If You Are B12 Deficient How Much Should You Take

Your body absorbs only as much as it needs and any excess passes through your urine.

If you are b12 deficient how much should you take. One review recommended that those with vitamin b12 deficiency take 1 mg of vitamin b12 daily for a month followed by a maintenance dose of 125 250 mcg per day. Women who are 14 years old and up generally need about 2 4 micrograms of b12 a day according to the nih. Once b12 reserves reach normal levels injections of vitamin b12 will be needed every one to three months to prevent symptoms from returning. B12 comes in oral tablets intramuscular injections and also sublingual tablets.

While the recommended daily amount of vitamin b 12 for adults is 2 4 micrograms you can safely take higher doses. You can get vitamin b12 deficiency anemia if you don t get enough vitamin b12 in your diet from foods like milk eggs and meat. You re more likely to be low in this vitamin if you re older or. These are estimates based on what is thought sufficient to prevent megaloblastic anaemia.

The standard vitamin b 12 dosage is approximately 1000 mcg. One difficulty in diagnosing b 12 deficiency is that symptoms are often vague and could be caused by many other conditions you may experience fatigue weakness rapid heartbeat pale skin easy bruising and gi upset. For example it s estimated that only 10 mcg of a 500 mcg b12 supplement is. The recommended daily amount of b12 is 2 4mcg in the us and 1 5mcg in the uk.

That means deficiency may take a while to develop and therefore symptoms may take a long time to appear. While no ul has been set for b12 your body s ability to absorb the vitamin depends on how much it actually needs. Now you got your blood work checked and it came back that you are b12 deficient so how much and what form and which route to take b12. High doses of vitamin b 12 such as those used to treat a deficiency might cause.