Recent study on designing medications from natural ingredients demonstrates a certain resilience to treatment time. The need for pharmaceuticals is urgent, and the use of effective antibiotics as medicine is determined by the desire for recycling as well as environmental friendliness, which is safer for agriculture or other species. Apart from medicine, natural goods developed for nutrition and antiaging, as well as cosmetics to meet societal demands, require study in nature’s treasure chest known as green gold. Secondary metabolite products/agents of redox materials generated from plants, fungal microorganisms, and bacteria are the primary sources of fascinating discoveries. While these agents provide commanding instructions to humans, other organisms, and animals via molecular cellular signals, they also protect them with antioxidants, repellents, fungicides, and anticancer agents, as well as promote the use of effective sensors and antibiotics by destroying/killing foreign particles. Interestingly, research on natural products over the decades has demonstrated that some of the more than ten decades of substances identified, such as allicin and other flavonoids, have been investigated in depth in live creatures, both in vivo and in vitro, as well as in numerous clinical trials. Furthermore, classic approaches such as chemo-genetic screening of mRNA profiling, bioanalytical techniques of proteomics, Western blot, PCR, and RT-PCR are employed as potent diagnostic tools for diagnosing intracellular physiological conditions. As a result, in the case of active redox chemicals and notably reactive sulfur species (RSS), the methodologies have weakened the hypothesis of cellular thiolstat, and further study is needed to understand why and how ROS substances function on a regular or frequent basis.