SLC23A1 (Solute Carrier Family 23 Member 1): SLC23A1 is important in the transport of ascorbic acid (vitamin C) into cells. It plays a key role in maintaining optimal levels of vitamin C, which is crucial for immune function, collagen synthesis, and antioxidant protection. Genetic variations in SLC23A1 can influence an individual's vitamin C requirements and susceptibility to conditions related to vitamin C deficiency....