Written by Ayesha Rahman — Lab Assistant, Golden Shilajit Official Research Team. Reviewed by the Golden Shilajit Research Team.
If you live in California and you've been researching Shilajit, you may have noticed some products carrying a Proposition 65 warning label. This can be alarming — but it doesn't necessarily mean the product is dangerous. In this guide, we explain exactly what Prop 65 is, why it applies to some Shilajit products, and how to identify brands that have done the work to keep their products within safe limits.
What Is California Proposition 65?
California Proposition 65, officially known as the Safe Drinking Water and Toxic Enforcement Act of 1986, requires businesses to provide a clear warning before knowingly exposing anyone to chemicals that the State of California has listed as known to cause cancer, birth defects, or other reproductive harm.
The Prop 65 list currently contains over 900 chemicals. Relevant to Shilajit, the list includes:
- Lead
- Arsenic
- Cadmium
- Mercury
These are the same heavy metals that naturally occur in mineral-rich substances like Shilajit — which is why this law is particularly relevant to the Shilajit supplement category.
Why Do Some Shilajit Products Carry a Prop 65 Warning?
Shilajit is a naturally sourced resin from high-altitude mountain rock formations. Because it forms from compressed organic matter and minerals over centuries, it can absorb heavy metals from its surrounding geology. Poorly purified or untested Shilajit may contain lead, arsenic, cadmium, or mercury at levels that exceed California's Prop 65 thresholds.
When a product's heavy metal content exceeds these thresholds, California law requires the seller to either:
- Attach a Prop 65 warning label to the product, or
- Reduce the heavy metal content below the threshold so no warning is required
Many low-quality Shilajit brands choose the warning label route because it is easier than investing in proper purification and third-party testing. A Prop 65 warning on a Shilajit product is a red flag, not a routine disclosure.
What Are California's Prop 65 Thresholds for Heavy Metals?
- Lead: 0.5 micrograms (μg) per day (reproductive toxicant MADL)
- Arsenic (inorganic): 10 μg per day (NSRL for carcinogen)
- Cadmium: 4.1 μg per day (MADL)
- Mercury: 0.3 μg per day (MADL)
These thresholds apply to the amount consumed per day — not the concentration in the product. For Shilajit, where the daily dose is just 300–500mg, a well-purified product tested by an accredited laboratory should comfortably fall below these thresholds.
Does Golden Shilajit Official Require a Prop 65 Warning?
No. Our Shilajit resin and drops are independently tested by Eurofins Scientific specifically for heavy metal content including lead, arsenic, cadmium, and mercury. Our test results confirm that heavy metal levels fall below California Prop 65 thresholds at the recommended daily dose of 300–500mg.
We also hold BSCG (Banned Substances Control Group) certification, providing an additional layer of independent verification.
Check Our Lab ReportHow to Check If a Shilajit Product Is Prop 65 Safe
- Does the product carry a Prop 65 warning? If yes, heavy metals exceed California thresholds at the daily dose.
- Is there a third-party COA available? Look for testing by an accredited lab (Eurofins, NSF, Intertek, SGS).
- Does the COA show results per daily serving? A responsible brand calculates heavy metal exposure per recommended daily dose.
- Is the lab accredited? ISO 17025 accreditation is the international standard. Eurofins Scientific holds this accreditation.
Related reading: How to Read a Shilajit Certificate of Analysis
The Problem With Amazon Shilajit and Prop 65
A significant number of Shilajit products sold on Amazon either carry Prop 65 warnings or fail to disclose heavy metal testing results at all. Amazon's marketplace model means the platform itself does not verify the safety or testing status of third-party supplement listings.
Related reading: Cheap Shilajit & Heavy Metal Testing: What You're Not Being Told
What Purification Has to Do With Prop 65 Compliance
The key to producing Shilajit free from Prop 65-triggering heavy metal levels is proper purification. At Golden Shilajit Official, our resin undergoes traditional multi-stage water-based purification with no solvents or chemical additives. Current batch: #SLJT01LQ
Heavy Metals in Shilajit: What Buyers Must KnowFrequently Asked Questions
Does Shilajit need a Prop 65 warning in California?
Only if the product's heavy metal content at the recommended daily dose exceeds California's Prop 65 thresholds. A properly purified and independently tested Shilajit product does not require a Prop 65 warning.
Is it safe to buy Shilajit in California?
Yes — provided you choose a brand that publishes third-party lab results confirming heavy metal levels are below Prop 65 thresholds.
What heavy metals are tested in Shilajit?
The four most important are lead, arsenic, cadmium, and mercury, typically expressed in micrograms per gram (μg/g) or parts per million (ppm).
Does Golden Shilajit Official ship to California?
Yes. We ship to all 50 US states including California. Our products are Prop 65 compliant and do not carry a Prop 65 warning.
What does BSCG certification mean for Prop 65?
BSCG certification confirms a product is free from WADA-banned substances and provides an additional layer of independent verification complementing our Eurofins heavy metal COA.
Final Thoughts
California's Proposition 65 separates brands that invest in proper purification and testing from those that do not. At Golden Shilajit Official, we have done the work so you don't have to worry.
Check Our Lab Report Shop Now — Batch #SLJT01LQ