Is it safe to take NMN and NAD⁺ together? Chris B October 01, 2021 18:22 Updated Yes, NMN and NAD⁺ have no known side effects or contraindications when taken together or separately. Related articles Which is better, NMN or NAD+? What’s the difference between NAD⁺ and NMN? Does NMN increase the incidence of cancer? What is the recommended dosage? Does the sublingual products have any effect on tooth enamel? Comments 0 comments Article is closed for comments.