It involves removing a portion of the stomach and rerouting the small intestine to reduce the absorption of calories and nutrients
Because of this, a vitamin B12 deficiency can cause a number of problems like fatigue, anaemia, and tingling in the extremities
[8] Similarly, patients with gout or hyperuricemia should avoid high niacin intake, as niacin (even in nicotinamide form) can raise uric acid levels and potentially trigger gout flares
If you want to support hair health (as well as your overall health), its important to make sure youre eating a diet that includes vitamin B12-rich foods and/or is supplemented with a dietary supplement
It also helps maintain healthy skin and aids in reducing tiredness and fatigue
However, long-term safety data is limited