Great company
Great company, only place we can get vit B with the intrinsic factor which my cousin needs.
By Marylee
Monday, November 9, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
277 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Wonder Laboratories is a vitamin and supplement manufacturer located in the heart of Tennessee. We develop, manufacture and distribute quality products to support and maintain healthy body functions at a great price.
Wonder Labs (wonderlabs.com) has 277 customer reviews on The Fair Hearing, with an average rating of 4.8 out of 5.
Showing 249 reviews with 5 stars · Clear filters
Great company, only place we can get vit B with the intrinsic factor which my cousin needs.
By Marylee
Great company, great service, and really great products! Love and trust Wonder Labs over ordering from any other place.
By Priscilla D.
Excellent service and products. Will always buy from them.
By April
Very, very customer oriented. I'm a brand new customer so not sure of their products yet, but I can tell you this ..... they care a great deal about the customer.
By Barb
I have been with Wonder Labs for over twenty years now. There is no other company in the world that has products of the highest quality and best prices and also is 100% green with the amount of solar power they produce. There is something else that should make you trust this company. They are in the United States where they make their products. If you are purchasing anywhere else you are getting ingredients from countries that do not care about your health, just your money. I will always buy U.S. products when possible and this is the place to make sure you can trust what you are putting into your body. Thank you Wonder Labs for caring about your customers.
By Dan
The best products great prices lots of deals things you can't find anywhere else great shipping I order from them all the time
By Nancy
Have used Wonder Labs for many years now. Good, constant products, shipping comes when expected and customer service is there to assist you if you need them.
By Marshalleen P.
I've used Wonderlabs for years and they have never gotten anything wrong yet! The Valerin helped me safely get off of several opiates my doctor had me taking. It's an awesome product. Thanks, Wonderlabs!
By Merrilee D.