Hello @sailor1750,

First, welcome to Connect. Second, thank you for sharing a bit about yourself. At 79, it sounds like you are still pushing yourself to stay in shape and remain healthy. While it may not provide all of the answers, here is an article that you may find interesting from Mayo Clinic on diet changes to help muscle loss prevention, http://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/expert-blog/seniors-beef-it-up-to-prevent-muscle-loss/bgp-20136508.

@sailor1750, have you discussed this with your current medical provider or nutritionist? If you don't mind sharing, do you have any other limitations like joint issues?

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