Is it OK to take 1500 mcg B12 daily?
The recommended dose for treating vitamin B12 deficiency is 1000 mcg daily. The recommended dose for preventing vitamin B12 deficiency is 1500 mg or 2500 mcg (sublingual tablets) daily. The dose for treating hyperhomocysteinemia is 400 mg daily in combination with folic acid.
Is B12 level of 1500 too high?
Previous studies have chosen a variety of levels to represent high or very high B12 (pmol/l) levels. Some examples include: 664.219; 5131; 700 (high) and 1500 (very high)11; and 601 (high) and 1000 (very high)10. Excess B12 is either stored in the liver, present in the blood without any adverse effects, or excreted.
Is it OK to take B12 long term?
Some researchers have even studied the potential side effects of taking high doses of vitamin B-12 for up to 5 years at a time. However, no studies have yet found any adverse symptoms or patterns of harm.
How long should you be on B12 for?
You may be able to stop taking cyanocobalamin when your vitamin B12 blood levels are back to normal. However, you may need to take it for the rest of your life if your diet does not have enough vitamin B12 or you cannot absorb enough vitamin B12 from your food.
Is it safe to take methylcobalamin 1500 mcg daily?
Dosage. For the best bioavailability and absorption, the recommended dose is 500 mcg three times daily or 1500 mcg daily of methylcobalamin or 5-adenosylcobalamin. Most generic vitamins contain cyanocobalamin, which may not be as effective or as beneficial.
Is it OK to take 1000 mcg of B12 a day for seniors?
Recommended Vitamin B12 Dosage for Seniors
The proper vitamin B12 dosage for seniors depends on if they have underlying health conditions and how severe their deficiency is. In some cases, doctors may recommend high doses — more than 1,000 micrograms (mcg) per day.
What causes B12 to be 1500?
Conditions that can increase B12 level include: Liver disease (such as cirrhosis or hepatitis) Myeloproliferative disorders (for example, polycythemia vera and chronic myelogenous leukemia)
What happens if vitamin B12 is more than 2000?
A vitamin B12 level of 2000 pg/mL (picograms per milliliter) is considered high, as the normal range for B12 levels is typically between 200-900 pg/mL. However, a high B12 level is usually not a cause for concern, as the vitamin is water-soluble and excess amounts are usually excreted in the urine.
Should I be worried if my B12 is high?
Should I Be Concerned About High Vitamin B12 Levels? Experts agree that proper amounts of vitamin B12 are generally safe to take [9]. Even amounts exceeding the recommended daily amount of 2.4 micrograms usually aren't toxic—as mentioned, what your body doesn't absorb is normally passed as urine [9].
Can too much B12 damage kidneys?
One 2010 study found that people with diabetic nephropathy (loss of kidney function due to diabetes) experienced a more rapid decline in kidney function when supplemented with high dose B vitamins, including 1 mg per day of B12 ( 7 ).
Can you take B12 once a month?
Vitamin B12 is prescribed as an injection or nasal spray to treat low levels of vitamin B12 in the body. In most cases, the starting injectable vitamin B12 dosage is 100 mcg or 1,000 mcg daily for 1 week. After that, you'll gradually move to once weekly, then once monthly injections.
When should I stop taking B12 before a test?
To accurately determine deficiency or low levels of vitamin B12 you must stop taking any vitamin B12 supplements a few weeks before your test.
Is 2.4 mcg the same as 1000 mcg?
1000 mcg container: 2.4 mcg / 1000 mcg = 0.0024 containers This means that 2.4 mcg is approximately equivalent to 0.0024 of a 1000 mcg container.
What happens to your body when you take vitamin B12 everyday?
Vitamin B12 supplements (along with other B vitamins) reduce blood levels of homocysteine, a compound linked to an increased risk of having a heart attack or stroke. However, despite reducing homocysteine, research shows that these vitamins don't reduce the risk of developing cardiovascular disease or stroke.
Can I take vitamin B1 B6 B12 everyday?
B complex Vitamins - Recommended Daily Allowance
In general, healthy adult men and women should take about 1.3 micrograms of vitamin B6 and 2.4 micrograms of vitamin B12. As for vitamin B1, 1.1 milligrams are recommended for women and 1.2 milligrams for men.
Can I take 1500 mcg B12 twice a day?
Supplementing with vitamin B12 may be important for vegetarians, vegans, and older adults who may not absorb nutrients as easily. There is no upper limit for vitamin B12, and most supplements provide between 500 mcg to 5,000 mcg of B12 daily to meet various nutritional needs [2].
How long can I take methylcobalamin?
So, you can take one in the morning, at least 30 minutes before eating, or 2 hours after you have eaten. Methylcobalamin injections are injected into a muscle. The administration is usually done 1 to 3 times a week. Follow the instructions given by your doctor.
Can we take methylcobalamin for long time?
Can I take methylcobalamin daily? Methylcobalamin is a naturally occurring form of vitamin B12. It is a kind of vitamin supplement. For best bioavailability and absorption of methylcobalamin, a daily dose is recommended to make it more beneficial or effective.
What is the safest amount of B12 to take daily?
Safety and side effects
When taken at appropriate doses, vitamin B-12 supplements are generally considered safe. While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, higher doses have been found to be safe. Your body absorbs only as much as it needs, and any excess passes through your urine.
How much B12 should a 55 year old take?
Dosages for Older People
Around this age, you should be getting around 2.4 micrograms of B12 a day.
Is it OK to take 1000 mcg of B12 a week?
If you're at risk for vitamin B12 deficiency, the following can provide some protection: Supplements. Even the lowest doses in B12 supplements are many times the recommended dietary allowance. Doses up to 1,000 mcg, though unnecessary, aren't harmful.
Is taking 5 000 mcg of B12 too much?
Is 5000 mcg of B12 too much? A dosage of 5000 mcg of Vitamin B12 has been deemed a safe dosing amount. In fact, it is often recommended for those who have a health condition that affects their B12 absorption. Consultation with a qualified health professional is always recommended.
What should you avoid if you have high B12?
You might get frequent headaches if your vitamin B12 levels are too high. Elevated levels of this vitamin can also cause gastrointestinal problems such as diarrhea, nausea, and vomiting. You may feel tired and weak. High amounts of vitamin B12 can also cause you to feel like your hands and feet are tingling.
How do I know if my B12 is too high?
2.4mg would translate to 2400 MICROgrams (mcg) and is a common and acceptable dosage.
Is 2.4 mcg the same as 2400 mcg?
A person whose vitamin B12 levels are outside of the normal range will require treatment. High B12 levels may indicate liver disease, diabetes, or certain types of leukemia. Low levels of the vitamin may indicate a B12 deficiency or pernicious anemia.
Does high B12 mean liver damage?
A serum B12 above 300 pg/mL is interpreted as normal. Patients with B12 levels between 200 and 300 pg/mL are considered borderline, and further enzymatic testing may be helpful in diagnosis. Patients with B12 levels below 200 pg/mL are considered deficient.
What level of B12 is concerning?
The answer depends on your individual needs and health goals. Both B Complex and B12 options have their unique benefits and drawbacks, so it's important to understand them before making a decision. If you're looking for a boost in energy and metabolism, vitamin B12 alone may be the right choice for you.
Should I take B complex or B12?
Previous studies have chosen a variety of levels to represent high or very high B12 (pmol/l) levels. Some examples include: 664.219; 5131; 700 (high) and 1500 (very high)11; and 601 (high) and 1000 (very high)10. Excess B12 is either stored in the liver, present in the blood without any adverse effects, or excreted.
Is B12 level of 1500 too high?
The common forms of vitamin B include vitamin B1 (thiamine), B2 (riboflavin), B3 (niacin), B6 (pyridoxine) and B12 (cyanocobalamin). Except for niacin (when given in high doses), there is no evidence that the other B vitamins, in physiologic or even super-physiologic high doses cause liver injury or jaundice.
Is B12 hard on the liver?
In fact, 5000 mcg of Vitamin B12 supplementation is a safe dosing amount. Although, you do not need to consume that much. With the RDA at only 2.4 mcg for healthy adults, taking 5000 mcg just creates expensive urine. You can safely dose at lower levels and still reach the RDA.
Can I take B12 5000 mcg daily?
Diet-related
People who find it difficult to get enough vitamin B12 in their diets, such as those following a vegan diet, may need vitamin B12 tablets for life.
How long can you stay on B12 tablets?
You may be able to stop taking cyanocobalamin when your vitamin B12 blood levels are back to normal. However, you may need to take it for the rest of your life if your diet does not have enough vitamin B12 or you cannot absorb enough vitamin B12 from your food.
Can you take B12 tablets for life?
How long does it take to recover from B12 deficiency? Once you begin treating your vitamin B12 deficiency, it can take up to six to 12 months to fully recover. It is also common to not experience any improvement during the first few months of treatment.
How many months should I take B12 tablets?
Others test B12 in combination with other vitamins, and there are at-home micronutrient test kits that include B12 in the panel. These kits may be purchased online and include the materials you need to obtain a sample of blood using a finger prick, which you return to the manufacturer for testing.
How can I check my B12 level at home?
"As you intake more water you can begin to flush water soluble vitamins and minerals," Dr. Kinney told INSIDER. "Water soluble vitamins, such as the B Vitamins (B1, B2, B3, B6 & B12) & vitamin C, are not stored long term and may be excreted with excess water intake if you're not taking in proper supplementation, too.
Does drinking water lower B12 levels?
Patients treated with oral repletion therapy need to have their initial response to treatment monitored with vitamin B12 levels after 2-3 months followed by 6-12 monthly tests to ensure an ongoing response.
How often should you recheck B12?
The recommended dose for treating vitamin B12 deficiency is 1000 mcg daily. The recommended dose for preventing vitamin B12 deficiency is 1500 mg or 2500 mcg (sublingual tablets) daily. The dose for treating hyperhomocysteinemia is 400 mg daily in combination with folic acid.
Is it OK to take 1500 mcg B12 daily?
In a 2013 study in 100 older adults, supplementing with 500 mcg of vitamin B12 for 8 weeks was found to normalize B12 levels in 90% of participants. Higher doses of up to 1,000 mcg, or 1 milligram (mg), may be necessary for some ( 13 ).
Is it OK to take 1000 mcg of B12 a day for seniors?
Water soluble vitamins, like B12, can be tolerated at higher doses without adverse effects upon the body, and the National Academy of Medicine has not established an upper limit of Vitamin B12 intake.
Is 2500 mcg of B12 okay?
If you develop any side effects from taking vitamin B-12, you can stop taking the supplement and the symptoms should subside. After this, you'll need to determine either an appropriate dose or how to get the vitamin B-12 you need from food sources.
When should I stop taking B12?
Vitamin B12 is an essential nutrient. Fish, shellfish, meat, eggs, and dairy products are good sources of vitamin B12. The amount that should be consumed on a daily basis is called the recommended dietary allowance (RDA). The RDA is 2.4 mcg daily for people 18 years and older.
Is it better to take B12 daily or weekly?
Vitamins that are typically recommended for CKD patients:
B1, B2, B6, B12, folic acid, niacin, pantothenic acid, and biotin, as well as some vitamin C, are essential vitamins for people with CKD. Vitamin C may be suggested in low doses as large doses can cause a buildup of oxalate.
Is vitamin B1 B6 B12 good for kidney?
B Vitamins for a Healthy Liver
Eating enough foods with B vitamins can help reverse many symptoms of liver disease in its early stages. In particular, liver disease can cause vitamin B-1, B-6 and B-12 deficiencies.
Is vitamin B1 B6 B12 good for liver?
Dosage. For the best bioavailability and absorption, the recommended dose is 500 mcg three times daily or 1500 mcg daily of methylcobalamin or 5-adenosylcobalamin. Most generic vitamins contain cyanocobalamin, which may not be as effective or as beneficial.
Is it safe to take methylcobalamin 1500 mcg daily?
There is no risk of an overdose when taking large amounts of vitamin B-12 such as 1000 mcg, because it is a water-soluble vitamin. Meaning the body will use the amount that it needs then the excess will be excreted through urine.
Is it OK to take 1000 mcg of B12 a day for how many days?
Common Side Effects
Vomiting, Nausea, Loss of Appetite, Diarrhoea, Headache.
What are the side effects of methylcobalamin 1500 mg?
The drug methylcobalamin is a form of vitamin B12, which is most easily absorbed by the body. This drug is also used mainly to improve the health of the liver, brain and central nervous system.
What is methylcobalamin 1500mg used for?
Can I take methylcobalamin daily? Methylcobalamin is a naturally occurring form of vitamin B12. It is a kind of vitamin supplement. For best bioavailability and absorption of methylcobalamin, a daily dose is recommended to make it more beneficial or effective.
How many days methylcobalamin can be taken?
It is generally safe to take Vitamin B-complex for a long time, but it is always best to consult with a doctor before taking any supplements for an extended period. The recommended dosage varies depending on age, sex, and other health conditions, and taking too much of certain vitamins could have adverse effects.
Is it safe to take vitamin B complex for a long time?
A vitamin B12 level of 2000 pg/mL (picograms per milliliter) is considered high, as the normal range for B12 levels is typically between 200-900 pg/mL. However, a high B12 level is usually not a cause for concern, as the vitamin is water-soluble and excess amounts are usually excreted in the urine.
What happens if vitamin B12 is more than 2000?
Vitamin B12 supplements (along with other B vitamins) reduce blood levels of homocysteine, a compound linked to an increased risk of having a heart attack or stroke. However, despite reducing homocysteine, research shows that these vitamins don't reduce the risk of developing cardiovascular disease or stroke.
What happens to your body when you take vitamin B12 everyday?
Dosages for Older People
Around this age, you should be getting around 2.4 micrograms of B12 a day. Not only does this mean consciously eating foods that contain vitamin B12 but it also means that you should ingest this vitamin as a supplement. By taking supplements, you will ensure that your body absorbs vitamin B12.
How much B12 should a 60 year old take?
While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, higher doses have been found to be safe. Your body absorbs only as much as it needs, and any excess passes through your urine. High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache.
Is it safe to take 50 mcg of vitamin B12 daily?
Vitamin B12 is important for the brain and nerves, and for the production of red blood cells. This medicine is used to treat vitamin B12 deficiency. It is also sometimes used in people with pernicious anemia and other conditions.
What is B12 1500 mcg used for?
Though high doses of vitamin B12 supplements have been linked to rare side effects in certain populations, it's generally safe, and there's currently no recommended maximum amount for this vitamin.
How much B12 mcg should I take per day?
Is 5000 mcg of B12 too much? A dosage of 5000 mcg of Vitamin B12 has been deemed a safe dosing amount. In fact, it is often recommended for those who have a health condition that affects their B12 absorption. Consultation with a qualified health professional is always recommended.