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Harvard Health Blog
What’s in your supplements?
- By Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
Cheaply made vitamins are an issue(rip off) and are primarily riding on the back of good well made supplements which you see in published studies. People take vitamins because of some advertisement citing published studies or from a verbal or expert recommendation. But getting pharmaceutical grade supplements that have gotten positive published results is a buyer beware proposition that requires the person to ask questions and to do some research. Pharmaceutical grade are well made and tested so you would expect to pay more. But paying more is no guarantee. Generally you want to see if the supplement has 3rd party certification like GMP, ISO etc and also if you can talk to them too establish what they are like or trustworthiness and how and where they source their ingredients and if they test for contaminants . But it should be kept in perspective that even though it is fairly unregulated it is not recording any deaths as published in US Poison Control Center and yet it seems counter intuitive that under the most regulated regime there are quite a few.
I have pain in my calf n foot n it never goes away it hurts bad to walk I had this pain since September the pain never stops do u think I have this disease please help me can’t take the pain n my foot is always freezing.Thank You Josey
I am not a doctor, but your symptoms sound like a blood clot. You should seek medical attention as soon as possible.
This is a very good article. I was always surprised the way the supplements are promoted at the cost of human health. These supplements should be banned as they are health hazard.
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Making Sense of Vitamins and Minerals
About half of all Americans routinely take dietary supplements. The most common ones are multivitamin and multimineral supplements. Making Sense of Vitamins and Minerals: Choosing the foods and nutrients you need to stay healthy explains the evidence behind the benefits and safety profiles of various vitamins and minerals. It also includes the recommended minimum and maximum amounts you should consume, as well as good food sources of each.
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