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Flex Diet Podcast

Flex Diet Podcast

By: Dr. Mike T Nelson
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Dr. Mike T Nelson gets geeky with the latest research and scientific findings in the fitness world. Visit www.flexdiet.com to get Flex Diet Certified and www.miketnelson.com for more geeky goodness.2020 - 2022 Extreme Human Performance, LLC Biological Sciences Exercise & Fitness Fitness, Diet & Nutrition Hygiene & Healthy Living Science
Episodes
  • Building a Fitness Empire: Business Lessons, Zone 2 & Recovery Trends with Don Saladino — #403
    Sep 8 2026

    Don Saladino is a New York-based coach and health entrepreneur who has trained A-list clients like Ryan Reynolds, Hugh Jackman, and Blake Lively since founding Drive495 in 2005.

    Don Saladino has spent nearly three decades training A-list stars like Ryan Reynolds and Hugh Jackman — and in this episode, he shares the single business lesson he wishes he’d learned sooner. He and Dr. Mike also dig into why Don closed his $2M-overhead NYC gym, how tracking respiratory rate reshaped his approach to Zone 2 training, and the sobering personal loss that changed how he views performance enhancers.

    Expect to learn why Don stopped over-certifying and started looking at what’s leaking in his business, how he built 17 years of trust with a client like Ryan Reynolds, the real financial toll of running a NYC gym (think $1M rent and $2M overhead), what tracking respiratory rate taught him about Zone 2 training volume, his honest take on performance enhancers at 49 (natural), and the personal loss that reshaped how he views unsupervised PED use, and much more.

    Connect with Don:

    • Website
    • Instagram
    • YouTube

    Episodes you'll enjoy next:

    • #402 — VO2 Max, Zone 2 Training & the Psychology of Human Performance — Ben Skutnik: Listen here
    • #397 — How Elite Bodybuilders Think About Problem-Solving, Business and Nutrition with Coach Cliff Wilson: Listen here

    Episode Timestamps:

    • 2:26 — #1 Business Lesson: Stop Over-Certifying, Start Looking at What’s Leaking
    • 5:43 — “Content Is King, Distribution Is the Kingdom”
    • 8:35 — Take Risks Early: Betting on Yourself Before Responsibilities Pile Up
    • 10:58 — Learning Business Over Breakfast: The NYC Advantage
    • 12:01 — The Art of Adding Value Without an Agenda
    • 13:32 — Working With Ryan Reynolds for 17 Years: Trust, Humility & Knowing You’re Replaceable
    • 21:12 — What It Really Takes to Work With High-Profile Clients
    • 26:26 — Actors vs. Athletes: Which Is Harder to Train?
    • 28:39 — Performance Enhancers: Don’s Honest Take at 49, Natural
    • 36:31 — Tracking Respiratory Rate & Rethinking Zone 2 Volume
    • 38:37 — Closing the NYC Gym & Pivoting to Digital
    • 43:35 — The Real Cost of Running a NYC Gym: $1M Rent, $2M Overhead
    • 44:32 — Business Lessons You Can’t Learn at Harvard
    • 46:09 — The “Integrated Wellness” Facility Trend: Is Anyone Actually Getting It Right?
    • 1:05:26 — The Rise of Recovery Studios: New Happy Hour or Legit Wellness?
    • 1:08:44 — A Personal Loss & a Stark Warning on Unsupervised PED Use
    • 1:16:27 — Where to Find Don Saladino

    Get the Daily Fitness Insider newsletter (free): https://www.miketnelson.com/newsletter

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    1 hr and 21 mins
  • VO2 Max, Zone 2 Training & the Psychology of Human Performance — Ben Skutnik — #402
    Aug 31 2026

    Dr. Ben Skutnik, PhD, CSCS*D, NSCA-CPT*D, is an Assistant Professor of Kinesiology and Human Performance Lab Director at Butler University and Head of Nutrition Coaching at Power Athlete.

    Dr. Ben Skutnik joins the show to separate fact from fad in aerobic training, debunking zone 2 hype and explaining why VO2 max matters but isn't everything.

    Expect to learn why reading scientific literature is its own skill, how uncontrolled variables quietly derail hypertrophy and menstrual-cycle training research, why treating people as fragile backfires, why anecdote in human performance often outruns the research, how "closing the loop" with clients beats chasing mechanisms, what the Norwegian 4x4 method gets right (and what most zone 2 research gets wrong about training zones), and how to actually build VO2 max with the critical power model, and much more.

    Connect with Ben:

    • Power Athlete Coach Bio
    • LinkedIn
    • Google Scholar

    Episodes you'll enjoy next:

    • #400 — Build Aerobic Fitness Before Mitochondrial Peptides: AMPK, VO2 Max & Recovery — Dr. Dwayne Jackson: Listen here
    • #374 — Zone 2 Cardio: What the Science Really Says (Pros, Cons & Better Options) with Kristi Storoschuk: Listen here

    Episode Timestamps:

    • 1:46 — Why Ben was recommended for this conversation on cardiovascular and aerobic programming
    • 7:31 — Reading scientific literature is a skill set of its own
    • 14:05 — Hypertrophy training to failure and uncontrolled variables in research
    • 16:27 — Debunking myths about training around the menstrual cycle
    • 18:20 — Human resilience and the danger of treating people as fragile
    • 22:09 — Why consistency beats trying to "hack" optimization
    • 22:40 — Nutrition fear-mongering and overly restrictive diets
    • 27:25 — Changing one variable at a time vs. the "kitchen sink" approach
    • 29:55 — Why anecdotal evidence in human performance is often ahead of the research
    • 34:48 — The ethics of placebo and "closing the loop" with clients
    • 37:34 — The psychology of performance: the NFL kicker example
    • 43:13 — The Norwegian 4x4 method and zone 2 training myths
    • 46:40 — Why most zone 2 research relies on the wrong zone model
    • 52:53 — HYROX, CrossFit, and Goodhart's Law in training
    • 1:05:18 — Is VO2 max overrated? Performance vs. health tradeoffs
    • 1:15:25 — Building VO2 max: interval protocols and the critical power model
    • 1:26:02 — Life-changing results: taking deconditioned clients from VO2 max 18 to 35
    • 1:30:09 — Where to find Ben Skutnik and his work at Butler University and Power Athlete

    Get the Daily Fitness Insider newsletter (free): https://www.miketnelson.com/newsletter

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    1 hr and 37 mins
  • Psychedelics, Neuroplasticity and the Military-to-Spiritual Journey with Rick Alexander — #401
    Aug 24 2026

    Rick Alexander is a depth-psychological counselor, psychedelic practitioner, and interfaith spiritual care provider currently completing his Ph.D. in Mythology/Depth Psychology and a former Naval Special Operations combat medic.

    Rick was a Special Operations combat medic until a single psychedelic experience shattered his worldview and sent him back to school to study psychedelic spiritual care. He and Dr. Mike dig into neuroplasticity windows, why “good trip/bad trip” is the wrong question, and what may really be happening in DMT space.

    Expect to learn how a rough teenage salvia trip and a later psilocybin experience redirected Rick's entire career, what life is really like as a Special Operations Combat Medic supporting SEALs and Green Berets, why military training narrows emotional range and makes civilian re-entry so hard, how integration (not the trip itself) determines whether a psychedelic experience heals or destabilizes you, what the "third wave" of psychedelic science gets right that the DSM's "hallucinogen" label gets wrong, whether neuroplastic windows could help athletes learn skills faster, and what a brutal 5-MeO-DMT experience taught Rick about his own running form and breathing.

    Connect with Rick:

    • Website
    • Instagram

    Episodes you'll enjoy next:

    • #47 — Tools to Down-Regulate in Response to Stress (an earlier conversation with Rick Alexander): Listen here
    • #194 — The Pros and Cons of Psychedelic Compounds with Psychedelic Researcher Rebekah Senanayake: Listen here

    Episode Timestamps:

    • 2:49 – Rick's PhD progress and the psychedelic experience that redirected his career
    • 3:38 – A rough first psychedelic experience with salvia at 18
    • 4:46 – The psilocybin experience that "peeled back" his worldview
    • 7:00 – Life as a Special Operations Combat Medic supporting SEALs and Green Berets
    • 8:23 – How military training narrows emotional range and worldview
    • 10:01 – Why veterans struggle to re-enter civilian life after specialized training
    • 13:34 – The double-edged sword: psychedelics can destabilize as easily as they heal
    • 14:32 – The "third wave" of psychedelic science and the flawed DSM "hallucinogen" label
    • 23:49 – Integration: do you have time to process what comes up?
    • 24:43 – "Psychedelic myth-making" and building a new personal mythology
    • 31:05 – Could neuroplastic windows help athletes learn skills faster?
    • 37:01 – Yogic energy channels (nadis) and psychedelics amplifying subtle perception
    • 39:17 – How a brutal 5-MeO-DMT trip changed Rick's running form and breathing
    • 56:16 – What's really happening in DMT space: Strassman, Gallimore, and "reality switch technologies"
    • 59:43 – Henri Corbin's "psycho-cosmology": consciousness and reality as mirrored levels
    • 1:06:45 – "Functional consequentialism": why you shouldn't dismiss someone else's experience
    • 1:10:46 – Where to find Rick and his counseling and breathwork work

    Get the Daily Fitness Insider newsletter (free): https://www.miketnelson.com/newsletter

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    1 hr and 15 mins
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