The molecular structures of NMN and NR are roughly the same, except NMN has an added phosphate group. This added phosphate group makes NMN a larger molecule than NR. Some scientists believe NMN is too large to cross cellular membranes and must convert to NR before entering cells, where NAD+...
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The molecular structures of NMN and NR are roughly the same, except NMN has an added phosphate group. This added phosphate group makes NMN a larger molecule than NR. Some scientists believe NMN is too large to cross cellular membranes and must convert to NR before entering cells, where NAD+...