- 1 Can you take B12 pills instead of shots?
- 2 Is oral B12 as effective as injections?
- 3 How long does a vitamin B12 shot last?
- 4 How much B12 do I need daily?
- 5 How long does it take for B12 pills to work?
- 6 Which form of vitamin B12 is best?
- 7 Do B12 pills help you lose weight?
- 8 Can you take too much B12?
- 9 How do you know if your B12 is low?
- 10 How often should you get B12 injections?
- 11 Can low B12 cause hair loss?
- 12 Is it safe to inject B12?
- 13 Can I take B12 everyday?
- 14 When is the best time to take vitamin B12?
- 15 What medications should not be taken with B12?
Can you take B12 pills instead of shots?
For many people with low B12 levels, a daily supplement in the form of a pill is as effective as taking a monthly muscle injection. The choice of shot or pill depends on the reason for the deficiency. Vitamin B12, found in any food from animals, needs to be released from proteins during digestion.
Is oral B12 as effective as injections?
In both studies, high-dose oral B12 was as effective as intramuscular injection at achieving neurologic and hematologic response. Vitamin B12 is available over the counter in the form of tablets (100, 500, 1,000, or 5,000 mcg) and lozenges (50, 100, 250, or 500 mcg).
How long does a vitamin B12 shot last?
How long will the effects of a B12 shot last? The effects of our shots vary between individuals. Most people feel the effects for about one week.
How much B12 do I need daily?
The recommended dietary allowance (RDA) for adults is 2.4 micrograms (mcg) a day. (Women who are pregnant or breastfeeding need more.) Some nutrition experts question if this amount is enough, especially among the elderly. The U.S. Food and Drug Administration sets the Daily Value (DV) for vitamin B-12 at 6 micrograms.
How long does it take for B12 pills to work?
A response usually is seen within 48 to 72 hours, with brisk production of new red blood cells.
Which form of vitamin B12 is best?
The body may absorb cyanocobalamin better, while methylcobalamin has a higher retention rate. Both can prevent B12 deficiency, but methylcobalamin should be combined with adenosylcobalamin for best results.
Do B12 pills help you lose weight?
Vitamin B12 is one of the essential B vitamins that help support a healthy nervous system. B12 works by converting the food we eat into sugar and other types of fuel that keep the body running smoothly. B12 is often associated with weight loss because of its ability to boost metabolism and provide lasting energy.
Can you take 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.
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.
- Constipation, diarrhea, loss of appetite, or gas.
- Nerve problems like numbness or tingling, muscle weakness, and problems walking.
- Vision loss.
How often should you get B12 injections?
Once your B12 levels stabilize, you only need to administer every three to four days for 2-3 weeks. To maintain appropriate levels, it is suggested you take one B12 injection monthly and frequently get blood tests to determine future treatment.
Can low B12 cause hair loss?
When vitamin B12 levels are low, your hair follicles may not be able to grow new hair as efficiently, resulting in hair loss. A vitamin B12 deficiency can also cause symptoms of anemia, which is associated with low iron levels, hair thinning, and hair loss.
Is it safe to inject B12?
Vitamin B12 injections are generally considered to be very safe. They have no major side effects. However, in very rare cases, some people can experience side effects caused by allergic reactions or sensitivity ( 29, 30 ).
Can I take B12 everyday?
The recommended daily intake (RDI) for vitamin B12 for people over 14 is 2.4 mcg (1). However, you may want to take more or less, depending on your age, lifestyle, and specific situation.
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.
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