What is Shilajit?
Shilajit, scientifically identified as Asphaltum punjabianum, is a blackish-brown exudate found primarily in the Himalayan mountains and other high-altitude regions. Formed over centuries from the decomposition of plant matter and microbial activity, it is a complex, tar-like mineral substance. This natural resin is rich in fulvic acid and various humic substances, along with a spectrum of minerals.
Its unique composition arises from the slow breakdown of plant biomass under specific geological and climatic conditions, resulting in a potent and concentrated natural product.
Other Names of Shilajit
- Mumijo
- Mineral Pitch
- Ozokerite
- Salajeet
- Black Asphaltum
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<h3> Absolute Contraindications of Shilajit </h3> <h4>Pregnancy (risk of licorice-like/pseudohyperaldosteronism and electrolyte/blood-pressure problems)</h4> <ul> <li>🤰</li> <li>Recommendation: Avoid shilajit during pregnancy; stop immediately if already taking it and consult your obstetrician if you experience high blood pressure, weakness, or cramps.</li> <li>Reasoning: A reported case linked long-term mumijo (shilajit) use in pregnancy to pseudohyperaldosteronism (hypertension, low potassium); withdrawal resolved the symptoms. This suggests some preparations can cause licorice-like mineralocorticoid effects that are hazardous in pregnancy. </li> <li>Scientific_Study_Title: Pseudohyperaldosteronism due to mumijo consumption during pregnancy: a licorice-like syndrome.</li> <li>Scientific_Study_Authors: Stavropoulos K, Sotiriadis A, Patoulias D, Imprialos K, Dampali R, Athyros V, et al.</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/29933704/</li> <li>Scientific_Study_Excerpt: <p>The published case describes a 37-year-old woman at 32 weeks' gestation who developed persistent hypertension and hypokalemia after six months of daily mumijo (shilajit) use. Detailed workup excluded primary aldosteronism and Cushing's syndrome; renin and aldosterone were suppressed, consistent with mineralocorticoid excess caused by inhibition of 11β-HSD2 (a licorice-like mechanism). Electrolyte and blood-pressure abnormalities normalized after discontinuing mumijo and giving potassium supplementation. The authors conclude clinicians should include mumijo among agents that can cause pseudohyperaldosteronism and advise against its unsupervised use in pregnancy.</p> </li> </ul> <h4>Breastfeeding (infant exposure to contaminants)</h4> <ul> <li>🍼</li> <li>Recommendation: Avoid shilajit while breastfeeding unless a qualified clinician has verified a specific, lab-tested, pharmaceutical-grade product and judged it safe; otherwise do not use.</li> <li>Reasoning: Shilajit products can contain trace toxic metals and humic substances that may pass into breast milk or accumulate in the mother; because infants are very sensitive to heavy metals, unverified supplements present an avoidable risk.</li> <li>Scientific_Study_Title: Hazardous or Advantageous: Uncovering the Roles of Heavy Metals and Humic Substances in Shilajit (Phyto-mineral) with Emphasis on Heavy Metals Toxicity and Their Detoxification Mechanisms.</li> <li>Scientific_Study_Authors: (Review) - multiple authors; see article metadata.</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/38393486/</li> <li>Scientific_Study_Excerpt: <p>This comprehensive review summarizes chemical analyses of shilajit samples from many regions, documenting that shilajit contains hundreds of trace elements and humic/fulvic substances. Some studies report toxic heavy metals (Pb, As, Cd, Hg) present depending on source and preparation; while humic constituents can chelate or detoxify some metals, variability is high and a number of samples exceeded recommended safety limits. The authors emphasize that unpurified or poorly standardized shilajit could expose vulnerable populations (including infants via breastmilk) to heavy metals and advise caution and rigorous quality control.</p> </li> </ul> <h4>Children / Infants (risk of heavy-metal poisoning and unknown dosing)</h4> <ul> <li>👶</li> <li>Recommendation: Do not give shilajit to children or infants; there are no reliable dosing studies and risk of toxic metal exposure and drug contamination is documented for some Ayurvedic products.</li> <li>Reasoning: Case reports have linked Ayurvedic remedies to high blood lead levels in patients (including children) when products contained metals; because shilajit can contain variable heavy metals, pediatric exposure is unsafe without rigorous, validated testing.</li> <li>Scientific_Study_Title: Three cases of lead toxicity associated with consumption of ayurvedic medicines.</li> <li>Scientific_Study_Authors: Saper RB, Kales SN, Paquin J, Burns MJ, Eisenberg DM, Davis RB, Phillips RS.</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/21731207/</li> <li>Scientific_Study_Excerpt: <p>The authors report three patients with markedly raised blood lead levels after using Ayurvedic products; analysis of the associated medicines confirmed high metallic content. Following cessation of the herbal medicines and chelation or environmental measures, blood lead levels fell. The paper highlights that unlabelled metals in traditional remedies can cause clinically significant heavy-metal poisoning, underscoring the risk to children and infants with immature detoxification systems.</p> </li> </ul> <h4>Severe renal impairment (risk of metal accumulation and reduced excretion)</h4> <ul> <li>🩺</li> <li>Recommendation: Avoid shilajit if you have moderate to severe chronic kidney disease unless a nephrologist approves a thoroughly tested product and monitors heavy metals and kidney function.</li> <li>Reasoning: Kidneys excrete many toxic metals; shilajit from some sources contains heavy metals that can accumulate and worsen renal function when excretion is impaired.</li> <li>Scientific_Study_Title: Rapid Determination and Quantification of Nutritional and Poisonous Metals in Vastly Consumed Ayurvedic Herbal Medicine (Rejuvenator Shilajit) by Humans Using Three Advanced Analytical Techniques.</li> <li>Scientific_Study_Authors: (see article metadata; analytical study)</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/34800280/</li> <li>Scientific_Study_Excerpt: <p>Elemental analysis of commercial shilajit samples by LIBS, ICP and EDX showed the presence of essential minerals (Fe, Ca, K, Mg) and toxic metals (Pb, As, Hg) in variable amounts. Some samples exceeded permissible limits for toxic elements. The authors conclude that while shilajit may have nutritional value, contaminated or unpurified products pose a risk of heavy-metal exposure - a risk that is amplified in persons with impaired renal excretion.</p> </li> </ul> <h3> Relative Contraindications of Shilajit </h3> <h4>Diabetes taking insulin or sulfonylureas (possibility of enhanced hypoglycaemia)</h4> <ul> <li>🔁</li> <li>Recommendation: If you have diabetes and take blood-glucose lowering drugs, consult your diabetes clinician before using shilajit and monitor glucose closely if started.</li> <li>Reasoning: Animal studies show shilajit can lower blood glucose and may potentiate drug-induced hypoglycemia when combined with agents like glibenclamide. This suggests risk of additive glucose lowering.</li> <li>Scientific_Study_Title: Evaluation of hypoglycaemic activity of shilajit in alloxan induced diabetic rats.</li> <li>Scientific_Study_Authors: (IJRPP article - animal study)</li> <li>Scientific_Study_Link: https://ijrpp.com/ijrpp/article/view/264</li> <li>Scientific_Study_Excerpt: <p>In an alloxan-induced diabetic rat model, shilajit showed significant hypoglycaemic activity at certain doses. When co-administered with glibenclamide, the blood-glucose lowering effect was potentiated. The authors suggest shilajit has intrinsic glucose-lowering properties and may interact with standard hypoglycemic drugs, warranting caution and monitoring in humans.</p> </li> </ul> <h4>Hypertension or use of potassium-losing diuretics (risk of electrolyte disturbances)</h4> <ul> <li>⚠️</li> <li>Recommendation: If you have unstable hypertension or use diuretics that affect potassium, avoid unsupervised shilajit; seek physician advice and have electrolytes checked if used.</li> <li>Reasoning: A case of shilajit/mumijo causing pseudohyperaldosteronism produced hypertension and hypokalemia; combining such effects with diuretics or antihypertensives could destabilize blood pressure and electrolytes.</li> <li>Scientific_Study_Title: Pseudohyperaldosteronism due to mumijo consumption during pregnancy: a licorice-like syndrome.</li> <li>Scientific_Study_Authors: Stavropoulos K, Sotiriadis A, Patoulias D, Imprialos K, et al.</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/29933704/</li> <li>Scientific_Study_Excerpt: <p>The reported patient developed marked hypokalemia and hypertension while taking mumijo; biochemistry showed suppressed renin and aldosterone consistent with mineralocorticoid excess from inhibition of 11β-HSD2. Symptoms reversed when the supplement was stopped and electrolytes corrected. The report highlights potential interaction risks with medications or conditions that alter potassium balance or blood pressure.</p> </li> </ul> <h4>Mast-cell activation disorder or history of severe allergy (anaphylaxis risk)</h4> <ul> <li>⚠️</li> <li>Recommendation: Avoid if you have severe allergy history or MCAS; even single cases show shilajit can act as a cofactor in anaphylaxis. If exposure occurs, seek emergency care for any breathing or circulatory symptoms.</li> <li>Reasoning: Case reports document shilajit acting as a cofactor in exercise-induced anaphylaxis and causing severe allergic reactions in susceptible individuals.</li> <li>Scientific_Study_Title: Exercise-induced anaphylaxis with an Ayurvedic drug as cofactor: A case report.</li> <li>Scientific_Study_Authors: Bonadonna P, et al.</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/30863761/</li> <li>Scientific_Study_Excerpt: <p>The case describes a patient who developed urticaria, then severe dyspnea and hypotension with loss of consciousness after consuming rice, tuna and shilajit before exertion. The authors suggested shilajit acted as a cofactor facilitating anaphylaxis in that episode, underlining that shilajit can trigger or amplify allergic responses in predisposed people.</p> </li> </ul>
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<h4>Heavy-metal toxicity (e.g., lead, arsenic) - from contaminated products</h4> <ul> <li>☠️</li> <li>Side effect summary: Some shilajit samples contain toxic heavy metals; regular use of contaminated products can cause accumulation, leading to systemic poisoning (anemia, abdominal pain, neurological effects, renal or hepatic injury).</li> <li>Recommendation: Use only third-party-tested, pharmaceutical-grade shilajit with batch certificates; avoid if testing is unavailable. If you have unexplained abdominal pain, fatigue, anemia or neurologic symptoms and take such supplements, stop and see a clinician for blood lead/metal testing.</li> <li>Reasoning: Analytical studies and case reports show detectable and sometimes excessive levels of toxic metals in shilajit and other Ayurvedic products; clinical lead poisoning cases have been traced to traditional remedies.</li> <li>Severity Level: Severe</li> <li>Scientific_Study_Available: Yes</li> <li>Scientific_Study_Title: Rapid Determination and Quantification of Nutritional and Poisonous Metals in Vastly Consumed Ayurvedic Herbal Medicine (Rejuvenator Shilajit) by Humans Using Three Advanced Analytical Techniques.</li> <li>Scientific_Study_Authors: (analytical study authors; see article)</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/34800280/</li> <li>Scientific_Study_Excerpt: <p>Using LIBS, ICP and EDX, the study quantified essential nutrients and toxic elements in shilajit samples. Several samples contained Pb, As, Hg and other toxic metals at levels exceeding permissible limits in some cases. The variability by geographic source and processing was emphasized; authors call for strict quality controls to prevent toxic exposures from contaminated supplements.</p> </li> </ul> <h4>Allergic reactions / Anaphylaxis</h4> <ul> <li>⚡</li> <li>Side effect summary: Rare but serious allergic reactions including urticaria, hypotension and loss of consciousness have been reported after shilajit ingestion, sometimes acting as a cofactor in exercise-induced anaphylaxis.</li> <li>Recommendation: Stop immediately and seek emergency care for breathing difficulty, swelling or fainting; avoid future use if allergic reaction documented.</li> <li>Reasoning: Clinical case reports document severe allergic events temporally related to shilajit ingestion.</li> <li>Severity Level: Severe</li> <li>Scientific_Study_Available: Yes</li> <li>Scientific_Study_Title: Exercise-induced anaphylaxis with an Ayurvedic drug as cofactor: A case report.</li> <li>Scientific_Study_Authors: Bonadonna P, et al.</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/30863761/</li> <li>Scientific_Study_Excerpt: <p>The paper reports a patient who developed progressive urticaria then severe anaphylaxis after consuming several foods and shilajit prior to exercise. The authors highlight shilajit as a potential cofactor for anaphylaxis in susceptible people and recommend clinicians ask about complementary medicine use when evaluating unexplained allergic reactions.</p> </li> </ul> <h4>Skin redness / increased skin microperfusion</h4> <ul> <li>🌶️</li> <li>Side effect summary: Oral shilajit has been associated with increased skin microperfusion (a reddening effect) in a 14-week human study; this is typically benign but may be noticeable.</li> <li>Recommendation: Expect possible mild skin redness at higher doses; reduce dose or stop if bothersome and consult a clinician for persistent skin changes.</li> <li>Reasoning: Controlled supplementation trials reported increased redness/microperfusion as a measurable skin effect at the higher dose arm.</li> <li>Severity Level: Mild</li> <li>Scientific_Study_Available: Yes</li> <li>Scientific_Study_Title: Skin Transcriptome of Middle-Aged Women Supplemented With Natural Herbo-mineral Shilajit Shows Induction of Microvascular and Extracellular Matrix Mechanisms.</li> <li>Scientific_Study_Authors: (see article metadata; 2019 transcriptome clinical study)</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/30728074/ and full text https://pmc.ncbi.nlm.nih.gov/articles/PMC7027386/</li> <li>Scientific_Study_Excerpt: <p>In a 14-week randomized study in adult women, oral shilajit at 250 mg twice daily increased skin microperfusion and induced gene changes related to endothelial migration and extracellular matrix. The increase in dermal perfusion manifested as greater skin redness detectable by dermatoscopic imaging; supplementation was otherwise well tolerated during the study period.</p> </li> </ul> <h4>Cardiovascular rate changes (animal data)</h4> <ul> <li>❤️</li> <li>Side effect summary: Animal studies show dose-dependent effects on heart rate (slowing at low concentrations, tachycardia at very high concentrations) - human relevance is uncertain but suggests caution with cardiac disease.</li> <li>Recommendation: If you have heart disease or take drugs affecting heart rate, consult a cardiologist before using shilajit; stop and seek care for palpitations or dizziness.</li> <li>Reasoning: Experimental models (daphnia, rats) show shilajit can change heart rate in a concentration-dependent manner; clinical translation is not fully established but warrants prudence.</li> <li>Severity Level: Moderate</li> <li>Scientific_Study_Available: Yes (animal studies)</li> <li>Scientific_Study_Title: Effect of shilajit on the heart of Daphnia: A preliminary study.</li> <li>Scientific_Study_Authors: (see PubMed article)</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/22529672/</li> <li>Scientific_Study_Excerpt: <p>Using Daphnia as a model, investigators observed concentration-dependent changes in heart rate with shilajit exposure: decreased beats per minute at low concentrations and very fast beats at extremely high concentrations. Authors note that while Daphnia is a model organism, results raise possible cardiovascular effects that merit careful monitoring in higher organisms.</p> </li> </ul>
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<h4>Antidiabetic drugs (eg, sulfonylureas like glibenclamide)</h4> <ul> <li>Interaction_Details: Animal data show shilajit can lower blood glucose and, when combined with glibenclamide in diabetic rats, produced an additive glucose-lowering effect; this suggests risk of hypoglycemia if combined with glucose-lowering drugs.</li> <li>Severity: Moderate</li> <li>Recommendation: Consult your diabetes specialist before taking shilajit; if approved, monitor blood glucose closely and be ready to adjust medication.</li> <li>Scientific_Study_Available: Yes</li> <li>Scientific_Study_Link: https://ijrpp.com/ijrpp/article/view/264</li> <li>Scientific_Study_Title: Evaluation of hypoglycaemic activity of shilajit in alloxan induced diabetic rats.</li> <li>Scientfic_Study_Authors: (see article metadata)</li> <li>Scientific_Study_Excerpt: <p>In alloxan-induced diabetic rats, multiple doses of shilajit significantly reduced fasting blood glucose; doses comparable to the standard drug glibenclamide showed similar glucose-lowering. When shilajit was co-administered with glibenclamide, the hypoglycaemic effect was potentiated, indicating a possible additive interaction and risk of causing clinically relevant hypoglycemia when combined with antidiabetic medications.</p> </li> </ul> <h4>Antihypertensives / diuretics (via mineralocorticoid-like effect and possible BP/electrolyte changes)</h4> <ul> <li>Interaction_Details: Case evidence shows shilajit (mumijo) can induce pseudohyperaldosteronism (hypertension, hypokalemia). Combining such an effect with diuretics or agents that alter electrolytes could destabilize blood pressure and potassium balance.</li> <li>Severity: Severe (in specific cases with pseudohyperaldosteronism or when combined with K-wasting drugs)</li> <li>Recommendation: Avoid unsupervised use with potassium-wasting diuretics or in uncontrolled hypertension; consult your physician and check electrolytes if exposure occurs.</li> <li>Scientific_Study_Available: Yes</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/29933704/</li> <li>Scientific_Study_Title: Pseudohyperaldosteronism due to mumijo consumption during pregnancy: a licorice-like syndrome.</li> <li>Scientfic_Study_Authors: Stavropoulos K, Sotiriadis A, Patoulias D, Imprialos K, et al.</li> <li>Scientific_Study_Excerpt: <p>The reported pregnant patient exhibited suppressed renin and aldosterone with hypertension and hypokalemia while taking mumijo; the biochemical profile indicated mineralocorticoid-like activity that resolved after stopping the supplement. This highlights a possible clinically important interaction with agents that alter blood pressure or electrolytes, especially diuretics.</p> </li> </ul> <h4>Chemotherapy agents (potential modulation of efficacy and toxicity)</h4> <ul> <li>Interaction_Details: In animal cancer models shilajit has been reported both to potentiate chemotherapy effects on tumor control and to mitigate some organ toxicities - indicating it can modulate chemotherapy pharmacodynamics and organ responses.</li> <li>Severity: Moderate</li> <li>Recommendation: Do NOT self-administer shilajit during chemotherapy without oncologist approval; potential for altered efficacy or unexpected protective/interactive effects means close coordination with oncology is required.</li> <li>Scientific_Study_Available: Yes</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/35957703/</li> <li>Scientific_Study_Title: Shilajit potentiates the effect of chemotherapeutic drugs and mitigates metastasis induced liver and kidney damages in osteosarcoma rats.</li> <li>Scientfic_Study_Authors: (see PubMed article metadata)</li> <li>Scientific_Study_Excerpt: <p>In an osteosarcoma rat model, shilajit co-treatment with a CMF chemotherapy cocktail improved tumor responses and reduced markers of liver and kidney damage compared with chemotherapy alone. While these findings suggest protective and potentiating effects in animals, they do not reliably predict human outcomes and underscore the need to avoid unmonitored use with chemotherapy due to unpredictable interactions.</p> </li> </ul> <h4>Drugs affecting heart rate or cholinergic tone (theoretical - animal evidence)</h4> <ul> <li>Interaction_Details: Animal studies show parasympathomimetic effects of shilajit (lowering blood pressure and heart rate at certain doses). Combining with other drugs that slow heart rate or increase cholinergic tone could have additive effects.</li> <li>Severity: Mild-Moderate</li> <li>Recommendation: If you take beta-blockers, certain calcium channel blockers, or cholinergic agents, consult a cardiologist before starting shilajit and monitor heart rate and blood pressure.</li> <li>Scientific_Study_Available: Yes (animal study)</li> <li>Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/23060465/</li> <li>Scientific_Study_Title: Parasympathomimetic effect of shilajit accounts for relaxation of rat corpus cavernosum.</li> <li>Scientfic_Study_Authors: (see PubMed article)</li> <li>Scientific_Study_Excerpt: <p>In rats, shilajit demonstrated parasympathomimetic effects including reductions in mean arterial blood pressure and heart rate and relaxation of corpus cavernosum tissue; many of these effects were atropine-sensitive, supporting a cholinergic-mediated mechanism. The findings suggest theoretical interactions with drugs affecting heart rate or cholinergic neurotransmission.</p> </li> </ul>
