Always consult your doctor or pharmacist before having vitamin B12.
If your condition does not improve or becomes worse, then call your doctor.
Driving or operating machinery is okay.
Do NOT use vitamin B12 if:
- You are allergic to vitamin B12, cobalt or any other product ingredient.
Use of vitamin B12 during pregnancy or breast feeding is likely safe when taken according to recommended amount. Consult your doctor or health care professional before having vitamin B12.
Refer to your doctor or pharmacist for guidelines on dosage. Do not exceed what they advise. Usual dose for adults according to the recommended dietary amounts (RDAs) are 2.4micrograms daily for ages 14 years and older, 2.6micrograms daily for pregnant females, and 2.8micrograms daily for breastfeeding females. Those over 50 years of age should meet the RDA by eating foods reinforced with B12 or by taking a vitamin B12 shots. Supplementation of 25-100micrograms daily has been used to maintain vitamin B12 levels in older people. A doctor and a pharmacist should be consulted for use in other indications.
Children under 18 years old: recommended dietary amounts (RDAs) are lacking for all age groups; therefore, adequate intake (AI) levels have been used instead. The RDAs and AI levels of vitamin B12 are as follows: for infants 0-6 months old, 0.4micrograms (AI); for infants 7-12 months old, 0.5micrograms (AI); for children 1-3 years old, 0.9micrograms; for children 4-8 years old, 1.2micrograms; and for children 9-13 years old, 1.8micrograms
There are several drugs that may interact with Vitamin B12 including: drugs that affect blood cell production (e.g., chloramphenicol, anti-cancer drugs, HIV drugs), other vitamins/nutritional supplements (especially folic acid). Consult with your doctor about any medications you are taking, before your treatment with Vitamin B12.
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