A 25-year-old male asked:
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i am low in b12 and taking 500mcg tablet daily. how long does it take to work?

1 doctor answer
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 2 best forms of B12 are methylcobalamine hydroxycobalamine. Cyanocobalamine is most commonly available and cheaper than the above 2 and best used by injection I recommend you take 1000ug sub lingual daily or the same dose 1 to 2 x a week
Answered on Jun 12, 2019
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A 22-year-old male asked:
Dr. Randy Baker
39 years experience Holistic Medicine
Maybe...: Wow, pretty low levels. I imagine you're taking 750 mcg daily, not mg. Increase to 1000 mcg 2x/day and chew the tablets- see http://bit.Ly/1cbhjvn so ... Read More
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A 19-year-old male asked:
Dr. Michael Dugan
Specializes in Hematology
A heart rat of 88: Is not particularly fast. Further considerations for your chronic fatigue will need to be sorted out with your personal physician.
A 39-year-old member asked:
Dr. Andrew Lipton
29 years experience Holistic Medicine
B12: B12 injections work immediately, and serum levels show increase within the day.

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