In this jam-packed episode, Sam McKenzie a performance nutritionist and founder of Science to Health joins us to unpack the real science behind nutrition, health trends, and working with elite athletes.
Whether you're a coach, athlete, weekend warrior, or someone sick of misinformation online, this episode
is an eye-opener.
We get into the real-world practices vs theory, and Sam pulls no punches on pseudoscience, poor supplement advice, and the TRT craze sweeping through social media.
Expect to leave with a more critical lens, clear strategies, and a much better understanding of how to optimise your body safely.
Topics We Covered:
* Why Sam refuses to niche down and why that’s worked for him
* How he broke into working with elite athletes (and the DMs that started it all)
* The shocking truth about weight cuts in combat sports
* Why most “scientific advice” passed down in sport is wildly outdated
* Dangerous trends in fitness culture: laxatives, dehydration, and sauna abuse
* Why detoxes, alkaline water, and supplement stacks are a scam for most people
* TRT and testosterone myths: when it is needed… and when it’s a disaster
* The dark side of overtraining—and how social media fuels it
* Recovery myths vs reality (spoiler: compression boots aren’t the answer)
* How Sam balances science with empathy in his client work
* When more isn’t better, and why your stress might be your biggest health block
🧠 Final Five Questions:
1. Most Recommended Resource:
My Sport Science Academy
MNU Certification by Martin MacDonald
2. Go-to Coffee Order:
Caramel cappuccino (yes, even the nutritionist treats himself)
3. Social Platform to Kill Off:
Instagram — or at least regulate the misinformation
4. Dream Dinner Party Guests:
Gary Brecka (for a challenging conversation)
Paul Smith (comedian)
Danny Lennon (nutrition educator)
5. #1 Piece of Advice for Aspiring Coaches:
“Slow down. Do quality work. Stop chasing shortcuts—build something real.”
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Catch you on the next one.
