When you place an online order with us, we collect your e-mail address, land address, and sometimes telephone number. Or take a moment to fill out our customer service contact form: To manage your order by mail or for any other ordering issues, write us at:

We also provide you with a mailing address to contact us if you have any problems. We supply a link at the bottom of each e-mail to manage your subscription to the Guide to Good Health e-letter. Please note you can remove yourself from our list at any time. We know how important your privacy is to you so we guarantee that we will NEVER sell your e-mail address. Spreen personally approves and endorses every NorthStar product. Spreen also coaches diving at the international and Olympic levels. In addition to his role as a Senior Member of the prestigious Health Sciences Institute Advisory Panel in Baltimore, MD, Dr. Spreen has also been featured on the Discovery Health channel for his expertise and experience in finding natural solutions to the worst health problems of today. Spreen is the author of Nutritionally Incorrect - Why The Modern Diet is Dangerous and How to Defend Yourself, as well as co-author of Smart Medicine for Healthier Living. Dr. Nationally acclaimed as America’s “Nutrition Physician', Dr. Spreen has been helping people stay healthy and disease-free as a private doctor, published author, and noted researcher. He personally approves and endorses every NorthStar Nutritionals supplement, pain relief formula and natural health product.

Allan Spreen is NorthStar Nutritionals' Chief Research Advisor.

Who is dr. allan spreen