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If you have any questions about One A Day Vitamins would like other information or a coupon towards your next purchase, please contact us.

By Mail

Bayer HealthCare LLC
Consumer Care
Attn: Consumer Relations
100 Bayer Boulevard
Whippany, NJ 07981-0915

By Telephone

1-800-800-4793
(9:00 AM - 5:00 PM E.S.T.)


Consumer Relations is committed to representing the voice of each individual consumer to the Bayer HealthCare organization. Our mission is to provide complete consumer care to every one of our consumers. We strive for excellence in all that we touch and believe that as an organization, we grow from each consumer who touches us.