The Fitness Bloggers That Are Behind So Many Amazing Body Transformations

There are so many fitness bloggers taking over our social media feeds, but some stand out from the crowd more than others. These two healthy lifestyle enthusiasts—Karena and Katrina, founders of Tone It Up—fit into that category. They are genuinely excited about staying fit and eating healthy and their energy radiates, which is evident in their community of followers. Between workouts, recipe-making and holiday parties, they found time to chat with me about how they met and why their message is so important, as well as share some of their favorite tips to living a fabulous, healthy life.

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NewBeauty: How did you both meet and what inspired you to start Tone It Up?
Karena: I've had a passion for fitness since I was very young. I would watch my mom work out to Jane Fonda VHS tapes in the living room and dream of doing that one day. I also ran my first half marathon at 12 years old. Life happened and fitness was not in the forefront for many years, but as an adult I got into triathlons and the fitness buzz got ignited again! Katrina and I met at the gym! I was coming in a lot to train for a race and an upcoming shoot and she was a trainer there.
Katrina: I grew up a heavy kid and I decided to make a change. When I was a teenager, I started working out and getting an interest in reading books on health and fitness. Now I have a degree in health science! Getting healthy really impacted both of our lives, so we wanted to share our knowledge and also create a community of women that would support each other through our journey to wellness.

NB: What is the Tone It Up program and how does it work?
Katrina: Tone It Up is a lifestyle! As a member, you get thousands of recipes to satisfy any craving you may have. We literally have healthy donutcake and cookie recipes. We also have challenges (like the upcoming Tone It Up Challenge starting January 1) to take your nutrition and fitness to the next level! 

NB: What is your number-one eating healthy tip during the holidays?
Karena: Always pregame your holiday party with a big green salad! It'll help keep you from snacking on unhealthy foods. We like to mix up 3 cups kale, 2 tbsp. walnuts, 1/4 cup cooked quinoa, 1 tbsp. apple cider vinegar, and 2 tsp. olive oil.
Katrina: We also like to bring a healthy option to holiday parties!  

NB: What is your workout style?
Katrina: We like to add in all different types of workouts to keep the body guessing. You'll definitely see high intensity interval training, fine toning, yoga, strength training, and cardio. The more variety, the better your body will respond and build sexy, lean muscle.

NB: How do you motivate your followers to stay focused in their routines and not give up?
Karena: By following the Tone It Up lifestyle ourselves! We believe that the biggest inspiration is to have an entire team by your side, backing you up. So during challenges, we follow the workouts and do the meal plans with the #TIUteam and share it on Instagram.

NB: How much of weight loss is diet and what how much is fitness?  
Katrina: We always say that abs are made with your Tone It Up workouts and revealed with your Tone It Up Nutrition Plan. You can't have one without the other when trying to increase your fitness. While working out, your body needs certain nutrients to build lean muscle and reveal your toned bod!

NB: What fitness trends can we expect to see in 2017?
Karena: Definitely social fitness. We strongly believe that meeting up with your girls and working out helps keep you accountable...and it's fun! It's how Kat and I stay accountable too!

NB: We know you have your Tone It Up Challenge coming up next month. How can our readers get involved, and can you give us a sneak peek of some of your favorite elements?
Katrina: We're SUPER excited! We have so many brand-new workouts and ridiculously tasty recipes that are going to blow you away. And it's so easy to start! Just sign up here and you automatically get a free starter pack with all the deets on everything you need to know!

NB: What type of results can someone expect from participating in the challenge?
Karena: Throughout the challenge you'll feel such an overwhelming amount of love and support from the entire #TIUteam, not to mention totally excited over the variety of meals and flavors you get (hellooo burrito bowls and chili!). By the end of it, you'll feel strong, confident, sexy and ready to take on the world!

Check out some of Tone It Up's amazing body transformations below.

Motivation to kick off your week Lean, Clean 'n Green on today... 💚 "The Tone It Up Nutrition Plan is a total game-changer! Before, I was stuck in a dangerous, vicious cycle of starving and bingeing in a desperate attempt to lose weight. Now, as a Nutrition Plan member, I have access to well organized, weekly plans that make meal planning and grocery shopping a breeze. The Nutrition Plan focuses on all the flavorful, clean, whole foods available for you to eat, rather than mandating all the things you shouldn’t eat. If you practice balance by making as many healthy choices as possible, there isn’t really anything that is 'off-limits.' I mean, what other nutrition program gives you recipes for donuts?!" 🍩🙌🏼 You are stunningggg Marissa!!!! So proud of you and your transformation story!! Plan your week out full of healthful, yummy foods just like @tiu_arrgeebee has on the #TIUnutritionplan at 🍽

A photo posted by Tone It Up (@toneitup) on

Wow saw this posted today and had to share... such a beautiful message to all of you!!!! 🙌🏼🙌🏼🙌🏼 "If you think you can't, you're wrong. Will it be hard? Yes. Will it be worth it. Hell yes! Will you be pushed to your limits some days ? Absolutely, but it's those days that you'll start to look differently at yourself. You'll start to see yourself stronger, braver, unstoppable. It's not about huge goals all the time, sometimes it's about waking up and managing to change one thing about your life that you always wanted to. It's about taking those small successes and building on them until you turn around one day and realize they added up in a BIG way. Find the things you need and want in your life and chase them. Even if you don't believe you can yet, do it anyway. I promise you will become it. And it'll be SO WORTH IT 💗💗💪🏽" Spoken from a true beauty inside and out, our girl Cait!! 🎉 This babe changed her life on the #TIUnutritionplan and the support of this incredible, loving community of women. Join @tiuapple29 on the #TIUplan at and become a member of the @ToneItUp Community of incredible women 🙌🏼👯

A photo posted by Tone It Up (@toneitup) on

"The #TIUnutritionplan did not just contribute to my success, it is the key to my success. For years, I yo-yoed between countless diets and fads, and was completely lost nutritionally. The @ToneItUp NUTRITION PLAN provided me with the foundation I needed to not only look, but feel, my best. The #TIUplan educated me on what was needed to fuel my body - and, most importantly, why it was needed. Right here, right now, is truly the happiest and healthiest I have ever been in my life, and I owe that to a little bit of sweat, a little bit of determination, and a whole lot of support from Tone It Up." 💕 Our girl Alex is such a BABE!!!! We have a complete girl crush on her and love her colorful, STRONG, and sweaty checkins!! Join the #TIUnutritionplan with @tiu_albabe at to feel your absolute best from the inside out!! 🙌🏼✨🍴🎉

A photo posted by Tone It Up (@toneitup) on

"It feels great when your hard work finally starts to pay off and you notice a difference in your body. Before and after photos are HUGE! They help you really see the side by side progress and all of the wonderful accomplishments you have made to create a healthier, happier, more confident version of yourself. I owe it all to the amazing @ToneItUp program and the #TIUcommunity for all of the inspiration @KarenaKatrina" 💗 This complete BOMBSHELL Natasha knows whats up!!! Not only does she look phenom, but her smile is contagious!! Girl you look amazing and we are SO proud of you for having the courage to take before and after's! We know they can be scary but it shows how much hard work, sweat and dedication pays off!! 💕✨😽 Go for it just like @natashas_tiu_life and snap a before pic for accountability! Our greatest motivation is the #TIUplan at 🍴

A photo posted by Tone It Up (@toneitup) on

Get motivated with Jenny on today and join the NUTRITION PLAN through the live link in our bio 👉🏼 @ToneItUp 🍽😋 "The #TIUnutritionplan was EVERYTHING! Not only did it satisfy the obsessive planner in me, but it helped me organize a huge part of my life - my health! As cliché as it sounds, I really don't think I could've done it without it. I've always worked out, and used to spend hours at the gym, but with no results. Even when I was 'eating healthy' I wasn't being consistent and I wasn't fueling my body with the nutrients it needs. The nutrition plan changed the way I think about food and helped me learn how to eat with purpose. K&K have put SO much work into the plans and recipes and it shows. The recipes are so easy, creative, and DELICIOUS. Becoming a TIU member, and getting the nutrition plan was one of the best decisions I've ever made." 💚 Our gal @zhenni_tiu has us FLOORED with her consistent checkins, crazy ABS, what inspired her to make a change in her life, and so much more!! So proud of you!!! Xxo K&K #TIUtransformation #TIUplan #TIUteam

A photo posted by Tone It Up (@toneitup) on