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how much b12 is safe to take daily

A 45-year-old member asked:
Dr. Richard Mcgee
49 years experience Hematology and Oncology
Yes: Yes. But that is a very high dose and your body will discard most of it without use unless you are having trouble absorbing it. I am not aware of an ... Read More

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A 40-year-old male asked:
Dr. Michael Dugan
Specializes in Hematology
Probably: But why would you take such a high dose?
A 30-year-old female asked:
Dr. Bryan Treacy
34 years experience Gynecology
Yes: Most prenatal vitamins contain what you need for pregnancy, however. Vitamin b6 can help with nausea related to pregnancy.
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A 43-year-old female asked:
Dr. Rachel Chastanet
33 years experience Bariatrics
Unneccessary: B vitamins are all water-soluble, so excess is excreted in the urine. Therefore, it is generally safe to take extra B-vitamins, but there is no medic ... Read More
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A 39-year-old member asked:
Dr. Ronald Krauser
51 years experience Rheumatology
see details: The maximum dose of aleve (naproxen) is 1, 500 mg daily assuming you have normal kidney function and no GI problems.
A 37-year-old member asked:
Dr. Scott Bolhack
34 years experience Wound care
Robitussin (guaifenesin): This medication is meant to be used on the short term. If you require the medication to suppress a cough all of the time, then you need to see a clin ... Read More
A 48-year-old male asked:
Dr. Bahman Omrani
16 years experience Pain Management
A handful: A small handful of fresh strawberries is safe to take daily; the nutrients are absorbed better this way.
A 36-year-old male asked:
Dr. Eric Weisman
35 years experience Neurology
There is a toxicity: state with Vitamin B6 but not B12 . B12 is present in a lot of different foods but absorption requires a complex mechanism. Generally speaking the wat ... Read More
A 35-year-old female asked:
Dr. Chuck Shaffer
32 years experience Bariatrics
See below: You should exercise 30 to 45 min each each day cardio is the best....Be sure you eat correctly! see www. Weighstation .Net for example of healthy eati ... Read More
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A 44-year-old member asked:
Dr. Joel Gallant
35 years experience Infectious Disease
Take effect?: I'm not sure what you mean by 'take effect.' the only indication for vitamin B12 injection is for people with severe B12 deficiency or those who are ... Read More
A 41-year-old member asked:
Dr. Carrie Champine
17 years experience Obstetrics and Gynecology
Depends: IF you start it when you are on your period, you are protected immediatley. If you start five days after your bleeding starts, you should use back up ... Read More
A 52-year-old member asked:
Dr. Victor Kopyev
32 years experience Internal Medicine
Upto 30 mg: You can take upto 30 mg at night.
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A 53-year-old member asked:
Dr. Ronald Krauser
51 years experience Rheumatology
1000 mg: 1000 mg.
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A female asked:
Dr. Gurmukh Singh
48 years experience Pathology
How often?: There are no known illeffects from overdose of vitamin B12, but you would be wasting your medication and money. If you need to take vitamin B12, you s ... Read More
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A 39-year-old member asked:
Dr. Charles Whiting
26 years experience Obstetrics and Gynecology
7 days: If you are using combined oral contraceptive pills you are protected after 1 week of use. Best wishes
A 43-year-old member asked:
Dr. Ahmad M Hadied
48 years experience Orthopedic Surgery
Yes ie is if taken: Propranolol is a non-selective beta blocker, that is, it blocks the action of Epinephrine and norepinephrine on both β1- and β2-adrenergic receptors. ... Read More
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A member asked:
Dr. Frank Kuitems
38 years experience Internal Medicine
Well : Ask your doctor but anabiotic's for boils are usually given 7 to 10 days. But you really need specific advice from a physician for your case
A 46-year-old member asked:
Dr. Louis Esquivel
34 years experience Holistic Medicine
Maybe: The recommended daily allowance for a health adult is only 2.4 micrograms but depending on other health circumstances such as pernicious anemia or oth ... Read More
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A 41-year-old member asked:
Dr. Evan Hirsch
8 years experience Integrative Medicine
Depends: It depends on how deficient you are. Usually 2000mcg/day is recommended. Taking a form that is under the tongue is better absorbed. Balance with a b-c ... Read More
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A 28-year-old male asked:
Dr. Akhtar Purvez
39 years experience Pain Management
That is possible: 800mg 3 times a day is given in healthy adults This is from a National Institutes of Health report: The appearance of clinically apparent liver inju ... Read More
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A 52-year-old female asked:
Dr. Thomas Namey
47 years experience Rheumatology
Yes and no!: Fda approved, it can have side-effects: tachycardia, arrthymias, and an increase in blood pressure. The problem with phenetermine is that it usually ... Read More
A 34-year-old female asked:
Dr. Ed Friedlander
43 years experience Pathology
No: It's very safe. If you are taking it as an oral supplement, be sure you are able to absorb it by this route -- many people who are deficient cannot. Y ... Read More
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A 30-year-old male asked:
Dr. Jehangir Rao
Specializes in Holistic Medicine
What type of B12: The most reliable way to make sure you are getting it into your system is by self injection. Next best is by using sub lingual (under the tongue). The ... Read More
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90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

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