
PEAK40
Midlife is hectic, stressful and demanding. Weight gain, fatigue, joint pain and the like creep up on you in midlife, and before you know it, you’re struggling everyday to feel your best and battling just to live pain free.
The challenge is that lack of sleep, high stress, and general lack of time leaves you stuck in neutral (or what feels like reverse!). But, it doesn’t have to be this way.
Midlife is also the time in your life with the greatest opportunity for growth. PEAK40 is all about living your best life in midlife. It’s about conquering your performance goals and health challenges in your mid-30s, 40s, 50s and beyond rather than settling.
Small changes, done consistently over time, yield incredible results. PEAK40 is your roadmap on the journey to better health, a better body, and your best performance in mid-life.
PEAK40 is about making midlife, your best life!
Latest episodes

Jun 26, 2021 • 31min
S1E9: Mindset Roadblocks - Guilt, Shame & Lack of Confidence
In episode 9, Dr. Marc Bubbs discusses how lack of confidence (or too much), and emotions like guilt and shame sabotage your ability to trust the process and ultimately achieve your goals.
>> Looking for a deeper dive? My new book PEAK40 is available now.
>> Looking for support? Check out PEAK40 Nutrition Coaching for Men and Women.

Jun 18, 2021 • 26min
S1E8: Building Your Best Diet: Start with Protein
Protein experts Dr. Theo Ispolgou and Dr. Rob Morton, along with renowned sport dietitian Dr. Susan Kleiner, discuss the importance of protein in building a healthy diet. They explore topics such as optimizing protein intake for muscle health, the role of protein in nutrition and weight loss, the effects of protein supplementation on muscle mass and strength, and understanding the efficacy of protein supplementation.

Jun 11, 2021 • 23min
S1E7: Coffee and Caffeine: The Good, the Bad & the Ugly
In episode 7, Dr. Marc Bubbs discusses the health benefits, and pitfalls, of coffee (and caffeine) intake. If you're wondering how to determine your coffee/caffeine dose, and whether coffee is 'good' for you, don't miss this episode!
>> Looking for a deeper dive?
Check out the PEAK40 book!

Jun 3, 2021 • 22min
S1E6: Strength Training: Why You Need a Different Approach in Midlife
In episode 6, Dr. Marc Bubbs dives into the benefits of strength training for your mental, physical and overall health. Marc shares clips from experts Dr. Brad Schoenfeld, PhD and renowned strength coach Mike Robertson MS, CSCS to talk about why you need to train differently in midlife, the minimum you can do to still get significant results, how using lighter loads can save your joints and still lead to great strength gains, and once again, how patience and mindset are two keys to long-term success.
>> Looking for a deeper dive? My new book PEAK40 is available now.
>> Looking for support? Check out PEAK40 Nutrition Coaching for Men and Women.

May 29, 2021 • 23min
S1E5: The 3 Key Areas of Sleep (And Pitfalls of Neglecting Them)
Dr. Marc Bubbs discusses the negative effects of lack of sleep on energy, mood, libido, and recovery. Expert sleep researchers highlight the impact of sleep deprivation on mental and physical performance. The podcast explores the stages of sleep, the consequences of sleep loss on cognitive function, and the dangers of relying on catch-up sleep. It emphasizes the three key areas of sleep: duration, quality, and timing.

May 24, 2021 • 24min
S1E4: How To Start Conquering Your Cravings?
In episode 4, Dr. Marc Bubbs explores a fundamental roadblock to successful long-term weight loss... cravings! Marc shares clips from neuroscientist Stephan Guyenet, PhD to highlight the role of the brain in cravings, how the neurotransmitter dopamine drives 'reward' and can leave you stuck in poor dietary patterns, and how food variety might not be your best bet when trying to keep cravings in check. Marc shares strategies to start reducing your cravings to support energy, weight loss, and better health.
>> Looking for a deeper dive? My new book PEAK40 is available now.
>> Looking for support? Check out PEAK40 Nutrition Coaching for Men and Women.

May 20, 2021 • 21min
S1E3: Time-Efficient Training: Where to Start?
In episode 3, Dr. Marc Bubbs talks time-efficient aerobic training and how to integrate HIIT into your routine. Marc shares clips from Dr. Martin Gibala, PhD, world-leader in HIIT research, and Zach Bitter, the world-record holder in the 100 mile ultra-marathon. Regardless if you're trying to get back into exercise, or wondering how to make a bigger impact with your shorter sessions, this episode lays the foundation for you!
>> Looking for a deeper dive? My new book PEAK40 is available now.
>> Looking for support? Check out PEAK40 Nutrition Coaching for Men and Women.

May 17, 2021 • 30min
S1E2: Why Are You Not Achieving Your Goals?
Neuroscientist Dr. Tara Swart and mental performance coach Dr. Peter Jensen discuss the importance of mindset and emotions in achieving goals. They explore topics such as neuroplasticity, mastering emotions, and developing metacognition. The podcast highlights the role of mindfulness, journaling, and reflection in aligning with goals and emotions.

May 12, 2021 • 24min
S1E1: Start with Breakfast: Eating vs. Fasting?
Midlife is busy, stressful and demanding. With all the noise online in the nutrition, exercise, and lifestyle space it's difficult to make sense of the information overload.
In the first episode of the PEAK40 podcast, Dr. Marc Bubbs shares with listeners the origin story of PEAK40, before diving into the new science of breakfast. How does eating, versus fasting, at breakfast impact weight loss and movement through the day?
>> Check out the PEAK40 book.
>> Looking for support? PEAK40 Nutrition Coaching for Men & Women.