More Contact Info

Toll-Free Number:

(800) 705-5226

Other Info

Other Info (opening hours):

MAILING ADDRESS:

Consumer Affairs Department

3500 Lacey Rd Ste 1200

Downers Grove, IL 60515

Company Address

Optimum Nutrition, Inc.

24 Hargrove Ln

Willingboro,

United States

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Complaints & Reviews — Optimum Nutrition

11 Apr, 2021

I want to authenticate my product as I highly doubt My product is not original

I received a duplicate product from Nutrabay. I had ordered a whey protein and every text is in green. No QR code. The cap is not properly sealed. Please authenticate my product. User’s recommendation: Buy from Store and not online.

Weight Loss, Diets and Training

22 Sep, 2020

Waiting on a response

I have called and left a few messages for ON to return my call. Emailed their support team twice and went through pissedconsumer.com I have yet to hear from ON in response to my question about the B vitamins being methylated or not and also as I’m opening a fitness center, World Gym, in Dallas about coming... Read more➤

Weight Loss, Diets and Training

23 Jan, 2013

Packaging Dept.

The people here are so freaking RACIST! I was through a temp agency about 2 months & they fired me for nothing! LIED to my agency & said I wasn't soon well on the assembly line. I guess you start screwing up that freaking late after being there. It *** ME OFF b/c I really liked this... Read more➤

Weight Loss, Diets and Training

Most Reviewed

22 Jan, 2021

"Retests while driving"