Monograph
Fasting-Mimicking Diet (Prolon)
The fasting-mimicking diet (FMD) is a 5-day, low-calorie, low-protein, low-carbohydrate dietary protocol developed by Valter Longo's group at USC and commercialized as the Prolon program (L-Nutra). The protocol provides about 4,600 kJ (\(~1,100\)…
By Kristopher Crawford
·
29 May 2026
·
5 min read
The fasting-mimicking diet (FMD) is a 5-day, low-calorie, low-protein, low-carbohydrate dietary protocol developed by Valter Longo's group at USC and commercialized as the Prolon program (L-Nutra). The protocol provides about 4,600 kJ (\(~1,100\)…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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