Your Dietary Supplement:
Does It Contain What It 'Says' It Does?
Michelle M. Noonan, PharmD
Candidate 2004
University of Missouri-Kansas City, Kansas City, MO
Prepared during Consumer Health Information Corporation Clerkship
McLean, VA
Consumers need to know where to
go to find out more honestly what is and what is not in their
dietary supplement. According to the National Institutes of Health
Office of Dietary Supplements, a dietary supplement will say "dietary
supplement" on its package label and will have one or more
of a vitamin, mineral, herb, or other botanical.
What do you need to know before you buy a
supplement?
Can a dietary supplement make a claim to treat
or cure a disease?
NO. Even though there may or may not be some positive health effects
from taking it, a dietary supplement may not list on the label
that it can treat, cure, or prevent a disease. The label may tell
how it will affect the body, but it is against the law for the
makers to list anything about a specific disease. This protects
the public from being misled by supplement manufacturers.
Who makes sure the supplements are safe?
The Dietary Supplement Health and Education Act of 1994 (DSHEA,
pronounced
'da-shay'), requires the product maker to be sure the product
is safe before it reaches store shelves. The U.S. Food and Drug
Administration (FDA) can only remove a product AFTER proving it
is not safe.
What about the quality of the supplement?
ConsumerLabs.com,
is a private, non-government, company that offers free information
about supplements. There are many products listed on their website,
such as herbals, supplements, vitamins and minerals and nutrition
products. The company buys products, runs tests in the lab, and
lists what they find on their website. Only products that have
the same amount of each ingredient in their product that their
label says it does pass the "quality" test. For example,
after testing a batch of Gingko Biloba Brand A 60mg capsule, if
the tests to do not show there is 60mg in each capsule, that Brand
A does NOT pass the quality test. Brand A will NOT be listed on
the website. The list will only include the brands that did pass
the quality tests. It is also good to re-check the website for
any new results on products.
You should never think that a product is right
for you just because a product passes a quality test on this website.
You must always check with your doctor before taking any kind
of supplement. The reason you need to check with your doctor first
is that supplements can be dangerous, especially if you are taking
other medicines at the same time.
Where do I report a problem with a dietary
supplement?
First, if you think you are having a health problem after using
a dietary supplement, call your doctor right away. Next, you or
your doctor, are encouraged to call the FDA to report the problem.
This step will help protect others and is a good way to keep track
in case a product is dangerous. The FDA's MedWatch hotline is:
1-800-FDA-1088, or by fax 1-800-FDA-0178, or by website
http://www.fda.gov/medwatch. The Internet website even offers
a free, postage paid MedWatch form that you can mail instead.
Where can I find more information?
For more reading on dietary supplements, product labels and safety,
try a government website. Here are some sites you can try:
- www.consumerlabs.com
- a private company that lists products that pass their quality
check, but not the best source to find out the amount of supplement
that each person needs or how a supplement may work for you.
- www.cfsan.fda.gov
- a government site, the Center for Food Safety and Applied
Nutrition
- www.nccam.nih.gov
- a government site, the National Center for Complementary and
Alternative Medicine
- www.quackwatch.org
- Retired Psychiatrist, Stephen Barrett, MD, comments on latest
myths, fads, etc.
Use caution because not all websites have accurate
information. Always check with your doctor or pharmacist to be
sure that the information you are reading is accurate.
What if I have questions? Check with your
pharmacist.
The pharmacist is a good source of information.
Be sure to ask about any side effects and drug
interactions that could occur with other medicines that you are
taking. Tell your pharmacist about any other supplements or remedies
you are using as well. If you are going to use supplements, discuss
the choices with your doctor and pharmacist before you spend your
hard earned money.
Knowledge is power, so be sure to get as much
information as you can before you start taking a supplement. Your
pharmacist is your best source for information because he or she
is working in the community. Do your homework and then talk to
your pharmacist so you can be smart about buying and using supplements.
© 2003 Consumer Health Information Corporation. All rights reserved.

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