To Begin Activation, Enter Your SIM Card Number. To activate your new GoPhone service, enter your AT&T SIM card number and select Continue. SIM Card Number. The SIM card number begins with the numbers 89 and consists of 20 total numbers. An example of a SIM card number is '89012345678987654321'.o activate your new GoPhone service, enter your AT&T SIM card number and select Continue. SIM Card Number. The SIM card number begins with the numbers 89 and consists of 20 total numbers. An example of a SIM card number is '89012345678987654321'.
Kefir contains around 12 milligrams of magnesium per 100 grams, or about 3.5 fluid ounces of the drink. It is also a good source of vitamins B-1 and B-12, biotin, calcium, folic acid, vitamin K and phosphorus.
Nutritional Value of Kefir. The health benefits of kefir can be attributed to its wealth of probiotic bacteria, nutrients, vitamins, and minerals, including kefiran, dietary fiber, protein, lactic acid bacteria, polysaccharides, nicotinic acid, vitamin C, folate, vitamin B6, manganese, sodium, potassium, and magnesium.