Is high quality cheese a good fat source on Glow15 low days? Customer Service June 21, 2023 16:44 Updated Yes, as long as the protein content is monitored. To learn more and to order Glow15, click here. Related articles Can I do Glow15 if I am vegetarian? What is the role of Vitamin C as it relates to collagen? Can I have whole wheat bread as part of the Glow15 program? Comments 0 comments Article is closed for comments.