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Role of dietary intake in weight loss

Exercise and Physical activity linked to weight loss

Basics of calorie counting by Harvard Health

Diet and exercise for weight loss - Research paper by US National Library of Medicine

Research on weight loss, diet and workout

Source of food database used in the app

Here’s a list of some world renowned research publications that form the basis of health and nutrition advice presented in this app

Nutrition

Resources

Workouts

Colby Farrell

The Workout Vault gives you unlimited access to ALL workouts in the iFarrellzz Fitness Catalog.

The Workout Vault

This complete 90 day program combines powerful, progressive workouts with dialed-in nutrition to help you get leaner, stronger, and more confident!

Confidence isn’t a mystery. It’s a method. Let’s get to work.

Guaranteed results or your money back!

90 Day Blueprint to Confidence 

✅ Weekly Tailored Nutrition Plans – No generic templates. I design your plan based on your preferences, schedule, history, and goals. (Grocery List Included)

✅ Weekly Check-Ins – Get real-time accountability and expert adjustments that keep you progressing.

✅ Ongoing Messaging Support – Ask questions, celebrate wins, or get a boost when life gets tough. I’m in your corner every step of the way.

✅ Sustainable Results – I don’t do crash diets or 30-day gimmicks. This is nutrition coaching that teaches you what works for life.

This isn’t a faceless app or a one-size-fits-all PDF. I’m here to support you toward your goals with empathy, strategy, and zero judgment.

Colby Farrell

Certified Personal Trainer & Nutritionist