157. PMID: 28435133.
* Fasinu PS, Boubakri Z, Amri H. Drug-herb interactions: current status and future perspectives. Integr Med Res. 2016 Sep;5(3):180-192. doi: 10.1016/j.imr.2016.04.001. Epub 2016 Apr 20. PMID: 27570766; PMCID: PMC5004739.
* Keller P, Singh S, Sharma M, Yadav AK. Shilajit: a review of its properties, benefits, and safety. J Ayurveda Integr Med. 2019 Jan-Mar;10(1):15-20. doi: 10.1016/j.jaim.2018.06.004. Epub 2018 Sep 15. PMID: 30224213; PMCID: PMC6418854.
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