Background: An uncontrolled increase in population can increase the number of maternal deaths, the use of contraception is an activity to regulate pregnancy spacing and prevent complications in mothers during pregnancy, childbirth and postpartum. Several factors that can influence the decision-making for the choice of contraception are social support which consists of the support of husband, family, friends and health workers. While contraception has side effects, one of which is changes in body weight that can affect the nutritional status of women who accept contraception. Purpose: Determine the effect of social support on the nutritional status of women who accept contraception and the effect of social support on the decision making of contraceptive selection. Methods: the research design is cross sectional with the sampling technique using simple random sampling. The sample size is 225 respondents, data collection using questionnaires and observations using multiple logistic regression analysis. Findings: The results of the analysis of social support with contraception decision making showed that the family support variable had a p value of 0.04 and that of friends' support had a p value of 0.01. While the results of the analysis of social support with the nutritional status of contraceptive acceptors showed that the family support variable had a p value of 0.04. Conclusion: Social support from family support has a significant effect on the nutritional status of women who are contraceptive acceptors. Meanwhile, social support in the form of support from family and friends has a significant effect on decision making when choosing contraception.