Training to Failure, Fasted Cardio, GLP-1s, and the Real Reason You’re Not Seeing Results

The Kim Constable Podcast

Kim Constable

Business, Entrepreneurship, Health & Fitness

4.9 • 743 Ratings

🗓️ 24 September 2025

⏱️ 55 minutes

🔗️ Recording | iTunes | RSS

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Summary

In this episode, Kim answers powerful questions around fat loss, muscle building, recovery, and mindset. She explains why training to failure is essential for muscle growth, what really happens during fasted cardio, and why your body chooses fat — not muscle — as an energy source when you're lifting consistently. She also shares her complete anti-aging skincare routine, breaks down the science behind metabolic vs mechanical stress, and explains why your heart rate might spike after taking GLP-1 medications like Ozempic. Whether you're following a Sculpted program, in Butt Camp 3.0, or simply working toward long-term body goals — this episode will shift your mindset and help you dial in your strategy for better, faster results. What you'll learn in this episode: – Why fasted cardio doesn’t cause muscle loss– How to preserve muscle while eating in a deficit– What it really means to train to failure– GLP-1 side effects: heart rate, recovery, and adjustment– The difference between metabolic and mechanical stress– Kim’s full facial aesthetic treatment and skincare routine– How to schedule rest days based on your goals– The importance of having a specific visual body goal– Why shortcuts don’t last — and the real secret to long-term transformation This one is part science, part strategy, and part real talk. Press play, take notes, and get ready to see your results take off.

Transcript

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0:00.0	And we are recording. So welcome everybody to this Q&A. Good to see you all. I don't have my full face of makeup on today because I actually took a break from recording. I was completely exhausted yesterday. I did three hours of recording and a Zoom call and a couple of quite late meetings. And by the time I got to bed last night, I was literally cross-eyed with tiredness. And so I decided today just to do some work on strategic work on the company, which
0:26.2	is great and not do any workouts. And I definitely feel like my body is thankful for the rest. So I'm
0:32.0	happy about that. Let me dive into the questions today. We have the first one from the lovely Leslie
0:37.3	Nelson. And Leslie says,
0:39.1	Hi Kim. I'm a long time follower of your work and I find your no no nonsense vegan bodybuilding so
0:44.5	inspirational. Well, thank you so much. I really appreciate it. Recently joined, recently joined the
0:48.7	Sculptive Menopause app and so I'm excited to keep learning from you. I'm hoping I can ask a question
0:52.7	about beauty. What do you use for
0:55.1	aesthetic treatments or procedures to keep your skin looking so youthful and beautiful? I have been lucky most of my life to have had a youthful look to my face. However, at 43, my age is catching up to me and I'm seeing deepening wrinkles and saggy skin. I'd love to know what you find works best to keep your skin looking so smooth, lifted and radiant. Thank you so much. Love listening to your Q&I podcast
1:14.2	replays every week.
1:15.2	I'm also getting ready for But Camp 3. Okay, love that. So this was left a week ago.
1:19.3	So obviously, Butcamp has started on OMG. I recorded a workout yesterday. And I just thought, let's super set everything and make this really
1:30.1	really hard. It completely destroyed me. So lucky for those of you doing Buckcamp, it's actually
1:36.3	in week four. So you've got a few weeks to build up strength. But yeah, I don't know why. I just thought
1:40.7	it would be good to add in heavy kettlebell swings as the third exercise after super setting different exercises on glutes. And yeah, really kettlebell swings? Who
1:51.3	knew? Oh my God. I did them with a dumbbell and I'm definitely a bit destroyed today after those.
1:56.5	So you have that to look forward to you. You're so leslie let's talk about skin i get asked
2:02.0	this all the time and it's it's kind of a combination of things so i am nearly 47 and i noticed
2:10.3	definitely whenever i hit my late 30s early 40s i did notice that my skin was starting to
2:17.0	sag a little and actually my eyes were beginning to
2:20.4	become quite hooded. And I just noticed that everything wasn't sitting the way it used to. And I went
2:26.0	to see my aesthetics nurse, Lisa, for a vitamin infusion. And she said to me, do you ever have
	...

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