What is borderline B12 level?

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.


Can borderline low B12 cause symptoms?

When your body doesn't have enough healthy red blood cells to carry oxygen to tissues, you'll likely feel weak and tired. It's important to know that you can develop fatigue and other symptoms related to B12 deficiency, even when your B12 levels are considered within range or only borderline low ( 6 ).

What level of B12 is concerning?

Values of less than 160 pg/mL (118 pmol/L) are a possible sign of a vitamin B12 deficiency. People with this deficiency are likely to have or develop symptoms. Older adults with a vitamin B12 level less than 100 pg/mL (74 pmol/L) may also have symptoms.


What are the warning signs of vitamin B12 deficiency?

Symptoms of vitamin B12 deficiency
  • a pale yellow tinge to your skin.
  • a sore and red tongue (glossitis)
  • mouth ulcers.
  • pins and needles (paraesthesia)
  • changes in the way that you walk and move around.
  • disturbed vision.
  • irritability.
  • depression.


What happens if a B12 deficiency goes untreated?

A lack of vitamin B12 can cause neurological problems, which affect your nervous system, such as: vision problems. memory loss. pins and needles (paraesthesia)


Woman Believed She Was Going to Die Due to B12 Deficiency Symptoms | This Morning



What is the fastest way to fix B12 deficiency?

How to raise your B12 levels fast. The most common way to treat B12 deficiencies is by adjusting your diet. If this is unsuccessful, vitamin supplements may be recommended. If you're looking to boost the amount of vitamin B12 in your diet, you should eat more animal products, like meat, seafood, dairy and eggs.

What is a normal B12 level in a woman?

A serum vitamin B12 level between 200 pg/mL and 900 pg/mL is considered normal, but a threshold of 300 to 350 pg/mL is recognized as a marker for a desirable status in the elderly.

What level is considered low B12?

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.


Should I worry about low B12?

If vitamin B12 deficiency is left untreated, it can cause lasting serious side effects that affect the nervous system and brain. More severe side effects of vitamin B12 deficiency include: Peripheral neuropathy. Degeneration of the spinal cord.

Should I worry about B12 deficiency?

Most healthy people who have a well-balanced diet do not need to worry much about vitamin B12 deficiency. However, for those at risk (such as those with celiac disease), measures of blood vitamin B12 levels and, in some cases, preventive therapy with vitamin B12 may be recommended.

Can anxiety cause low B12?

Some studies have found people experiencing anxiety have lower levels of vitamin B12, and that people with anxiety and depression at more likely to have a vitamin B12 deficiency.


What causes B12 levels to drop?

Some people can develop a vitamin B12 deficiency as a result of not getting enough vitamin B12 from their diet. A diet that includes meat, fish and dairy products usually provides enough vitamin B12, but people who do not regularly eat these foods can become deficient.

Can low B12 make you feel weird?

A lack of B12 may lead to depression, confusion, memory problems, and dementia. It also can affect your balance. B12 supplements are usually safe.

What would cause you to be low on vitamin B12?

Low levels of vitamin B-12 can be caused by: Diet. Vitamin B-12 is mainly found in meat, eggs and milk, so people who don't eat these types of foods may need to take B-12 supplements. Some foods have been fortified with B-12, including some breakfast cereals and some nutritional yeast products.


Does low B12 mean leukemia?

Vitamin B12 deficiency can cause profound alterations in the bone marrow. These alterations can mimic the more serious diagnosis of acute leukemia.

How long does it take to get B12 levels back to normal?

Recovery from vitamin B12 deficiency takes time. You may not have any improvement during the first few months of treatment. Improvement may be gradual and may continue for up to six to 12 months.

How can I increase my B12 quickly?

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


Does B12 deficiency affect your weight?

That said, the current evidence is too weak to suggest that a vitamin B12 deficiency has any strong or specific impact on weight — be it weight gain or loss. There's little evidence to support the notion that vitamin B12 deficiency causes weight gain.

Can low B12 affect weight loss?

A Vitamin B12 deficiency can lead to long-term weight control problems. When the body's natural balance is disrupted, it typically responds by slowing down your metabolism, conserving fat stores, and burning fewer calories throughout the day.

Does B12 help with belly fat?

There's no solid proof that vitamin B-12 shots, also called injections, help you lose weight. Vitamin B-12 is a water-soluble B complex vitamin. It's found naturally in many foods, such as meat, fish and dairy products. Vitamin B-12 is added to some foods and is available as a dietary supplement.


Does stress affect B12 levels?

Stress is known to deplete our levels of B vitamins, especially vitamin B12. Vegetarians, vegans and those on restricted diets can struggle to get enough vitamin B12 to meet their body's needs.

Can low B12 increase appetite?

Decreased appetite and weight loss. As a result of digestive problems, such as nausea, people with vitamin B-12 deficiency may lose their appetite. A decreased appetite can lead to weight loss in the long term.

Does B12 help with sleep?

Vitamin B12 works on the pineal gland, which is responsible for the production of melatonin. The vitamin helps increase the production of melatonin during the nighttime hours, as well as release it earlier, making it easier to fall and stay asleep.


What blocks B12 absorption?

[1] People who regularly take medications that suppress stomach acid for conditions like gastroesophageal reflux disease (GERD) or peptic ulcer disease—such as proton-pump inhibitors, H2 blockers, or other antacids—may have difficulty absorbing vitamin B12 from food.