Vitamin B 12 (Systemic)
Before Using This Dietary SupplementIf you are taking this dietary supplement without a prescription, carefully
read and follow any precautions on the label. For vitamin B 12
, the following should be considered:
Allergies - Tell your health care professional if you have ever
had any unusual or allergic reaction to vitamin B 12
. Also, tell your health care professional if you are allergic to
any other substances, such as foods, preservatives, or dyes.
Pregnancy - It is especially important that you are receiving
enough vitamins when you become pregnant and that you continue to receive
the right amount of vitamins throughout your pregnancy. Healthy fetal growth
and development depend on a steady supply of nutrients from mother to fetus.
However, taking large amounts of a dietary supplement in pregnancy may be
harmful to the mother and/or fetus and should be avoided. You may need vitamin B 12
supplements if
you are a strict vegetarian (vegan-vegetarian). Too little vitamin B 12
can cause harmful effects such as anemia or nervous
system injury.
Breast-feeding - It is especially important that you receive the
right amounts of vitamins so that your baby will also get the vitamins needed
to grow properly. If you are a strict vegetarian, your baby may not be getting
the vitamin B 12
needed. However, taking large
amounts of a dietary supplement while breast-feeding may be harmful to the
mother and/or baby and should be avoided.
Children - Problems in children have not been reported with
intake of normal daily recommended amounts.
Older adults - Problems in older adults have not been reported with
intake of normal daily recommended amounts.
Medicines or other dietary supplements - Although certain medicines or dietary supplements should not be used together
at all, in other cases they may be used together even if an interaction might
occur. In these cases, your health care professional may want to change the
dose, or other precautions may be necessary. Tell your health care professional
if you are taking any other dietary supplement or any prescription or nonprescription
(over-the-counter [OTC]) medicine.
Other medical problems - The presence of other medical
problems may affect the use of vitamin B 12
.
Make sure you tell your health care professional if you have any other medical
problems, especially:
-
Leber's disease (an eye disease) - Vitamin B 12
may make this condition worse
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