Are Your Supplements Certified?

Dr. Ann Tsung
3 min readJun 15, 2019

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I look for USP (United States Pharmacopeia) or NSF (National Sanitation Foundation) certification to ensure that the manufacturing facilities meet standards. Many supplements contain fillers (powdered vegetables) instead of the labeled ingredients.

Although if the supplement does not have the USP/NSF certification, it does not mean it is not a quality product, since it is very expensive to obtain the certification.

Another option is to check Consumer Lab. It is a private company that tests the products purchased from stores.

Brands I use: Metagenics, Thorne, Nordic Naturals, Pure Encapsulations

This is my practitioner store with Wellevate (similar to GNC):
I placed a 25% discount on all products in the entire store. Pleasse create an account and you will see the discounted price. Free shipping over $49.

Disclaimer — Please consult your doctor before taking any supplements. I do receive a very small profit from your purchase, but my purpose is to educate and save you money on supplements you currently take.

Search for NSF Certified Dietary Supplements —

  1. Label claim review to certify that what’s on the label is in the bottle
  2. Toxicology review to certify product formulation (don’t test for efficacy)
  3. Contaminant review
Sample result for Thorne.

Search for NSF Certified Sport Products

Products do not contain any 270+ substances banned by major athletic organizations.
Contents of the supplement match the label.
There are no unsafe levels of contaminants
The product is manufactured at a facility that is GMP registered and audited twice annually for quality and safety

USP —
Make sure there is USP Verified Dietary Supplement Mark versus “USP” alone. Manufacturer is claiming to adhere to USP standards but the product has not been tested by USP.

USP —
Make sure there is USP Verified Dietary Supplement Mark versus “USP” alone. Manufacturer is claiming to adhere to USP standards but the product has not been tested by USP.

List of Certified Supplements

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Dr. Ann Tsung

Student in the Art of Fulfillment 👩🏻‍🎓 Emergency & Critical Care Doctor 👩🏻‍⚕️ Aerospace Medicine Resident 🌎💫☀️ Every Post is a Lesson Learned 🍀