TThe Diary of a CEO
← All episodes
29 June 2026

Women’s Fitness Expert: What You NEED To Know About Dieting & Exercise

7Frameworks
15Insights

Frameworks in this episode

Insights & moments

The myth-busts, hot takes, explainers, and tools worth keeping.

Myth Buster· 5

Myth Buster14:00

Why Ab Exercises Cannot Select Where Fat Comes Off

Estima says belly fat cannot be reduced in isolation and that overall fat loss generally requires energy expenditure to exceed intake. She prefers helping many women increase daily movement rather than relying only on food restriction, while presenting that as her practical preference rather than a universal prescription.

  • Estima rejects targeted fat loss from one body area
  • She describes an energy deficit as lower intake, higher output, or both
  • She says prolonged restriction can become difficult as hunger rises
  • Walking and other movement can increase expenditure without more food tracking
  • Strength training supports muscle-building goals while fat loss is pursued

You can't actually spot reduce.

Dr. Stephanie Estima · 14:00

I personally find it easier for women, specifically, to do more on the calories out side.

Dr. Stephanie Estima · 15:30
#fat loss#calorie deficit#walking#strength training
Myth Buster20:00

Estima Treats Low-Carb Diets as a Tool, Not a Lifetime Rule

Estima argues that carbohydrate restriction can be useful temporarily for some people, including some with metabolic conditions, but should not automatically become permanent. She links chronic under-consumption or poor macronutrient balance with symptoms such as coldness, heavy bleeding, and hair shedding; these are her clinical claims in the episode, not diagnoses listeners should make from symptoms alone.

  • Estima supports temporary low-carb use for selected goals and populations
  • She rejects the inference that weight loss proves carbohydrates must be avoided forever
  • She says carbohydrates can support mood, sleep, and training performance
  • She attributes excess weight to overconsumption of total calories rather than carbohydrates alone
  • Symptoms she lists warrant proper assessment rather than podcast-based self-diagnosis

We have to heal our relationship with carbohydrates.

Dr. Stephanie Estima · 20:00

The problem is not that the carbs were the problem, it's the overconsumption of carbs.

Dr. Stephanie Estima · 24:00
#carbohydrates#low carb#thyroid#nutrition
Myth Buster24:30

Why Starting Strength Training Can Feel Like Bulking

Estima argues that most women will not accidentally develop a bodybuilder physique because their hormonal environment differs from men's and that level of muscle requires sustained training. She adds that new lifters can temporarily feel thicker because trained muscle is swollen while existing body fat remains above it; her specific claim that 97 to 98 percent of women cannot bulk is stated without a source in the transcript.

  • Estima distinguishes ordinary progressive training from competitive bodybuilding
  • She says women generally have much less testosterone than men
  • Early muscle swelling can be interpreted as unwanted bulk
  • Existing fat can initially sit over newly trained muscle
  • The episode does not substantiate the quoted 97 to 98 percent figure

Women are still scared that if they engage in a program of progressive overload

Dr. Stephanie Estima · 25:00

Some people when they do start lifting weights initially, they will start to feel a little thicker.

Dr. Stephanie Estima · 26:00
#strength training#muscle#women#bodybuilding
Myth Buster30:30

You Do Not Need a Protein Shake Within 15 Minutes

Estima rejects the idea that muscle gain depends on consuming protein within 15 or 30 minutes after training. She says total daily protein and calorie intake matter more because the muscle-building response continues well beyond the immediate post-workout period, though the exact 10-to-72-hour range she mentions varies by training status and is not sourced in the episode.

  • The immediate post-workout window is not the only period of muscle protein synthesis
  • Estima prioritizes sufficient protein across the day
  • She also emphasizes total energy intake over 24 hours
  • Pre-workout food can improve performance when it is practical and comfortable
  • Her own early schedule often leads her to eat after rather than before training

Your muscle protein synthesis is not just limited to the 15 or 30 minutes that are immediately after the workout.

Dr. Stephanie Estima · 31:00

As long as you are getting sufficient, again, total protein over the course of the day

Dr. Stephanie Estima · 31:00
#protein#workout nutrition#muscle#fueling
Myth Buster56:30

Why Estima Says a Workout Cortisol Spike Is Not Automatically Bad

Responding to a viewer comment about PCOS, Estima argues that temporary cortisol and glucose rises during exercise are normal parts of generating training effort. She says women with PCOS can benefit from muscle contraction, zone 2 cardio, and some high-intensity work, but the episode does not assess the commenter or establish that every exercise mode suits every person with PCOS.

  • Estima says cortisol is necessary and normally rises around waking and exercise
  • She distinguishes a predicted temporary response from chronic dysregulation
  • She describes PCOS as involving glucose-disposal and insulin-sensitivity problems
  • She says muscle contraction can help draw glucose into muscle
  • She supports both zone 2 and selected high-intensity training in principle
  • Tailored exercise should account for symptoms, conditioning, and clinical advice

I want to really caution women away from being scared of normal and predicted

Dr. Stephanie Estima · 58:30

Every time she's contracting her muscles, she's actually helping

Dr. Stephanie Estima · 59:30
#pcos#cortisol#insulin#cardio#strength training

Hot Take· 3

Hot Take26:30

Estima's Case Against Making Long Fasts a Routine

Estima says she once treated longer fasting and lower intake as the key to weight loss but now worries that frequent 20-hour to multi-day fasts can make adequate nutrition harder for women. She recommends a shorter overnight pattern in the example she gives, while her reproductive-signalling explanation is a health claim that should not replace individualized medical advice.

  • Estima defines long fasts as roughly 20 hours through multiple days
  • She says fasting does not teach food choices during the eating window
  • She argues that women can be sensitive to prolonged low nutrient availability
  • Her example stops food two to three hours before sleep and resumes after waking
  • She says a compressed window can make sufficient calories and macronutrients harder to consume

Fasting doesn't actually teach you how to eat when you are not fasting.

Dr. Stephanie Estima · 27:00

It becomes more difficult for you to get in sufficient calories, sufficient protein, sufficient carbohydrates, and fats.

Dr. Stephanie Estima · 29:00
#fasting#women's health#nutrition#menstrual cycle
Hot Take1:21:30

Why Estima Will Not Treat GLP-1s or Hormone Therapy as Easy Buttons

Estima says discussions of GLP-1 drugs and menopause hormone therapy often emphasize benefits while minimizing possible side effects. She argues that medication may help particular symptoms but cannot perform resistance training, prepare food, manage stress, or set boundaries, so treatment discussions should include both clinical trade-offs and lifestyle work.

  • Estima asks listeners to consider medication benefits and side effects together
  • She includes menopause hormone therapy in that trade-off discussion
  • She says hormone therapy may help sleep, mood, hot flashes, and night sweats
  • She rejects the idea that medication replaces training, nutrition, recovery, or stress management
  • The segment discusses principles rather than giving individualized prescribing advice

We often marry ourselves to what we feel the benefits might be and we will divorce ourselves from the possible side effects

Dr. Stephanie Estima · 1:22:00

It's not going to go to the gym and lift weights with you.

Dr. Stephanie Estima · 1:22:00
#glp-1#hormone therapy#menopause#lifestyle medicine
Hot Take1:24:30

Estima Loves Pilates—but Says It Is Not Enough by Itself

Estima says Pilates can support endurance, posture, pelvic-floor work, and enjoyment, but argues that it should not be confused with a complete muscle-, bone-, and connective-tissue programme. She recommends loading tendons through the eccentric phase of resistance exercises and combining Pilates with strength and impact work, while her prediction of later bone disease from Pilates alone is stronger than the transcript substantiates.

  • Estima personally does Pilates twice a week and values it
  • She distinguishes high-repetition muscular endurance from sufficient muscle-building load
  • She says tendons can be biased through stretching under load during eccentric exercise
  • She argues that bones, joints, tendons, and ligaments need progressive mechanical loading
  • Her own routine also includes resistance training, sprinting, and tennis
  • The episode does not prove that Pilates-only practice inevitably causes disease

So, stretching under load. Not just stretching.

Dr. Stephanie Estima · 1:25:30

Pilates isn't enough to build sufficient muscle mass.

Steven Bartlett · 1:26:00
#pilates#tendons#bone health#resistance training

Explainer· 2

Explainer38:00

Why Some Women Find a Wider, Toes-Out Squat More Comfortable

Estima uses pelvic shape and the Q angle to explain why some women may prefer a wider stance with the feet turned out rather than a narrow, toes-forward squat. She stresses individual variation and says inward knee movement is not automatically wrong if hip stabilizers can control it, while fatigue can increase injury risk.

  • Estima describes the female pelvis as generally wider and shallower
  • She says this changes femur alignment and can affect squats, lunges, running, and jumping
  • A wider, externally rotated stance can improve comfort and range for some women
  • She does not say every woman must squat differently from every man
  • Gluteal strength, especially the gluteus medius, helps control hip and knee motion

You have to play and see what feels good for you.

Dr. Stephanie Estima · 42:00

Most women prefer a little bit of a wider squat.

Dr. Stephanie Estima · 42:30
#squat#anatomy#knee#glutes
Explainer1:15:30

Why Postpartum Pelvic-Floor Work Is Not Just More Kegels

Estima explains the pelvic floor as a sling of muscles supporting pelvic organs and says pregnancy, hormonal changes, and birth can alter its ability to manage load. She recommends clearance from the clinician managing postpartum care and warns that Kegels may help a weak pelvic floor but can worsen symptoms when the problem is excessive tightness or difficulty relaxing.

  • The pelvic floor runs between the pubic bone and tailbone
  • Pregnancy and birth can change its strength and load tolerance
  • Estima advises clinical clearance before returning to exercise
  • She recommends a gradual rather than immediate return to heavy loading
  • Kegels suit some weak pelvic floors but not every pelvic-floor problem
  • A pelvic-floor physiotherapist can assess the specific issue

You have to obviously be working with your OBGYN or your midwife

Dr. Stephanie Estima · 1:17:30

Kegels can actually make things a little bit worse for you.

Dr. Stephanie Estima · 1:19:00
#postpartum#pelvic floor#kegels#physiotherapy

Story· 2

Story03:00

When Looking Fit Concealed Estima's Poor Health

Estima recounts preparing for a figure competition through heavy cardio and calorie restriction, reaching a very low body-fat level and losing her period. She says praise for her appearance arrived while she was hungry, underslept, and experiencing hormonal problems, which taught her not to treat thinness or outside approval as proof of health.

  • Estima frames the problem as pursuing thinness at the expense of health
  • She reports losing her period before the competition
  • She says weight regain and delayed cycle regulation followed
  • External compliments conflicted with how unwell she felt
  • Her broader message is to value muscle, bone, connective tissue, and recovery

I'm saying that the pursuit of skinny at all costs is a bad thing.

Dr. Stephanie Estima · 04:30

I was not the picture of health, but everybody was telling me how amazing I looked.

Dr. Stephanie Estima · 09:00
#body image#dieting#amenorrhea#recovery
Story1:28:00

Why Estima Stayed With Weight Training Beyond Appearance

Estima says appearance initially drew her to weight training, but the practice eventually changed how she handled patience, failure, and self-forgiveness. She describes strength work as a route back to inhabiting and valuing her body rather than punishing it.

  • Her original goal was to look better, build muscle, and lose fat
  • She says training taught patience rather than instant judgement
  • Failure in the gym became something to interpret and recover from
  • Her present relationship with her body contrasts with harsh self-talk in her twenties and thirties
  • The value she describes is psychological and personal, not a promised clinical outcome

I stayed with it because of um you know, it it provided me a way back home.

Dr. Stephanie Estima · 1:28:30

It taught me how to forgive myself when I felt like I had failed.

Dr. Stephanie Estima · 1:28:30
#self-compassion#weight training#body image#failure

Q&A· 1

Q&A49:00

What Estima Takes—and Which Claims Need Individual Advice

Estima walks through magnesium, omega-3, vitamin D, creatine, collagen, electrolytes, and vitamin C, giving personal doses and claimed benefits. She identifies herself as unusually interested in supplementation and discloses co-ownership of the ketone company discussed earlier; several broad recommendations and doses are asserted without personal contraindication checks or study detail, so they should not be read as universal prescriptions.

  • Estima says her supplement routine goes beyond what most people may need
  • She recommends magnesium glycinate for relaxation, sleep, and recovery
  • She discusses omega-3 refrigeration and daily vitamin D with K2
  • She pairs creatine with resistance training rather than presenting it as a replacement
  • She uses collagen for joints, tendons, and ligaments rather than as a primary muscle protein
  • Individual dosing, interactions, deficiencies, and medical context are not assessed in the episode

I am a special category of nerd.

Dr. Stephanie Estima · 49:00

You have to be pairing it with the mechanical signal of resistance training.

Dr. Stephanie Estima · 52:30
#supplements#creatine#collagen#vitamin d#magnesium

Takeaway· 2

Takeaway1:00:30

Estima Says Lost Capacity Is Not an Inevitable Part of Aging

Estima argues that people often stop sprinting, jumping, and squatting as they age, then mistake the resulting loss of capacity for aging itself. She cites an eight-week sprint study in older women with sizeable VO2-max and mitochondrial improvements, but the transcript provides no paper details with which to verify the reported figures.

  • Estima says untrained VO2 max and muscle capacity decline over time
  • She recommends retaining sprinting or machine-based high-intensity work when appropriate
  • She argues for continuing jumping and squatting rather than abandoning them solely because of age
  • Weighted jumping is presented as a later bone-loading option, not an entry point
  • The study percentages are guest-reported claims without a citation in the episode
  • Readiness, injury history, and medical context still constrain training choices

It's absolutely not a function of aging. It's just a loss of capacity.

Dr. Stephanie Estima · 1:01:30

You're not behind. You can totally do it now.

Dr. Stephanie Estima · 1:04:00
#aging#vo2 max#sprinting#bone health
Takeaway1:23:00

Estima Puts Sleep Above Every Other Recovery Tool

Asked for recovery protocols, Estima places sleep in the top tier and says it is especially challenging but important during perimenopause. She lists sauna and electrolytes as secondary, situational options rather than requirements, while making several physiological claims without citing studies in the episode.

  • Estima ranks sleep as the primary recovery priority
  • She links sleep with muscle growth and brain maintenance
  • She describes sauna as optional and calls it lazy cardio
  • Electrolyte replacement is framed around heavy sweating
  • She says midlife estrogen changes can affect salt regulation
  • The episode does not establish a universal sauna or electrolyte protocol

Sleep is the number one thing that everybody should be prioritizing.

Dr. Stephanie Estima · 1:23:00

Not necessary

Dr. Stephanie Estima · 1:23:30
#sleep#recovery#sauna#electrolytes#perimenopause