Doctor insights on:
Is 500 Mg Of B12 Too Much To Take
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 other reasons to have a B12 deficiency, the recommendation could go as high as 2000 micrograms. B12 is cleared by the kidney so taking too much is urinated out of your system. ...Read more
Yes, but...: It is too much, unless you have severe absorption problems, but 2500mcg should solve that. You will pee out the excess since it will shortly saturate your body supply and it is non toxic. You will pee out the excess! ...Read more
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 water soluble vitamins (B's and C) don't have toxicity states. Niacin might be another exception (too much can give you liver problems,& excessive vaso distillation) All the fat soluble vitamins (K,A,D & E) have toxicity states. ...Read more
Yes it is safe: But my question is why you are taking these doses. Raising the serum level does not really matter at all. It is the intracellular level that matters and we cannot measure that. It is your overall health that decides the issue. ...Read more
Is it safe to take spring valley chewable B12 2500 mcg more than directed? One doesn't work enough for me, how much is too much?
Safe: Extra vitamin B12 will have no effect whatever on someone who has enough of the vitamin. Anyone who tells you otherwise is taking advantage of the human susceptibility to the placebo effect. If you are interested in "natural healing", get with an evidence-based holist in your community. ...Read moreSee 1 more doctor answer
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. Your physician knows how to tell. Best wishes. ...Read more
Is 500mg of B12 to much to take? If so what's the recommended dose? D3 1000 mg a day to much if so what's the recommended dose?
Not too much: 500 mg of B12 is fine. But beware that B12 can compete with folate (folic acid) for absorption, so take some folate (folic acid) too. Metafolin is good. D3 1000 iu is not too much. Some people need more. Check bloodwork 25 oh d to know your level.. 50-60 is a good number and below 40 is on the low side. ...Read more
Vitamin B12 level is 150, I am on 1 tablet a day for it 1mg of B12 vitamin. Is this efficient enough? I'm so tired.
See below: Unless you are a strict vegetarian, B12 deficiency suggests problem with absorption of food stuffs and that can explain other symptoms as well. If you have poor absorption of food, you will need injection of B12 and may need additional treatment for malabsorption. You may wish to consult a gastro-enterologist. See this site for info. http://www.nlm.nih.gov/medlineplus/ency/article/003705.htm. ...Read more
1500-2000 mg/day: At least 1500 mg of calcium per day from foods rich in calcium and supplements. It is also very important to ensure vitamin d levels are kept normal. This will usually require a vitamin d supplements, because steroids cause the body to use up vitamin d much faster than usual. ...Read moreSee 1 more doctor answer
Is it safe for me to take B12 (500 mcg) twice a day? Is it okay for me to take vitamin B12 (500mcg) along with hair and nail vitamins with B12 100mcg
Is Florinef (fludrocortisone) 0.05 mg daily bad to be on longterm for POTS syndrome? how long is too long?risk of osteoporosis? Is it better than low dose prednisone?
Ask your doctor: Postural Orthostasis maybe helped by florinef (fludrocortisone). As it seems you know it is not without risk. You need and deserve to have a full conversation with the prescribing physician not just a text commentary. That being said, there ARE other choices- usually more costly, but anything beats ffeeling woozy or passing out right? I personally would take it for a time. Hope this helps- stay well ...Read more
Probably no unless: If you literally mean 2000 mg that is a very toxic dose, as 2000 mg = 80 million iu of vitamin d! however, I have a feeling you are asking if 2000 iu of vit d is too much, as vit d is almost always labeled in iu rather than mg. Most adults need to take 5000-8000 iu/day to achieve optimal levels. See http://www.Vitamindcouncil.Org/about-vitamin-d/how-do-i-get-the-vitamin-d-my-body-needs/. ...Read more
I took vitamin b12 1000mcg on may 28th how long does it take for b12 too get out of the body fully so I can take a Lower dose 250mcg.
Wrong question: Why ask this? There is no toxic dose of B12. You will absorb only a tiny fraction of these very large doses. Why are you taking it? Most of the time 250 will be about the same as 1000. You can take the 250mcg any time.Since this is in many foods and is even produced by intestinal bacteria, a clinical deficiency occurs only in special circumstances. Vegan diet. Long term use of PPI or H2 blocker s ...Read more
What is the recommended daily dose of vitamin a? How much is too little and how much is too much?
See below please: U.S. Recommended dietary allowance (rda) for adults is as follows: 900 micrograms daily (3, 000 iu) for men and 700 micrograms daily (2, 300 iu) for women; for pregnant women 19 years old and older, 770 micrograms daily (2, 600 iu); and for lactating women 19 years old and older, 1, 300 micrograms daily (4, 300 iu). ...Read more
What is the max daily dose of vitamin B12 an adult female with very low levels can take? If her face is flushed is she taking too much?
Interesting question: Adults generally need 2.6 micrograms b12/day. To replace deficiencies, im shots bypass gut absorption problems that can contribute to deficiency in the first place. 1, 000 micrograms of intramuscular cobalamin can be given once/day for 10 days, then once/week for four weeks, followed by once/month for life. Sublingual b12, 500-1000mcg/day. The form of B12 (cobalamin) may be important; see comment. ...Read moreSee 2 more doctor answers
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