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They're not redundant they target completely different biological systems

210.1002/mco2.253 Kumar S, Sharma A, Gupta B (2023) A critical review of drug safety and pharmacovigilance practices

direct exposure due to the consumption of mouldy plant products, or indirect exposure through the consumption of contaminated animal products containing residual amounts of the mycotoxin ingested by the food producing animals [18]

The preclinical data is extraordinarily promising, with rapid onset, high potency, neurogenesis induction, and a favorable safety profile in animal models

Is Clostridium butyricum a safe probiotic strain