Get Discounts & Deals
Free Gift with Orders Over $99
Find A Plan
Top 50 Products
Top 10 Product Lists
Sales & Specials
Shop by Popularity
Just For You
New Product Releases
Shop Women's Store
Find A Plan
All Training Articles
Transform For Life Challenges
Ask the Experts
Tools and Trackers
New Product Releases
Men's Weight Loss Plans
Men's Build Muscle Plans
Women's Weight Loss Plans
Women's Build Muscle Plans
Fitness 360 Weight Loss Plans
Fitness 360 Muscle Building Plans
Find a Supplement Plan
Find A Plan
Ask the Experts
All Nutrition Articles
On The Go
Healthy Foods & Meals
Top 50 Supplements
Top 10 Protein Bars
Lifted: Transformation Series
Just For You
Women's Articles and Videos
Shop Women's Store
Shop Men's Protein Powders
Shop Men's Multivitamins
Nutrition Plan | Julien Greaux's 365 Circuit Trainer
Nutrition & Meal Plan | Erin Stern's Elite Body 4-Week Fitness Plan
Nutrition & Supplementation | Steve Cook's Modern Physique
Pre-Workout Salad Dressing | Transformed | Day 56
Greens Protein Smoothie | Transformed | Day 49
Latest in Diet Plans
Learn Which Dietary Fats Can Actually Help You Lose Fat
It sounds contradictory, but consuming certain dietary fats can help you lose body fat. But you need to know what you're doing. Here's your guide.
3 Ways To Search And Destroy Unwanted Calories
To successfully lose weight, you need an airtight meal plan that doesn't let calories slip through the cracks. Make these 3 changes to your daily diet, and get rid of uncounted calories!
Avoid These 5 Common Mistakes When Keto-Adapting
Transitioning from a high-carb diet to a low-carb diet with minimal symptoms requires knowledge and discipline. Use our handy guide to avoid the common pitfalls.
How To Stick To The Last Few Weeks Of Your Diet
The last few weeks of a diet are make or break. Here's how to avoid those cravings and finish strong!
Podcast Episode 4: Dr. Dominic D'Agostino on the Ketogenic Diet
Researcher Dr. Dominic D'Agostino explains the significance and best approaches to the ketogenic diet, troubleshooting common problems, and looking at the next frontier of ketogenic and fasting-related research.
4 Keys To A Winter Bulk That's All Muscle
Move over, Marshmallow Guy! This clean bulk can add 15 pounds of muscle on your frame this off-season.
The 5 Biggest Keto Mistakes
Are you doing the ketogenic diet the right way? If you're struggling, here are the most likely explanations, and the solutions!
Ask the Expert Panel: Ketogenic Diet
Steve Hertzler, PhD, and athlete Jason Wittrock sit down to answer your questions on ketogenic dieting.
The 5 Best Protein-Packed Exotic Meats
Tired of beef and chicken? Up your muscle-building protein intake with these nutritious and flavorful alternatives!
3 Novel High-Protein Seafood Options
Salmon and tilapia are the face of high-protein seafood options, yet several other seafood choices offer even more protein. Start eating these 3 high-protein swimmers today!
Ketogenic Diet: Your Complete Meal Plan and Supplement Guide
Jumping into the ketogenic diet without a rock-solid plan will set you up for failure. Use this approach, crafted by researchers and athletes who have done the work and made the switch already!
5 Must-Read Rules Of Successful Meal Prep
Meal prep doesn't have to be something you dread. Rather than making last minute grocery trips and guessing about the numbers, follow these 5 simple rules of successful meal prep!
Meal Plan For Every Guy
Guys get ripped for being kitchen novices, but these pillars of nutrition can elevate you to pro status.
The Keto Diet: A Low-Carb Approach To Fat Loss
The idea of the ketone diet is to get your body into a process called Ketosis where you stop burning carbohydrates as fuel... Learn more about how it works, variations, etc.
5 Reasons You're Not Ripped
If you're spinning your wheels in your fat-loss efforts, perhaps you're committing one of these not-so-obvious physique-softening mistakes.
Skinny Guy's Guide To Gaining Weight!
Vince Del Monte teaches you how to gain weight and how to defeat your skinny genetics even if you're a hard gainer. See if you agree or disagree!
10 Best Ways To Lose Weight Faster
Has your fat loss stalled? Burn more calories and lose more weight by trying one of these 10 techniques!
3 Reasons To Consider Keto
Learn how a keto diet can benefit nearly anyone.
Is Cutting Carbs The Key To Fat Loss?
A new study seems to put an end to the low-carb vs. low-fat debate. Or does it? Read the details and decide for yourself!
The Ultimate List Of 40 Low-Carb Foods
If you're watching your waistline, here are the best low-carbohydrate foods to help keep the fat off. Add them to your shopping list!
Ketogenic Dieting: Frequently Asked Questions
Have your burning keto-queries answered by Dr. Jake Wilson!
Ketogenic Dieting 101: How To Use Fat As Fuel
Eating fat to burn fat may sound crazy, but ketogenic dieting has many researched benefits. Learn how this popular diet may impact your body composition, performance, and fitness goals!
The Pyramid Of Fat Loss
Use this simple Pyramid of Fat Loss to manage your nutrition, workouts, and supplementation!
The Female Training Bible: Everything You Need To Get The Sexy Body You Desire!
Fitness can be an intimidating endeavor. We want to help you overcome your fears. So you can walk into the gym and rock it!
Ask The Nutrition Tactician: What's The Difference Between Low-Carb And Keto?
One diet is low-carb, the other is lower-carb. Is there anything else you need to know? You bet. Learn the differences, and decide which is better for you.
40 Laws Of Lean
Looking to ditch unwanted body fat? Shred smart with these helpful tips.
4 Fat-Loss Habits You Need This Year
Tired of the stale New Year's goal-setting advice? Stop focusing on the end goal, and devote your attention to building these behaviors that make fitness resolutions into reality!
In Depth Look At Ketogenic Diets And Ketosis
Establishing the metabolic state of ketosis even for a short period of time has many outstanding benefits.
Bulking For Ectomorphs: Nutritional Requirements Including Sample Diet!
Fed up with bulking, only to look in the mirror and find the same skinny body. Learn what you need to eat... to grow right here!
The Facts About Intermittent Fasting, Fat Loss, And Muscle Growth
Proponents of intermittent fasting make a compelling case for their approach. But is it best for your goals? Here's the scientific breakdown, along with a middle-ground approach for maximum muscle growth!
How To Gain Weight
Is your body type stuck on skinny? Here are the most effect ways to put on muscle!
Dwayne Johnson's Rock-Hard Hercules Workout And Diet Plan
To play the son of Zeus in the upcoming blockbuster ''Hercules,'' Dwayne ''The Rock'' Johnson took his training to an entirely new level. In this interview, the movie icon reveals how you can build the body of a demigod.
Bulking With The Cyclic Ketogenic Diet!
Can you use the Cyclic Ketogenic Diet (CKD) as a way to gain a substantial amount of muscle mass while keeping body fat accumulation to a minimum? Learn how here!
Never Blow Your Diet Again
Traditional dieting often works better on paper than it does in practice. Lose more fat and experience less hunger with calorie cycling!
5 Delicious No-Bake, No-Bottle Protein Treats
Protein powder isn't just for shakes and pancakes anymore. Here are 5 simple recipes you can use right now to get more protein any time of day!
Can You Build Muscle On A Ketogenic Diet?
You know protein is essential for muscle growth, but carbs play an important role too. Here's what you need to know.
The Ultimate Guide to Reverse Dieting
Eat less, work out more. It can work wonders for a while, but definitely not forever. When you can't cut any more, it's time to turn your diet around. Here's how!
The Simplest Weight-Loss Diet Ever!
If you're looking to lose weight without the stress, this article is for you!
Intermittent Fasting: Everything You Need To Know
Intermittent fasting may improve fat loss and allow you to eat more cheat foods than a traditional diet, but how do you do it, and how does it work?
HD Abs: The Ab-Etching Diet 4 Weeks Of Fat Burning
The weather is warming up. That means your abs don't need that layer of fat insulation. Get rid of it, quick!
12 Keys To Building Muscle In The Kitchen
It's easy to put on mass if you don't mind the pudge. Putting on muscle without the lard requires a more exacting approach. This guide points you in the right direction.
What's The Best Way To Lose Weight?
From the weight room to the kitchen table to your weight-loss supplement stash, four top RSP Nutrition athletes weigh in on what it takes to drop fat and get lean!
4 Tips For Sticking To Your Diet When Dining Out
Don't surrender your social life in an effort to eat clean. Learn how to navigate restaurant menus and stay on your diet while eating out!
8 Week Summer Diet, Part I: What To Change In First 4 Weeks!
Below you will find an 8-week summer diet plan you will progress through, slowly becoming stricter with yourself so as to ease into it and prevent... Follow along and before you know it you will be enjoying the results!
High Carbs And No Cardio? Transform Your Body In Just 12 Weeks! Phase 2.
In part 2 of Alex Stewart's High Carb, No Cardio Dieting Alex continues his program by providing you with a sample diet, supplement, and work out plan to get you moving towards your goals. Check it out!
Frank Luciano Lost 74 Lbs And Made Fitness A Part Of His Life!
Frank was overweight and unhappy until he discovered the benefits of regular exercise and made a dramatic change to his lifestyle. See what motivated him!
How AÃ§ai Berries Are Good For You!
Acai is not a miracle weight loss supplement and it will not help you burn fat. However, it is a healthy berry that's loaded with antioxidants. Find out how this berry really can help you.
Are Carbs Wrecking Your Body? Yes, Says One Well-Known Science Writer
Gary Taubes may go against the usual nutrition grain, but he has the argument to back it up.
8 Muscle-Building Diet Essentials!
What you take in can make or break your gains when it comes to true muscle growth. Here are 8 muscle-builders that you should know about.
6 Fun And Effective Fat-Burning Workouts
These 6 unique and creative fat-blasting workouts will help shred you up and keep you lean all year long.