Is 1000 Mcg Of B12 Good?

What is Vitamin b12 1000 mcg used for?

Vitamin B12 is taken by mouth to treat and prevent vitamin B12 deficiency, a condition in which vitamin B12 levels in the blood are too low.

Vitamin B12 is also taken by mouth for memory loss, Alzheimer’s disease, to slow aging, and to boost mood, energy, concentration, mental function, and the immune system..

Is it okay to take 1000 mcg of 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 much B 12 should you take a day?

While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, you can safely take higher doses. Your body absorbs only as much as it needs, and any excess passes through your urine.

What is the best form of b12 to take?

The Best Forms of B12 Methylcobalamin (Methyl group + B12) the most active form of B12 seems to be better absorbed and retained in our tissues in higher amounts than the synthetic cyanocobalamin. Methylcobalamin is used much more efficiently by the liver, brain and nervous system.

Does b12 make you sleepy?

Summary: When you are deficient in B12, your body isn’t able to produce enough red blood cells to effectively transport oxygen throughout your body. This can make you feel tired and weak.

Which fruit is rich in vitamin b12?

Below are 12 healthy foods that are very high in vitamin B12.Animal liver and kidneys. Organ meats are some of the most nutritious foods out there. … Clams. Clams are small, chewy shellfish that are packed with nutrients. … Sardines. … Beef. … Fortified cereal. … Tuna. … Fortified nutritional yeast. … Trout.More items…•

How long does it take to recover from b12 deficiency?

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.

How do you know if your b12 is low?

Symptoms of Vitamin B12 Deficiency Weakness, tiredness, or lightheadedness. Heart palpitations and shortness of breath. Pale skin. A smooth tongue.

Does b12 give you energy?

Vitamin B12 is involved in energy production in your body. Taking a supplement may improve your energy level, but only if you’re deficient in this vitamin.

What is the best time of day to take vitamin b12?

Water-soluble vitamins absorb best on an empty stomach. That means taking them first thing in the morning, 30 minutes prior to eating, or two hours after a meal. Water-soluble vitamins dissolve in water so your body can use them. Vitamin C, all B vitamins, and folate (folic acid) are water soluble.

Is B complex the same as b12?

The difference between Vitamin B12 and B complex is that Vitamin B12 is just one of the eight B vitamins that form the B complex. Together, the set of eight B vitamins that make up the B complex are presented in the optimum balance to provide the recommended daily amount.

Does b12 help hair growth?

One of those vital nutrients is B12, also known as cobalamin. B12 promotes healthy hair growth by assisting in the production of oxygen-rich red blood cells, which feed hair follicles. Your hair is made of a protein called keratin. This substance is dead, which is why it doesn’t hurt when you get your hair cut.

Can you have too much b12?

Since B12 is a water-soluble vitamin, it’s generally considered safe, even at high doses. No Tolerable Upper Intake Level (UL) has been established for B12, due to its low level of toxicity. UL refers to the maximum daily dose of a vitamin unlikely to cause adverse side effects in the general population.

Does b12 help you lose weight?

There’s no solid evidence that vitamin B-12 injections aid weight loss. Vitamin B-12 is a water-soluble B complex vitamin found naturally in a variety of foods, including meat, fish and dairy products.

What should you not take 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 …

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.

Is it OK to take vitamin b12 at 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.

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 is the fastest way to increase b12?

To increase the amount of vitamin B12 in your diet, eat more of foods that contain it, such as:Beef, liver, and chicken.Fish and shellfish such as trout, salmon, tuna fish, and clams.Fortified breakfast cereal.Low-fat milk, yogurt, and cheese.Eggs.