Lipoly
Your Fat Loss Sprint Planner
Weight loss plateaus have three causes. The Fat Loss Sprint addresses all three directly.
Understanding the cause is the first step. Most plateaus come from one or more of these:
As you lose weight, your maintenance calories decrease — because you weigh less. A deficit that was 500 kcal at 90 kg may be 200 kcal at 80 kg. Without recalculating targets, the same foods that produced a deficit before now maintain weight. Most calorie trackers don't adjust for this automatically.
Sprint targets are calculated from your current body composition at the start of each sprint — not from a fixed historical baseline. Every sprint begins with recalibrated targets.
Sustained restriction causes the body to reduce resting metabolic rate by 50–200 kcal/day through adaptive thermogenesis (Trexler et al., 2014). This is not "metabolic damage" — it is a normal, reversible physiological response. But it erodes the deficit over time.
The mandatory 14-day Maintenance Phase between sprints allows metabolic rate to partially recover before the next sprint begins. Refeeds within each sprint acutely restore leptin, supporting thyroid function (T4→T3 conversion) and preventing the sharpest adaptation. The MATADOR study (Byrne et al., 2018) demonstrated this structure produces 50% more weight loss with less adaptation than continuous restriction.
Portion sizes gradually increase. "One bite" becomes normal. The emotional weight of indefinite restriction causes unconscious compensation. This is not a character flaw — it is a well-documented behavioural pattern in open-ended dietary interventions (Nackers et al., 2010).
A defined sprint with a known end date is structurally different from indefinite restriction. When you can see the finish line, adherence changes. Purcell (2014): 3% dropout in the structured rapid group vs. 18% in the gradual group.
The sequence is short and structured: a stalled slow diet, a 2-week sprint to break it, a diet break to recover, then your slow deficit resumes.
When the scale stops, the answer isn't to cut harder on the same plan — it's to change the stimulus. A 2-week sprint applies a sharp, structured deficit the plateaued diet can't, and the mandatory diet break afterward lets leptin, thyroid, and metabolic rate recover before you pick the slow deficit back up. In the MATADOR trial, this stop-start structure produced 50% more fat loss than restricting straight through.
For someone already in a plateau on any diet, the FLS functions as a structured intervention:
1. Enter your current stats — the app recalculates from your current body composition, not your starting weight 2. Run the sprint — the aggressive deficit breaks through the plateau rapidly; visible scale movement resumes in week 1 3. Complete the mandatory Maintenance Phase — this is the metabolic reset that prevents the next plateau from arriving as quickly 4. Repeat if needed — sprint level is recalculated from updated composition before each subsequent sprint
| Common Plateau "Fixes" | Lipoly Fat Loss Sprint | |
|---|---|---|
| Increase cardio | Adds calories burned but doesn't address adaptation | Resistance training + steps (no unsustainable cardio volume) |
| Reduce calories further | Worsens adaptation; risks muscle loss | Structured protocol with protein + training mitigating muscle loss |
| Take a diet break | Good idea — but often undone immediately | Built in: mandatory 14-day Maintenance Phase |
| Refeed | Good idea — but usually unstructured | Scheduled, calculated, protein-and-carb-specific |
| Switch approaches entirely | Often back to square one | New calculated targets from current body composition |
Metabolic adaptation: managed through refeeds and mandatory maintenance. Caloric creep: eliminated by calculated targets. Adherence drift: solved by a defined finish line.
See your numbers
Sprint level, calculated macros, and a recommended duration — based on your body composition.
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