Cover of the Optimal Digestive Health book In Optimal Digestive Health, Dr. Kunin published two articles (The Problem of Viruses and Nutrients for Repair) that explore how the body's digestive system can be affected by viral infections, and the role of nutrients in both preventing these kinds of infections and how a sound nutritional foundation promotes optimal digestive system health.

Optimal Digestive Health: A Complete Guide, (Inner Traditions / Bear & Co, 2005); Nichols & Faass (editors); pp 189-192, pp 288-304

Available as a free downloadable PDF.