Potential risks include: Infection risk if injections are administered in non-clinical settings without appropriate sterile technique Allergic reactions to any component of the formulation Liver toxicity theoretical concern with excessive methionine or choline Drug interactions particularly if combined with other supplements or medications Unknown long-term effects due to absence of longitudinal safety data The MHRA advises caution with unlicensed injectable products, as quality, purity, and sterility cannot be guaranteed
Because of this, NAD is commonly associated with improved energy levels, mental clarity, exercise recovery, and overall wellness
How does the PlexusDx Precision Peptide Genetic Test help with B12 and nutrient management
A report from the Framingham Offspring Study of 2,999 adults found the following average daily B12 intakes, including fortified foods and supplements (Tucker, 2000): Age 26-49: 8.9 g Age 50-64: 8.7 g Age 65-83: 8.5 g A 2015-2016 National Health and Nutrition Examination Survey of over 4,500 adults 60 years and older found the following average daily B12 intakes (USDA NHANES, 2019): Male non-supplement users (68% of men): 4.5 g Male supplement users: 5.3 g from food plus 326 g from supplements Female non-supplement users (63% of women): 3.6 g Female supplement users: 3.8 g from food plus 520 g from supplements European Food Safety Authoritys Recommendations In 2015, the EFSA released recommendations for B12 intake across Europe