Is it OK to take 1000 mcg of B12 a day?

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.

How much B12 does a woman need?

How much vitamin B12 do I need?
Life Stage Recommended Amount
Teens 14–18 years 2.4 mcg
Adults 2.4 mcg
Pregnant teens and women 2.6 mcg
Breastfeeding teens and women 2.8 mcg
•
Jul 7, 2021

Is 500 mg of B12 a day too much?

A microgram is a thousandth of a milligram, so 500 mg of vitamin B12 is 500,000 micrograms. The recommended daily intake is between 2 and 2.8 micrograms. … The max you should have per day is 1,000 micrograms, according to the Harvard School of Public Health, so 500 mcg per day is completely safe.

When should I take B12 morning or night?

As a general rule of thumb, take your B vitamins in the morning or with a meal. Vitamin B12, for example, should definitely be taken in the morning. This is because it is important for energy metabolism, which may interrupt your sleep if taken at night.

Is 5000 mcg too much B12?

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.

Is 5000 mcg B12 too high?

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.

Can you take B12 and vitamin D together?

No interactions were found between Vitamin B12 and Vitamin D3. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

What medications should not be taken with B12?

Certain medications can decrease the absorption of vitamin B12, including: colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), medications to treat heartburn (such as H2 blockers …

Which form of vitamin B12 is best?

Methylcobalamin
Methylcobalamin. Methylcobalamin is the most bio-available type of Vitamin B12 which means the body absorbs it more easily. Naturally occurring, it is found in animal-based foods such as meat, fish, milk and eggs so is readily available in many people’s daily diet.

How much Vitamin B12 should an elderly person take?

Recommended Vitamin B12 Dosage for Seniors

A recent study found that for seniors, a daily dose of 500 micrograms was efficient in reversing the signs of B12 deficiency. In general, experts recommend 2.5 micrograms of vitamin B12 per day for people over the age of 14.

Can I take B12 everyday?

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.

What vitamins Cannot be taken together?

Vitamin combinations to avoid
  • Vitamin C with vitamin B-12.
  • Vitamin A supplement with vitamin A-rich foods.
  • Folic acid (vitamin B9) and vitamin B12.
  • Vitamin E and vitamin K.

Is B12 level of 1500 too high?

There is no consensus on the definition of high or elevated 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.

How much vitamin B should a woman over 50 take?

Under current U.S. dietary guidelines, women over age 50 should get 1.5 milligrams (mg) a day of B6, and girls and women aged 14 and up should get 2.4 daily micrograms (mcg, which is 1 one-thousandth of a milligram) of B12.

Why can’t you take vitamin C and B12 together?

Large doses of vitamin C may interfere with the absorption and metabolism of vitamin B12. Large doses of vitamin C may interact with herbs and supplements that have hormonal, antibacterial, and blood-thinning (anticoagulant) activity.

What are the top 5 vitamins you should take?

Top 10 Essential Vitamins and Minerals Your Body Needs
  • Vitamin A. Vitamin A keeps your heart, lungs, liver and other organs working properly. …
  • Vitamin D. Vitamin D builds strong bones by helping our body absorb calcium from food and supplements. …
  • Vitamin E. …
  • Vitamin K. …
  • Iron. …
  • Magnesium. …
  • Zinc.

Is it better to take vitamin D every day or once a week?

Daily vitamin D was more effective than weekly, and monthly administration was the least effective.

Can zinc and B12 be taken together?

Interactions between your drugs

No interactions were found between Vitamin B12 and Zinc. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.