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We’re glad you’re here! If you have any questions, suggestions, or feedback about Diet Coke’s nutrition, ingredients, health effects, or product variations, please don’t hesitate to reach out. We’re here to help and would love to hear from you.

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Email: [email protected]
Website: dietcoke.quest

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Response Time

We aim to respond to all inquiries within 24-48 business hours. Thank you for your patience!

About Our Support Team

Our dedicated support team is passionate about providing accurate and helpful information about Diet Coke. Whether you have questions about ingredients, health effects, or product options, our knowledgeable staff are here to assist you with care and expertise.

Effective date: August 6, 2026