21 Day Fix is a great solution for losing weight. But when I absolutely, positively need to get super-lean and defined in the shortest time possible…
21 Day Fix EXTREME is the way I do it.†
If you're anything like me—no matter what workout you're doing—at some point you want to quit messing around. You're tired of talking about getting shredded…and you just want to do it.
Give me 21 days. Give me all the guts, intensity, and drive you've got, and I WILL help you get that hardbody you've always wanted.
The six-pack. The cut arms. The ripped shoulders and ultra-toned legs.
21 Day Fix EXTREME is only 3 weeks. But when you show up at my party…you'd better be ready to get serious if you want serious results like these…
Crystal S. / Age: 28
"I've not been pushed this hard, felt this good in my skin in I don't know how long. It's not about the number on the scale. It's about the strength and confidence I've gained."
Adam C. / Age: 31
Former Army Green Beret
"I feel lean, I feel great. I have friends and family telling me they haven't seen me look this good in years…"
This is the EXACT program I use to get ready for a competition or photo shoot. When I have zero room for error. When I have to look 100% shredded—no do-overs, no excuses. It works for me EVERY TIME. Just like it will work for you.
The workouts are short, but they're extreme. The eating plan is simple, but there's no room for treats or cheating. It's a serious 21 days. But stick with it, and you'll walk away with serious results.
I recommend it for anybody who wants an extreme body transformation in 21 days. Maybe you've already done 21 Day Fix and you want to kick the intensity up a notch. Maybe you've done other extreme programs and want to add a portion control component. Or maybe you have an event coming up and just have no time to waste.
Leslie D. / Age: 33 / Lost 4 LBS†
"21 Day Fix EXTREME is unique because you get the best of both worlds, a combination of extreme fitness and nutrition and it's only 21 days. You get results quickly."
Robert G. / Age: 41 / Lost 10 LBS†
"21 Day Fix EXTREME is no joke. It's for individuals who are serious about getting results."
“21 Day Fix EXTREME is NOT for everyone. But if you want to get shredded and defined—and you're willing to give it everything you've got for 21 days—I WILL get you there. That's a promise.
You want a lean six‑pack, cut arms, ripped shoulders, and toned legs in only 21 days?† Then it's time to seriously ramp up the calorie‑scorching, muscle‑carving intensity with these 30‑minute extreme workouts. You'll be doing steady‑state aerobics, resistance training, and explosive power moves to target every inch of your body—
so in 21 days, you look amazing from
every point of view.
An explosive lower-body workout that uses jumping and resistance to torch calories and sculpt muscles.
By alternating opposing muscle groups, this no-rest upper-body workout will help shred your chest, back, shoulders, and arms.
Using a resistance band for every exercise, this intense mat workout works the entire body, placing emphasis on the core.
Glutes, quads, hamstrings, and calves will get stronger, leaner, and more defined with challenging resistance work.
Combining weighted cardio moves with traditional metabolic training intervals keeps your heart rate soaring.
A fast-paced flow yoga class, combining strength, balance, flexibility, and power.
I want to take all the guesswork out of getting a hardbody. These seven color-coded containers and Shakeology® shaker cup deliver exactly the right portions every time, so you never eat too much or too little.
But keep in mind, you’ll be eating clean. No cheats, no treats, no excuses. It’s not easy. But after 21 days, you’re going to look and feel amazing.
21 Day Fix Extreme
Start Here Guide
I'm with you all the way. This quickstart guide and workout calendar puts you on the fast track to getting lean and shredded from Day One!
Simple portion control. Clean eating. No guesswork. I’ve provided everything for you, so all you have to do is follow the plan…and eat. This FREE guide is packed with meal plans, proven recipes, and easy-to-make shakes that help burn fat and carve lean muscle at lightning speed.
Here’s what I do when a big competition or photo shoot comes up. I turn to my own secret meal plan to quickly shed fat and lean out every inch of my body. When you HAVE TO look great—and have only 21 days to do it—this is the plan you want.
This is one of my personal favorites! It’s a down and dirty workout featuring seven compound moves that target multiple muscle groups simultaneously, to help you develop integrated strength and incredible definition.
FREE access to 21 Day Fix EXTREME's premium online program. Enjoy world-class support, invaluable fitness and nutrition tips, and even live chats with yours truly!
Because you can get the entire 21 Day Fix EXTREME program for only 3 monthly payments of $19.95 (+s&h)!
Still not sure if it'll work for you? Let me make it even simpler. I’m going to let you try the entire program—the full 21 days—and if you don't get the results you want, simply send it back within 30 days for a full refund of the purchase price (less s&h). Think about that. You don't have to wonder if 21 Day Fix EXTREME is going to work. You get to finish the program and then decide if you want to keep it. That's how convinced I am that you're going to love your results. In fact, I think it'll be the last weight-loss program you'll ever buy. So go ahead and try it for yourself.
Struggling to get into amazing shape? That's over. It's time to turn heads. Impress at your next event. Take your body from beach-ready to beach-WOW. It's time to get serious.
I'm not going to kid you. 21 Day Fix EXTREME will challenge you. But I'm going to get you through it. I want you to start in your comfort zone.
Every exercise has a modifier,
so you can stick with me and you'll still be challenged and you'll STILL get shredded.
Dial it in. Get focused. It will be worth it."
Follow the simple program for 21 days, then send in your "before" and "after" pictures and I'll send you this FREE 21 Day Fix EXTREME shirt. Learn more.
Autumn Calabrese is a celebrity fitness trainer, busy mom, and national‑level bikini competitor. As creator of 21 Day Fix®—the best‑selling Sisgis® fitness program of 2014—this rising star in the fitness community has made a name for herself by helping people lose weight and get the bodies they've always wanted through simple portion control and working out consistently.
Autumn holds personal training certificates from the National Academy of Sports Medicine (NASM) and the American Fitness Professionals & Associates (AFPA). Her supportive, motivating style has made her a highly sought‑after expert among celebrities and the fitness industry.
Building on a foundation of good food choices and exercise habits, Autumn empowers her clients to reach their goals in a healthy, sustainable way. And as a busy working mother, she understands the importance of short but effective workouts and simple nutrition.
In addition to her celebrity clientele, Autumn is the fitness specialist for ModernMom.com. She has been featured on the cover of Oxygen magazine, and her workouts have been featured in C magazine, LA Parent, The Palisadian‑Post, and Daily Candy, as well as on TV shows like Home & Family.
With a passionate, entrepreneurial spirit, Autumn is the perfect addition to the Sisgis family of trainers.