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Optimum Nutrition - Frequently Asked Questions

How do I know my Optimum Nutrition items are authentic?

To tell the difference between an imitation version and a genuine product, visit the Optimum Nutrition Authentication page. Check the various authentication features on the Optimum Nutrition packaging. Every product has a gold hologram seal on the neck, a unique tub design, and the date and batch codes.

Can I use Optimum Nutrition products while pregnant or breastfeeding?

No. Optimum Nutrition is not intended for use while pregnant or breastfeeding.

Does Optimum Nutrition ship internationally?

No. At this time, Optimum Nutrition ships only within the U.S.

How do I contact Optimum Nutrition?

Reach out to the customer service department by emailing indiacustomercare@glanbia.com.

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