Lipoly

Your Fat Loss Sprint Guide

Get lean in 3 weeks. With the protein and training to keep the muscle.

Most 'get ripped fast' content has no protein targets, no training structure, and no recovery plan. The Fat Loss Sprint has all three — and 50 years of clinical evidence behind it.

What "Getting Ripped" Actually Requires

Body composition change — fat loss with muscle retention — requires three non-negotiable variables:

1. A deep caloric deficit — to drive rapid fat oxidation 2. High protein — to signal the body to maintain muscle during the deficit 3. Resistance training — to provide the mechanical stimulus that makes the protein signal effective

Most "get ripped fast" programs address one or two of these. Typically: cut calories aggressively (yes) + cardio (not optimal) + ignore protein targets (no) + no training structure (no). The result: fat loss plus significant muscle loss. The "ripped" look doesn't materialise — just lighter and weaker.

The Fat Loss Sprint addresses all three simultaneously and calculates them from your specific body composition.

The Science That Makes This Work

Longland et al. (AJCN, 2016) is the landmark study here. Young men in a 40% caloric deficit randomised to:

  • High protein (2.4 g/kg/day) + resistance training + HIIT
  • Standard protein (1.2 g/kg/day) + same training

High protein group results: +1.2 kg lean mass gained, −4.8 kg fat lost simultaneously. At a deep deficit. This is body recomposition — getting leaner while maintaining or gaining muscle. This is the Fat Loss Sprint protocol, validated.

The critical variables:

  • Deficit: ~40% below maintenance (FLS achieves this)
  • Protein: 2.4 g/kg body weight (FLS targets 2.2–3.0 g/kg LBM — comparable)
  • Training: resistance + HIIT (FLS mandates 2x/week strength + daily steps)

The Sprint Timeline for Body Recomposition

Glycogen depletion, rapid scale movement (2–4 kg), early ketosis Deep ketosis, appetite suppression, body shifts to fat oxidation Active fat loss, training sessions maintaining muscle stimulus Visible lean appearance emerging as fat reduces over maintained muscle Maintenance Phase restores carbs — muscles fill out, vascularity increases

The visible "lean" result often appears most dramatically during the Maintenance Phase when glycogen and water return to muscle tissue at a lower overall body fat percentage.

Comparison: Sprint vs. Typical "Get Ripped" Program

Typical "Get Ripped" ProgramLipoly Fat Loss Sprint
Protein targetOften unspecified or insufficient2.2–3.0 g/kg LBM — calculated
TrainingCardio-heavyStructured strength + daily steps
DurationVague14–28 days — defined
Muscle protectionNot addressedMandated: protein + resistance training
RecoveryNoneMandatory 14-day Maintenance Phase
Science basisNoneLongland 2016; Purcell 2014; 50+ years PSMF

Lean in 3 weeks. With the muscle to show for it.

+1.2 kg lean mass gained while losing 4.8 kg fat. High protein + deep deficit + resistance training. Longland et al., AJCN, 2016.

See your numbers

Run the calculator on your own stats.

Sprint level, calculated macros, and a recommended duration — based on your body composition.

Sprint Level 1
Lean Body Mass: kg
🥩
—g
Protein
🥑
—g
Fat
🌾
—g
Carbs
🔥
Calories
Recommended:
Training
  • 2× strength training per week
  • 8–10K steps daily
  • No running or HIIT
See My Full Plan →

Free 7-day trial · No charge today · Cancel anytime