The mighty VO2 max
What VO2 max is, what moves it, and why it's one of the best single markers of how long you'll stay well. Donny explains how he used it with NRL players to manage peaks and spot exhaustion, plus the typical ranges by age.
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Old Bull Health podcastS
Short, Sharp & Fit
Jem and Donny on the things men over 50 actually need to sort out. Muscle mass, sleep, stress, waistlines and healthspan. Roughly twenty minutes per episode. Humour included, lectures not.
- 60+EPISODES
- 2SEASONS
- ~20MINUTES EACH
- 0LECTURES
POPULAR
Start with these.
A full session on why aging is hard to act on, and what to do about it anyway.
Newest episode
Aging, healthspan, and the attention allocation paradox
Around 50, recovery, muscle, energy and metabolism all change at once. Most men either ignore it or panic. Jem, author of Halftime, walks through the twelve hallmarks of aging, what healthspan actually means and how to measure it — and why the hardest part isn't knowing what to do; it's deciding what deserves your attention first.
FEATURED
Five that get the most replies.
Press play here. The other fifty-odd are all on Spotify.
I lost 15kg in 10 weeks — Part I
100+ kg down to 88.5kg. Jem's own account of what actually worked, which habits had to go, and how it felt along the way. Not a programme and not advice, just what one man did, told straight.
I lost 15kg in 10 weeks — Part II
The second half: keeping it off, what the scales don't tell you, and the bits nobody puts in the before-and-after photo. Ten minutes, which is about as long as this needs to be.
How to complete an Ironman
One sprint triathlon, four months of training, and a full Ironman from a standing start. Madness, motivation, planning, getting the family on side, and getting it done.
Nutrition problem. We don't eat a balanced diet.
Would you put junk in your fuel tank? Most of us don't get close to enough vegetables or fruit. Know which nutrients we are likely to be deficient in? Why? How elite athletes think about it all differently.
The other fifty-odd
Testosterone, sleep, fasting, stress, burnout, supplements, money worries, push-ups and a run at Navy SEAL sayings. Two full seasons, all free.
Where to listen
Wherever you already are.
Your hosts
One's done the research. One's coached the professionals.
Jem Bolt
Founder, Old Bull Health
Thirty years in senior corporate roles, then an Ironman from a standing start, then a book. Author of Halftime and From Zero to Ironman Triathlon, and a BioOptimise Practitioner. Brings the research, the consulting habit of asking what actually matters, and the lived experience of starting over at fifty.
Donny Singe
Performance & leadership coach
Thirty-two years coaching elite performance, twenty of them in the NRL with the Sea Eagles. Has seen what works on professional athletes and what translates to the rest of us, and is reliably the one who tells Jem when something sounds good but won't survive contact with a Tuesday.
Got something you want us to cover?
Topics, questions, complaints, praise. All welcome, and be careful, some of them end up as episodes.
Short, Sharp & Fit is sponsored by Old Bull Health. The podcast is general awareness and entertainment, not health advice. Speak to a health professional before starting or changing a diet or exercise programme.
Please Note:
From time to time, we may mention products during our podcasts. Over time, these products might be updated, discontinued or changed. We apologise if you cannot find an exact product referenced in a podcast, but a good place to start is always on our homepage.
Disclaimer: The information provided by Old Bull Health in our podcasts and on this article is for informational purposes and should not replace professional medical advice. Our content is not intended to be medical advice, diagnosis, or treatment, and thus reliance should not be placed on it. If you are experiencing symptoms, please consult a healthcare professional.