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.
1 When vitamin B12 is taken at normal doses, side-effects are rare. 2  High doses may cause acne. 3  Allergies to vitamin B12 supplements have been reported and can cause swelling, itchy skin and shock.4  Interactions. 5  Drugs for acid reflux, diabetes and other conditions may make it harder for your body to absorb vitamin B12. When vitamin B12 is taken at normal doses, side-effects are rare. 2  High doses may cause acne. 3  Allergies to vitamin B12 supplements have been reported and can cause swelling, itchy skin and shock.