Ashwagandha and Shilajit, a synergy.
Shilajit and ashwagandha are frequently paired as complementary adaptogens, with shilajit supporting cellular energy and free testosterone while ashwagandha lowers cortisol and stress.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- Ashwagandha and Shilajit
- Pair type
- Synergy
- Evidence (highest tier)
- Emerging
- Source citations
- 2 sources
- Stack Score effect
- +2 to your Stack Score (per scored synergy row).
- Scope
- Supplement × Supplement
- Last verified
- May 30, 2026
Synergy · Emerging evidence
Synergy
What is happening. Shilajit and ashwagandha are frequently paired as complementary adaptogens, with shilajit supporting cellular energy and free testosterone while ashwagandha lowers cortisol and stress.
Mechanism. Shilajit supports ATP production and may lower sex hormone binding globulin to raise free testosterone, while ashwagandha modulates the HPA axis to reduce cortisol; the two act on different but complementary pathways.
Recommendation. Generally well tolerated together at standard doses. Evidence for the specific combination is limited, so judge effects individually and monitor for additive sedation or blood pressure changes.
Sources (2)
- Pingali U et al., Effect of standardized aqueous extract of Withania somnifera, Pharmacognosy Research, 2014
- Pandit S et al., Clinical evaluation of purified shilajit on testosterone levels in healthy volunteers, Andrologia, 2016
Stack Score
How this pair moves the number.
Effect on the composite score
If both Ashwagandha and Shilajit are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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