Background: Herbomineral formulations are momentous in an audience of worldwide by virtue of their holistic approach to life. These formulations are widely used as complementary therapies in immunocompromised patients including cancer. Still, there is the need of cost-effective and safe herbomineral-based formulation that can modulate immune response by the regulation of cytokines cascades. Objective: Current study, we investigated immunomodulatory effect of TEBEH in LPS-induced cytokines expression levels in mouse splenocytes in vitro. Materials and Methods: The most effective and safe concentrations of TEBEH were chosen by determining the cell viability of splenocytes using MTT assay. The pro-inflammatory cytokines such as TNF-α, IL-1β, MIP-1α, and IFN-γ were measured in cell supernatants using ELISA. Results: MTT data showed TEBEH formulation was found safe up to 10.53 µg/mL. At noncytotoxic concentrations (0.00001053–10.53 µg/mL), TEBEH significantly (P ≤ 0.001) inhibited the expressions of TNF-α, IL-1β, and MIP-1α in mouse splenocytes as compared with vehicle control. Conclusion: In summary, TEBEH may indeed promote an anti-inflammatory environment by suppression of pro-inflammatory cytokines. These observations indicated that TEBEH has potential effects in downregulating the immune system and might be developed as a useful anti-inflammatory product for various inflammatory disorders.