Asking whether shilajit has been scientifically investigated is not the same as asking whether every advertised effect has been proven. Individual human studies exist. However, they investigate different people, different preparations and limited outcomes.
Three investigations compared directly
The table presents selected examples, not a complete overview of every publication. It puts research design into context and is not an intake plan. A preparation used in a study does not thereby become a general recommendation.
| Study | Design | Finding and limitation |
|---|---|---|
| Keller et al., 2019 [1] | 63 active men, eight weeks, comparison with placebo | Less strength loss after fatigue at the higher investigated amount in the initially stronger half; not general performance evidence for everyone |
| Pingali and Nutalapati, 2022 [2] | 60 postmenopausal women with osteopenia, 48 weeks, randomized and placebo-controlled | Less bone mineral density loss with a defined extract; no direct evidence of fewer fractures |
| Yadav et al., 2026 [3] | 25 healthy men, 28 days, open-label resin study without a comparison group | Changes in various performance and blood measurements within the group; no firm causal attribution without a control |
Why a comparison group makes a difference
In an open-label investigation, participants know what they receive. Changes between the beginning and end may also relate to expectations, practice with the test or other influences over time. This does not make the observation worthless, but limits what can be said about its cause.
The 2026 pilot paper itself calls for larger randomized, placebo-controlled studies. [3] Its findings should therefore be read as a starting point for further assessment, not final validation of daily resin for everyone.
Even a controlled trial has limits
A subgroup finding should not be retold as though it occurred uniformly in every participant. Likewise, a result in women with reduced bone mineral density cannot readily be transferred to young healthy men.
The bone study investigated a standardized aqueous extract. [2] A shared shilajit name does not establish equivalence with every paste or multi-ingredient product. Formulation, application and target group belong to the interpretation.
Separate measurements, well-being and disease course
A strength test does not measure every aspect of athletic performance. A laboratory result does not automatically explain everyday fatigue. A change in bone mineral density and actually fewer fractures are also different outcomes. Good summaries keep these differences visible.
As a reading aid, write three details beside a study link: who was investigated, which product was used and what changed relative to which comparison? If an answer remains missing, do not fill it with a general advertising phrase.
What follows for a personal decision?
The data presented justify neither claiming that no research exists nor making a comprehensive healing promise. Personal use also requires assessment of the reason, product quality, existing illnesses and medicines.
A study comparison does not replace prescribed treatment. A small, short trial also cannot reliably exclude unwanted long-term effects. This article does not confirm that a Natur Total product matches the preparations investigated.
Frequently asked questions
Are there human studies of shilajit?
Yes. The table gives three examples with different questions.
Is an open pilot study proof of efficacy?
Without a comparison group, the cause of an observed change remains uncertain.
Did the bone study demonstrate fewer fractures?
The finding described concerns bone mineral density, not direct fracture evidence.
Do the results automatically apply to every package?
No. Product form, composition and use need to be compared.
Further reading
Interpret the strength study more closely and compare shilajit with other supplements.
Sources
- Keller et al., 2019: Shilajit and fatigue-related strength loss
- Pingali and Nutalapati, 2022: Shilajit and bone mineral density
- Yadav et al., 2026: Open 28-day pilot study of shilajit resin
Editorially updated: September 28, 2026. Selection of published studies, not our own clinical trial or individual intake plan.