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Apply gentle pressure with a clean cotton ball or gauze if there's any minor bleeding

You might have a vitamin B12 deficiency if you: Have obesity Dont eat enough foods with B12 Have been on medications like metformin or proton-pump inhibitors (PPIs) for a long time Have an autoimmune condition that prevents your body from absorbing B12 (pernicious anemia) Had surgery on your gastrointestinal tract Have a gastrointestinal disorder, like celiac disease or Crohns disease Are older Symptoms of B12 deficiency include: Fatigue Heart palpitations Pale skin Numbness and tingling in the hands and feet You can get a blood test to check your B12 levels and see if youre deficient

It also improves exercise endurance and stamina

The NAD+-driven increase in cellular energetics can amplify stimulant effects, producing jitteriness or insomnia if dosed too late in the day