Some bands are sold separately. Apple Watch Series 2 has a water resistance rating of 50 meters under ISO standard 22810:2010. This means that it may be used for shallow-water activities like swimming in a pool or ocean. It is also safe to wear it while showering or in a hot tub.
B12. Vitamin B12 is a water-soluble vitamin. This means it's not stored in the body and you must consume it every day. If you take in too much of it, your body will simply dispose of the excess in your urine. Strict vegans who eat no animal products whatsoever might need to take supplements on a regular basis.n adults, too much iron can increase the risk of heart disease and other health problems. To prevent problems, always talk to your doctor before taking iron supplements. Women 19 to 50 years of age need 18 mg of iron per day. Men over 19 need 8 mg per day.
Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak.Two steps are required for the body to absorb vitamin B12 from food.itamin B12 is found in almost all multivitamins. Dietary supplements that contain only vitamin B12, or vitamin B12 with nutrients such as folic acid and other B vitamins, are also available.