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December 17, 2024

We see them everywhere now, from the grocery store to influencers promoting them on social media. According to estimates, there are currently approximately 100,000 supplements on the market, making it a roughly $71.6 billion industry. So, it’s understandable that many people become overwhelmed when deciding whether or not to take a supplement and which ones to choose. The following information will help clarify this complicated topic.
What is a supplement?
The most common supplements include:
- Vitamins (multivitamins or individual vitamins such as vitamin A or D)
- Minerals (iron, calcium, magnesium or potassium)
- Botanicals or herbs
- Botanical compounds (caffeine falls in this category)
- Amino acids
- Live microbials (commonly referred to as probiotics)
Supplement regulation
Supplements are not regulated like other consumer products, such as prescription and over-the-counter pharmaceuticals. It is up to the supplement manufacturer to ensure the safety and accuracy of labeling. The FDA’s regulatory role typically begins after a supplement is already for sale. Many supplement companies produce and sell supplements without even notifying the FDA. Since the implementation of the Dietary Supplement Health and Education Act (DSHEA) of 1994, there has been a rise in supplements manufactured and sold.
Because it is up to the company that manufactures and sells the supplement to accurately label these products, it’s not uncommon for products to be mislabeled and contaminated. Consuming these products can pose risks, such as interference with prescription medications, medical conditions and even ingredients in your diet.
What’s the solution?
The only way to know what is truly in supplements is through third-party laboratory testing—independent organizations that test to verify the quality and quantity of ingredients in these products. The two primary third-party testing organizations are USP and NSF. Look for these seals when shopping for a new supplement.

USP Verified Products | Quality Supplements

Listing Category Search Page | NSF International
You can use these links to search common supplement brands to determine if they are verified or certified.
Supplements can be a great way to supplement your diet and get all the necessary nutrients. However, not everyone needs to take supplements, which is why it’s important to always talk to your health care provider first.
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