This 2-Day Meal Plan Got Me to 9% Body Fat (here’s what I ate)

What happened in this episode?

In this monologue focused on fat loss optimization, the speaker details how he reached 9% body fat using a two-day-per-week protein-sparing modified fast (PSMF) protocol rather than sustained moderate caloric restriction. He explains that conventional moderate deficits typically fail around 12-14% body fat because the body adapts by downregulating metabolic rate, reducing leptin, and decreasing non-exercise activity thermogenesis. His solution involves five days of maintenance or slight deficit eating at high protein intake, followed by two days of extreme restriction consuming only 800-1000 calories from almost exclusively lean protein sources like chicken breast, egg whites, Greek yogurt, and whitefish, with negligible carbs and fat. The speaker cites a meta-analysis of 24 randomized controlled trials published in Obesity showing alternate-day fasting approaches outperformed traditional time-restricted eating for weight loss. He emphasizes that the original PSMF research from Harvard in the 1970s by Dr. George Blackburn established a minimum of 1.5 grams of protein per kilogram to preserve lean mass during severe deficits. The protocol works by emptying liver glycogen, dropping insulin to baseline, and forcing the body into deep fat oxidation while maintaining muscle through high protein intake. Critically, he recommends a carbohydrate refeed using Manuka honey the day after PSMF days to restore serotonin pathways and sleep quality. He presents data from an American Journal of Clinical Nutrition study where subjects consuming 2.4 grams of protein per kilogram actually gained muscle mass during a 40% caloric deficit, compared to those consuming half that amount. The speaker stresses that protein must remain high even on non-PSMF days at approximately one gram per pound of body weight, and that resistance training must continue during restriction days to signal the body to preserve muscle, though at lower intensity than normal training days.

What are the key points?

• Speaker achieved 9% body fat using two-day-per-week PSMF protocol consuming only 800-1000 calories from lean protein rather than sustained caloric deficits
• Meta-analysis of 24 randomized controlled trials in Obesity journal ranked alternate-day fasting as most effective fasting approach for weight loss
• American Journal of Clinical Nutrition study showed subjects gained lean muscle mass during 40% caloric deficit when consuming 2.4 grams protein per kilogram versus 1.2 grams
• Cleveland Clinic study of 1,400 patients found 55% of PSMF participants achieved 5% weight loss in one year compared to 20% with other diets
• Protocol involves consuming only lean proteins like chicken breast, egg whites, whitefish, and Greek yogurt for two days weekly with near-zero carbs and fat
• Carbohydrate refeed using honey recommended day after PSMF to restore serotonin pathways and prevent sleep disruption from severe caloric restriction
• High protein intake of one gram per pound body weight must be maintained on non-PSMF days to preserve muscle during fat loss phases

Which topics are covered?

How is this page sourced?

Programme

Thomas DeLauer

Published

6 July 2026

Duration

15m

Original episode

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