- 1 What B12 to take with Mthfr?
- 2 Should I take 500 mcg or 1000 mcg B12?
- 3 How many ug of vitamin B12 should I take?
- 4 How much vitamin B12 should a person over 65 take?
- 5 What foods to avoid if you have Mthfr?
- 6 Is Mthfr really a problem?
- 7 Is it OK to take 1000 mcg B12 daily?
- 8 When should I take B12 morning or night?
- 9 When is the best time to take vitamin B12?
- 10 How long does it take for B12 supplements to work?
- 11 Can I take B12 twice a day?
- 12 Is it safe to take B complex everyday?
- 13 How long does B12 deficiency take to correct?
- 14 What are the neurological symptoms of B12 deficiency?
- 15 What medications should not be taken with B12?
What B12 to take with Mthfr?
While most people who have MTHFR benefit from taking methylcobalamin (methylated B12), if you have any other genetic mutations, it can increase anxiety to take methylcobalamin due to overmethylation, and you may need a different type of B12 (such as acetal B12).
Should I take 500 mcg or 1000 mcg B12?
In one 8-week study in 100 older adults, supplementing with 500 mcg of vitamin B12 were found to normalize B12 levels in 90% of participants. Higher doses of up to 1,000 mcg (1 mg) may be necessary for some ( 10 ).
How many ug of vitamin B12 should I take?
How much vitamin B12 do I need? Adults (aged 19 to 64) need about 1.5 micrograms a day of vitamin B12. If you eat meat, fish or dairy foods, you should be able to get enough vitamin B12 from your diet.
How much vitamin B12 should a person over 65 take?
What’s the recommended dosage of vitamin B12 for seniors? The recommended daily allowance of vitamin B12 for adults is 2.4 micrograms. Experts have estimated that a Western diet contains 5-7 micrograms of vitamin B12, and a multivitamin often contains 12-25 micrograms.
What foods to avoid if you have Mthfr?
People with MTHFR mutations may want to avoid foods that contain the synthetic form of folate, folic acid — though the evidence is not clear that’s necessary or beneficial. Be sure to check labels, as this vitamin is added to many enriched grains, like pasta, cereals, breads, and commercially produced flours.
Is Mthfr really a problem?
In the vast majority of people, the presence of an MTHFR variant, even if it leads to moderately high homocysteine levels, really doesn’t cause problems, experts say. Slightly high homocysteine levels (15-30 micromoles per liter) are quite common.
Is it OK to take 1000 mcg B12 daily?
Supplementation of 25-100 mcg per day has been used to maintain vitamin B12 levels in older people. For vitamin B12 deficiency: Vitamin B12 doses of 300-10,000 mcg daily have been used. However, some evidence suggests that the most effective oral dose is between 647-1032 mcg daily.
When should I take B12 morning or night?
You may need to take vitamin B-12 separately from the above drugs and supplements — say, one in the morning and one at night — so you can get the full dose of vitamin B-12. Don’t take vitamin B-12 supplements if you have sensitivities or allergies to vitamin B-12, cobalt, and any other ingredients.
When is the best time to take vitamin B12?
Because of its energy-boosting abilities, the best time of day to take a B vitamin is after waking up. Also, recent research indicates that vitamin B-6 may potentially interfere with sleep and induce vivid dreams. To avoid this adverse effect, people may wish to take them earlier in the day.
How long does it take for B12 supplements to work?
A response usually is seen within 48 to 72 hours, with brisk production of new red blood cells. Once B12 reserves reach normal levels, injections of vitamin B12 will be needed every one to three months to prevent symptoms from returning.
Can I take B12 twice a day?
Early research suggests that taking twice the recommended daily allowance of vitamin B12, with or without folic acid, does not reduce the risk of diarrhea in children.
Is it safe to take B complex everyday?
Since B vitamins are water-soluble, it’s unlikely that you will consume too much of these nutrients through diet alone or by taking a B–complex supplement as directed. However, taking supplements that contain excessively high and unnecessary quantities of B–complex vitamins could lead to serious side effects.
How long does B12 deficiency take to correct?
Recovery from vitamin B12 deficiency takes time and you may not experience any improvement during the first few months of treatment. Improvement may be gradual and may continue for up to six to 12 months.
What are the neurological symptoms of B12 deficiency?
A lack of vitamin B12 can cause neurological problems, which affect your nervous system, such as:
- vision problems.
- memory loss.
- pins and needles (paraesthesia)
- loss of physical co-ordination (ataxia), which can affect your whole body and cause difficulty speaking or walking.
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