Hello, these Chinese medicines are all top-grade Chinese medicines and have no side effects. Generally, there is no special reaction. Suggestion: Among these Chinese medicines, Angelica sinensis is the main tonic, Astragalus membranaceus is the tonic, Lycium barbarum is the tonic, and Jujube is the tonic, among which Angelica sinensis and Astragalus membranaceus are best decocted first. Wish you good health.