- 1 Does vitamin B12 help with periods?
- 2 How many mg of B12 should I take daily?
- 3 How much B12 should I have in my blood?
- 4 How much B12 do athletes need?
- 5 Does B12 make you fertile?
- 6 Can vitamins affect menstrual cycle?
- 7 Can I take B12 twice a day?
- 8 When should I take B12 morning or night?
- 9 How soon does vitamin B12 start working?
- 10 Is 500 mcg of vitamin B12 OK?
- 11 Should I be worried if my B12 is high?
- 12 How do you know if your B12 is low?
- 13 Should I take B12 before or after my workout?
- 14 Does working out deplete B12?
- 15 Why do athletes take B12 shots?
Does vitamin B12 help with periods?
For period cramps and other menstrual symptoms, such as headaches, nausea and fatigue, women may find lasting relief from daily doses of fish oil and vitamin B-12, according to a small Danish study.
How many mg of B12 should I take daily?
The recommended daily amount of vitamin B-12 for adults is 2.4 micrograms.
How much B12 should I have in my blood?
Understanding the Results
But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL). Between 200 to 300 pg/mL is considered borderline and your doctor may do more testing. Below 200 pg/mL is low and more testing is needed.
How much B12 do athletes need?
How much vitamin B do athletes need? The recommended intakes range from 1.5 micrograms (mcg) for B12 to around 16.5 milligrams (mg) for B3.
Does B12 make you fertile?
Some studies have linked low levels of vitamin B-12 with female infertility. Plus, research shows that having higher levels of B-12 and folate may enhance fertility in women undergoing infertility treatment.
Can vitamins affect menstrual cycle?
We have demonstrated that vitamin D supplementation significantly affects the duration of menstrual cycle among participants. The prevalence of cycles longer than 35 days or oligomenorrhea ranged from 8% to 22% in various studies.
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.
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.
How soon does vitamin B12 start working?
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 500 mcg of vitamin B12 OK?
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 ).
Should I be worried if my B12 is high?
Though daily high doses of B12 are unlikely to cause harm in most people, extremely high doses should be avoided unless prescribed by a healthcare professional. If you think you may be deficient in B12, speak with your doctor, who can recommend an appropriate treatment based on your level of deficiency.
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.
Should I take B12 before or after my workout?
If you’re wondering why you see B12 in your BCAAs, this is probably it. But the evidence isn’t solid enough to definitively state that this is why you should take B12 with your pre–workout.
Does working out deplete B12?
Regular moderate exercise training decreased plasma folate and increased plasma vitamin B12 levels.
Why do athletes take B12 shots?
This water-soluble vitamin is vital for many important bodily functions, including the formation of red blood cells, DNA synthesis, and nerve regeneration. For this reason, it’s been used to help enhance athletic performance, fight fatigue, and provide additional energy to get through hectic schedules.