Seth -- the organism itself has the amazing capacity to make use of substitutes and alternates

  The Nature of Personal Reality

– Part Two: Your Body as Your Own Unique Living Sculpture. Your Life as Your Most Intimate Work of Art, and the Nature of Creativity as It Applies to Your Personal Experience
– Chapter 16: Natural Hypnosis: A Trance Is a Trance Is a Trance
– Session 660, May 2, 1973 9:27 P.M. Wednesday

Physically, it is true, but again generally speaking, that your body needs certain nourishments. But within that pattern there is great leeway, and the organism itself has the amazing capacity to make use of substitutes and alternates. The best diet in the world, by anyone’s standards, will not keep you healthy if you have a belief in illness.

--Seth