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doi:10.1186/s12931-020-01364-6 18
CD38 CD38 is a multifunctional enzyme involved in NAD + metabolism and intracellular signaling (Xie et al

Other ingredients Rice flour, hypromellose (cellulose capsule), microcrystalline cellulose, stearic acid (vegetable source) and silicon dioxide

We grew up hearing about it for immunity, for fighting colds, and later, for brightening the skin

Starobova et al., 2019)
