Carb Cycling: Can This Old Bodybuilder's Trick Increase Your Fat Loss? Q: Tom, I've been following your Burn the Fat, Feed the Muscle (BFFM) program and using the carb cycling (aka zig zag) method. How long should it take to see results from cycling the carbs? I am just on my fourth day but I am curious as to what to expect. I am starting out with the basic guideline of 3 days low 1 day high and the macronutrient ratios suggested in BFFM. I am wondering how long to give it before knowing if I have to tweak the ratios. I am 5"2" and weigh 124 lbs. My beginning weight, 22 months ago, was 176 lbs. Now I'm trying your carb cycling method to shed the last of the stubborn fat that's "hanging" around. A: Carb cycling has been a "secret weapon" fat loss trick of bodybuilders for decades. It's one of my personal favorite methods as well. It Works! However, what carb cycling can and can't do and how to use carb cycling most effe...