Malnutrition among children under five years of age remains a pressing public health issue in Nigeria, with sociocultural factors such as superstitious beliefs and food taboos exerting considerable influence on dietary practices and nutritional outcomes. This study examined the effects of superstitious beliefs and food taboos on the nutritional status of children aged 0–5 years attending the Primary Health Care (PHC) Centre, Mando. A cross-sectional survey design was employed, involving 100 caregivers and their children. Data were collected through the use of structured questionnaires and anthropometric assessments. Findings indicated that 65% of caregivers adhered to food taboos, with eggs (85%), meat (46%), and fish (38%) being the most commonly restricted food items. Among these caregivers, 78% reported intentionally withholding such foods from their children. Anthropometric results revealed that while 60% of the children exhibited normal nutritional status, 40% were malnourished— comprising 15% underweight, 12% stunted, and 10% wasted. Notably, 45% of caregivers did not believe that food taboos influence child nutrition, and 35% were uncertain, underscoring a substantial knowledge deficit. Encouragingly, 85% of respondents expressed readiness to engage in culturally sensitive health education initiatives, with 45% preferring structured health talks and 30% favoring communitybased sensitization through local leaders. The study concludes that harmful cultural beliefs significantly contribute to child malnutrition in the PHC Mando community. It recommends the integration of culturally tailored nutrition education, community sensitization, and continuous counselling into PHC services to dispel misconceptions and promote optimal child feeding practices