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Ask the RDs Ask us your fitness & nutrition questions. First Name Last Name Email address Using dotFIT Me Program Yes No Phone Category Select Sales Supplements Nutrition Coaching Career Success Diets Weight Loss Muscle Gain Other Question Send Question Featured Questions I'm a member at crunch fitness, I'm starting to add some full body workouts to my gym time. my question is how many reps do i do for weight loss and strengthening? also do i take breaks in between each rep? Thanks for the question. And I’ll answer the best I can without knowing more about you – i.e. withou More... July 17, 2018 Does the UltraProbiotic have genetically modified strains? There is no genetic modification with the strains in the UltraProbiotic, only preservation: our manu More... July 16, 2018