Weight Loss for Women - best diet for perimenopause

Summary

The presenter argues that weight change is influenced not only by calorie intake but also by hormones, which affect appetite and whether the body stores or uses energy. The video focuses on how hormonal changes around perimenopause and menopause may affect weight, fat distribution, and cardiovascular risk.

Main ideas

• Hormones influence appetite and energy storage. The presenter says food provides both calories and signals that affect how the body uses those calories. He argues that a simple “calories in, calories out” explanation does not account for hormonal effects.
• Sex hormones are linked to differences in body composition. The video describes how fat distribution changes with puberty: girls tend to gain more subcutaneous fat around the hips and breasts, while boys tend to gain more muscle. The presenter also says premenopausal women generally have less visceral fat than men of the same age.
• The menstrual cycle can affect appetite. According to the presenter, estrogen tends to suppress appetite, while progesterone may increase it after ovulation. He cites subtitle estimates of roughly 1,600–1,800 calories a day in the follicular phase and over 2,100 in later phases—a difference of about 500 calories.
• Perimenopause and menopause can change weight and fat distribution. The presenter attributes increased appetite and weight gain during this period partly to declining estrogen. He also says fat may shift from subcutaneous areas toward the abdomen as visceral fat, which he associates with higher cardiovascular risk.
• The presenter favors a “low-insulin” dietary approach. He distinguishes this from simply eating low-carb, saying that food processing and other characteristics of foods can also affect insulin response.
• A large observational study is presented as support. The video describes a prospective cohort of about 38,000 women followed for 12 years, with dietary surveys every four years. Several dietary patterns were compared. The presenter says a lower score on the Empirical Dietary Index for Hyperinsulinemia (EDI) was most associated with weight loss, while a plant-focused diet that included fish was associated with a lower likelihood of obesity. These are reported associations, not proof that a diet caused the outcomes.
• The foods associated with obesity in the study were mixed. The presenter points to refined grains, potatoes, and other starchy foods, as well as several animal-protein foods. He notes that the study used BMI, which does not distinguish fat from muscle.
• Protein intake is presented as a trade-off. The presenter cautions that reducing protein too much may contribute to loss of muscle mass (sarcopenia), particularly in older adults. He cites a review associating lower protein intake with lower muscle mass and argues that protein supports muscle, bones, tendons, and connective tissue. He also claims animal protein is more digestible and contains more branched-chain amino acids than plant protein; these claims are presented in the video and are not independently assessed here.
• A clinic program is cited for cardiovascular and diabetes outcomes. The presenter describes 90 people who followed a therapeutic ketogenic program for a year. He reports that 13 of 23 participants with diabetes reached remission and that estimated 10-year cardiovascular risk fell by 28%, while estimated 30-year risk fell by 24%. These were risk estimates, not counts of cardiovascular events, and the subtitles do not describe this as a randomized trial.

Practical suggestions given in the video

For women concerned about postmenopausal weight gain, the presenter recommends:

• Considering reduced carbohydrate intake, especially foods he identifies as refined or highly starchy.
• Looking into intermittent fasting.
• Choosing an eating pattern intended to lower insulin levels.
• Avoiding such a large reduction in protein that muscle maintenance becomes a concern.

The video does not provide individualized medical advice. It notes that hormone replacement therapy is controversial and outside the scope of the discussion, and distinguishes the large observational study from stronger evidence, such as randomized controlled trials.

Speakers and sources featured

• Speaker: The video’s presenter, apparently Jason Fung; no other speaking participants appear in the subtitles.
• Research and sources mentioned by the presenter:
  • A 12-year prospective cohort study of about 38,000 women, described as published in the Journal of the American Medical Association (JAMA).
  • The Empirical Dietary Index for Hyperinsulinemia (EDI).
  • The EAT-Lancet Commission report and its Planetary Health Diet.
  • A systematic review and meta-analysis titled Protein Intake and Sarcopenia in Older Adults.
  • A one-year ketogenic program at Dr. Collegian’s Toward Health clinic, involving 90 people.
  • The American Heart Association’s cardiovascular risk calculator.
  • The Hunger Code, referenced by the presenter.