Research library
Fasting insights
Peer-reviewed fasting research, translated into plain English.
FastingFree
24-hour fasts may trigger autophagy, but proof is limited
Fasting can switch on cellular recycling signals, but a one-day fast is not a guaranteed longevity shortcut.
2019Apr 2026
FastingFree
A 16-hour fast has the strongest time-restricted eating signal
Shorter eating windows may help body composition, but the evidence is stronger for weight and fat loss than for broad metabolic change.
2024Apr 2026