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Vitamin C, also known as ascorbic acid, is a water-soluble vitamin essential for various bodily functions, serving as an antioxidant and a crucial cofactor in collagen biosynthesis, carnitine and catecholamine metabolism, and dietary iron absorption.
As humans cannot produce vitamin C internally, it must be obtained through dietary sources, particularly from fruits and vegetables such as citrus fruits, berries, tomatoes, potatoes, and leafy greens.
Genetic testing can provide insights into whether you may have a heightened need for vitamin C compared to others. If indicated, incorporating vitamin C supplements and fortified foods into your diet can be beneficial. Individuals with certain variations in the SLC23A1 gene may experience reduced circulating vitamin C levels, necessitating an increase in vitamin C-rich foods or consideration of daily supplementation.
Take the first step by uploading your DNA file from 23andMe, AncestryDNA, FamilyTreeDNA, or MyHeritage to uncover how your genetic makeup influences your dietary and nutritional requirements, among other factors.
Follow the link of the selected polymorphism to read a brief description of how the selected polymorphism affects Vitamin C and see a list of existing studies.
SNP polymorphisms related to the topic Vitamin C:
| rs1279683 | Associated with decreased blood levels of vitamin C and risk of glaucoma. |
| rs2681116 | Polymorphism of a gene for a vitamin C transporter gene from food and decreased blood ascorbic acid levels. |
| rs4257763 | The breakage causes a problem with the vitamin C transporter, the absorption of vitamin C from food, and a decrease in blood levels of ascorbic acid. |
| rs6053005 | |
| rs6133175 | |
| rs6139591 | Polymorphism of a gene for a vitamin C transporter gene from food and decreased blood ascorbic acid levels. |
| rs6596473 | One of two sodium-dependent transporters required for hepatic and renal reabsorption of vitamin C (ascorbic acid) and thus essential for maintaining vitamin C homeostasis in the blood. |
| rs10063949 | |
| rs11950646 | |
| rs33972313 | Causes a decrease in the transport activity of vitamin C. Causes a decrease in vitamin C levels regardless of diet. |