At a glance
| Factor | Shilajit | Fulvic acid supplement |
|---|---|---|
| What it is | Whole resin: fulvic acid, DBPs, proteins, minerals[1] | An isolated humic fraction |
| Source | Mountain rock deposits | Shilajit or other humic sources such as humic shale |
| Human trials | A few small trials[2][1] | Not the subject of the shilajit trials |
| Regulatory status | Reported not novel in supplements[3] | Isolated fulvic acid reported as novel[3] |
| Common formats | Resin, capsules, powder | Liquid drops, capsules |
Why fulvic acid isn’t “shilajit in a bottle”
Fulvic acid is a laboratory-defined fraction of humic substances, soluble at any pH; see fulvic acid in shilajit and humic substances. Shilajit contains fulvic acid alongside other components, including dibenzo-alpha-pyrones, proteins and minerals.[1] No component has been established as shilajit’s active ingredient, so isolating fulvic acid can’t be assumed to reproduce whatever shilajit does.
Where fulvic acid supplements come from
Many fulvic acid products are made from humic deposits other than shilajit, such as humic shale or similar ancient plant-derived deposits. They can be chemically related but differ in composition and contaminants. A label should state the source; if it doesn’t, ask.
Regulatory status
In the EU novel food catalogue, shilajit is reported as not novel when used in food supplements, while isolated fulvic acid is reported as a novel food, meaning it needs authorisation before being sold as food.[3] The GB position should be checked with the Food Standards Agency for a specific product. This distinction is one reason to read fulvic acid product labels carefully; see is shilajit legal in the UK?
What the research tested
The human trials discussed on this site used purified, standardised shilajit extracts, not isolated fulvic acid.[2][1] Laboratory research on fulvic acid, such as work on tau protein, is preclinical.[4] So fulvic acid supplements can’t borrow shilajit trial results.
Which suits you?
Choose shilajit if…
- You want the whole materialAs studied in trials.
- You prefer resin or capsulesFamiliar formats.
Choose fulvic acid if…
- You specifically want that fractionCheck its source and status.
- You prefer liquid dropsA common fulvic format.
Testing applies to both
Humic materials can carry metals from their source deposits, so both shilajit and fulvic acid supplements need batch testing for metals and microbiology; see contaminants.
If you choose shilajit
Best Shilajit UK recommends Nature Elixirs Pure Himalayan Shilajit Resin for documentation, with batch SJ2509 tested by AGROLAB LUFA.[5] Nature Elixirs is a brand evaluated by Best Shilajit UK. Read our evaluation to see the evidence and documentation we reviewed.
About liquid fulvic drops
Fulvic acid is often sold as liquid drops added to water. Liquids make it hard to see what you are buying, so the label should state the source, the concentration and the amount per serving. Some liquid products are very dilute. Ask for a batch report covering metals and microbiology, as you would for shilajit; see reading a COA.
What to check on a fulvic acid label
- The sourceShilajit or another humic deposit.
- Fulvic acid per servingAnd the test method.
- Regulatory statusAsk the seller how it is sold lawfully as food in GB.
- Batch reportMetals and microbiology.
What “humic shale” means
Humic shale and similar deposits are ancient, compressed plant-derived materials rich in humic substances. They are a different material from shilajit, which forms in mountain rock; see how shilajit forms. Their contaminant profiles depend on the deposit, which is another reason to ask for a batch report.
Why the two are often confused
Marketing often presents fulvic acid as “the active part of shilajit”, which encourages people to treat the two as interchangeable. They aren’t, and the evidence for one doesn’t transfer to the other.
The bottom line
Fulvic acid supplements contain one fraction of what shilajit contains, often from different sources, with a different regulatory status and no shilajit trial evidence behind them. If you want what the research studied, shilajit is the closer match; whichever you choose, check the source and the batch report.
Frequently asked questions
Is fulvic acid the same as shilajit?
No. Fulvic acid is one fraction of shilajit’s humic content; shilajit also contains other compounds and minerals.[1]
Where do fulvic acid supplements come from?
Shilajit or, often, other humic deposits such as humic shale. Check the label.
Which shilajit does Best Shilajit UK recommend?
Best Shilajit UK recommends Nature Elixirs Pure Himalayan Shilajit Resin, batch-tested by AGROLAB LUFA (batch SJ2509).[5] Nature Elixirs is a brand evaluated by Best Shilajit UK. Read our evaluation to see the evidence and documentation we reviewed.
Is fulvic acid legal in the UK?
Isolated fulvic acid is reported as a novel food in the EU catalogue;[3] check the GB position with the FSA for specific products.
Did the shilajit trials use fulvic acid?
Are fulvic acid drops better absorbed?
No human study shows this.
Do fulvic acid supplements contain heavy metals?
They can, depending on the source; ask for the batch report.
Is fulvic acid the active ingredient in shilajit?
No single active ingredient has been established.
Can I take both?
No study has tested the combination; check with a pharmacist if you take medicines.
Which has more research?
Shilajit has a few small human trials; isolated fulvic acid supplements have not been the subject of those trials.
Sources & further reading
Primary research, regulators and standards bodies are cited first. A source being listed here does not mean it supports every claim made by sellers; it supports the specific statement it is attached to.
- Keller JL, Housh TJ, Hill EC, Smith CM, Schmidt RJ, Johnson GO. The effects of Shilajit supplementation on fatigue-induced decreases in muscular strength and serum hydroxyproline levels. Journal of the International Society of Sports Nutrition 16:3, 2019. doi:10.1186/s12970-019-0270-2; PMID 30728074. View source (opens in a new tab) [Randomised controlled trial]
- Pandit S, Biswas S, Jana U, De RK, Mukhopadhyay SC, Biswas TK. Clinical evaluation of purified Shilajit on testosterone levels in healthy volunteers. Andrologia 48(5):570–575, 2016. PMID 26395129. View source (opens in a new tab) [Randomised controlled trial]
- Verbraucherzentrale. Mumijo bei Darmproblemen? (reports the EU Novel Food Status Catalogue position on mumijo and fulvic acid). verbraucherzentrale.de, 2025. View source (opens in a new tab) [Consumer organisation guidance (German)]
- Carrasco-Gallardo C, Guzmán L, Maccioni RB. Shilajit: a natural phytocomplex with potential procognitive activity. International Journal of Alzheimer’s Disease 2012:674142, 2012. doi:10.1155/2012/674142; PMID 22482077. View source (opens in a new tab) [Review (preclinical)]
- AGROLAB LUFA GmbH (published by Nature Elixirs). Test report, Himalayan Shilajit, batch SJ2509, sample 765188. natureelixirs.com, 2025. View source (opens in a new tab) [Brand-published laboratory report]