Google reviewers rate Key Nutrition 4.9 out of 5 based on 136 reviews, with the owner responding to 27 percent of comments. Clients frequently describe personalized coaching, accountability, and accessible communication for weight loss, strength training, and sustainable lifestyle changes. While many praise the supportive and knowledgeable approach, some low-star reviews criticize slow response times and difficulties reaching staff for scheduling or dietary adjustments.
Data from Google, last updated October 26, 2026.
Reviews from Google, shown as published (original wording, unedited).
Derek has been wonderful to work with! I’ve really been able to make sustainable lifestyle changes and feel better daily. This has changed my future health and view on taking care of myself. Thank you thank you!
Feeling stronger than ever! I’ve been working with my trainer, Derek, for almost a year now. I wasn’t a beginner when it came to weight training or nutrition, but I was struggling to fine-tune my program to actually lose weight and make real progress. I have been as high as 280 pounds and am now solidly in the 220s. I give full credit to my coach for keeping me accountable and optimizing my workouts. Huge thanks to both Brad and Derek for their constant inspiration and support! I'm not done yet. More to lose and look forward to continue working with them.
Derek is a joy to work with and cares deeply about his clients. I am 29 and was recently diagnosed with Endometriosis. I was exhausted all the time, and had no idea how to feel better. When I started working with Derek, he immediately started researching the best way to help me. He worked patiently with me while we tried to find the best plan forward, listened to what I needed, and has completely transformed my life. He will celebrate your wins and push you to overcome your losses. He is an absolute gem in this industry, and I highly recommend working with him and the Next Level team.
Thank you, Elizabeth for your review! We so appreciate you as a client. Let us know if you ever need anything else.
I joined Next Level Experience through a two month weight loss challenge. The onboarding process was straightforward and Cass helped make it all very easy. Once I was accepted into the program, I was assigned a coach. I was fortunate enough to get paired with Coach Derek. Derek was awesome through the whole challenge. Early on he got me started on a nutrition plan, as well as a new workout schedule. Anytime I had a question, he was a quick text away, and he always responded. The core principles around NLE fitness coaching aren’t revolutionary (calorie deficit, lift weights, move more, drink water), but that doesn’t mean they are easy to follow. Derek made it clear what was needed to be successful and stuck with me the whole way. Some days, I think he might have been more invested in my success than I was…which meant a lot. If you’re looking for a way to jump start your overall health journey and get some accountability along the way, I recommend that you take a look at NLE. And don’t forget to ask for my man, Derek.
I have worked with coach Nick for the last 6 months. I admit I was skeptical that he could help me. I am in my 60's and have had joint replacements and had become sedentary and extremely overweight. I even worried he would try to go all out extreme diet and exercise program with me. I was so surprised and pleased that Nick met me where I was. We started slow and made steady progress. When we first met I was using a service to deliver fast food because it hurt too much to stand and cook a meal. Within 3 months I had deleted the delivery service and was making my own meals without any pain! And bonus I was able to attend a hockey game with my co-workers and went up and down the stairs without needing to stop and catch my breath. Win! Nick and I implemented basic building blocks of improving my diet and adding excercise gently. He is always positive and willing to brainstorm ideas to meet the challenges I face with limited mobility. He is very knowledgeable and always has excellent suggestions. If you get a chance to work with him, take that chance. You won't regret it.
Mandy is absolutely the best coach that I have ever had! She pushes you, but also understands what you're going through as she’s been there. She is compassionate, loving but will also call you out. I call her my coach but also consider her a friend as I can lean on her when i need to. ❤️❤️❤️
Mandy is an amazing coach. She is very attentive and goes out of her way to ensure all of her clients receive a peronalized coaching experience.
I’ve been working with Mandy for about a month and I’m already impressed with the support and guidance she gives me. She holds me accountable in a way that is both encouraging and firm. Our weekly meetings are helpful for reviewing progress and making adjustments. Mandy is always available to answer my questions and make suggestions. I appreciate her knowledge and would highly recommend her as a coach.
Mandy isn’t just your coach but your friend. She’s completely invested in your success. She encourages in a positive way and somehow makes it look inviting to push yourself outside of your comfort zone. I’ve seen amazing results, thanks to her coaching, and haven’t felt like I’ve had to make huge life changes. She has helped me see that I can enjoy a healthy lifestyle! Thank you, Mandy!!
Nick Krantz takes a very personable approach to coaching! He is absolutely wonderful! He is real, he cares, he is knowledgeable! Great experience!
Thank you so much for the review, Tiffany! We are so glad you’re having such a great experience :)