Fitbit Data Showed Activity Declines To investigate how activity levels changed after starting treatment, researchers analyzed data from the National Institutes of Health's All of Us Research Program, which combines electronic health records with Fitbit activity data
It can be obtained from food, though you can also supplement it in your diet with dietary supplements
Several possible explanations include: Cobalt sensitivity : B12 contains cobalt, which may cause allergic or histamine reactions in sensitive individuals
Effects of human growth hormone on body composition in elderly men
Sometimes excess supplemented cysteine, high amounts of sulphur-containing foods (such as eggs, garlic, onions and brassicas), or dietary sulfites might cause or worsen the reaction
10.1111/j.1432-1033.1993.tb17986.x 121 MetzlerW