Preventive healthcare deals with the prevention of illness to decrease the burden of disease and associated risk factors. 4S strives to educate the community, especially women, on health, hygiene and nutrition through awareness and BCC program. Increasing the sanitation coverage by strengthening the sanitation supply chain and increasing the demand among the community is another intervene tion to adopt better hygienic practices. 4S is also working for strengthening Village Water and Sanitation Committees (VWSCs), and sensitizing government functionaries and elected representatives towards Jal Jeevan Mission (JJM).

In order to address the problems of malnutrition among rural poor, 4S focuses on nutrition sensitive agriculture, which is a food-based approach that puts nutritionally rich food, diet diversity and food fortification at the heart of overcoming malnutrition and micronutrient deficiency. 4S works to make the nutritious food more available and accessible to the rural community through building the capacity on diversified farming incorporating nutrition-rich crops like Millets, Moringa, kitchen garden, Backyard poultry, duckry and fisheries. Trainings are also provided on improving their awareness on age and gender-specific nutrition need.