You haven't failed every diet. The timeline has been failing you.

Name: Lipoly
Brand: Lipoly

The research is clear: the majority of diet failures are adherence failures — caused by indefinite timelines, not lack of willpower. The sprint is different.

Try a different tool. 7 days free — lipoly.app

The assumption that's been setting you up to fail.

Standard dieting advice creates an indefinite commitment: eat less, move more, and keep going until you reach your goal. No finish line. No defined end. Just discipline, indefinitely.

The Purcell RCT (The Lancet, 2014) found that 18% of gradual dieters dropped out before hitting their target. Of those who completed the full program, many regained. This isn't because those people lacked character. It's because the timeline-to-result ratio makes the gradual approach psychologically unsustainable for a significant proportion of people.

The research also shows something important: the fast initial weight losers — people who lost more in the first month — had higher adherence rates, better long-term outcomes, and were no more susceptible to regain than slow losers (Nackers et al., 2010). Visible, rapid progress reinforces commitment. That's why the sprint often succeeds where slow approaches failed.

Why the Sprint Is Structurally Different

The Fat Loss Sprint is not a harder version of slow dieting. It is a different tool:

Defined endpoint: You know from day one exactly when the hard part ends — day 14, 21, or 28. Not "when you reach your goal." A specific date.
Protocol removes decisions: You don't decide what to eat. The app calculates your protein, fat, and calorie targets from your body composition. You follow the protocol.
Visible results fast: The first week produces measurable, visible change — which is exactly the positive reinforcement that keeps people going.
Deep ketosis reduces hunger: By day 3–4, nutritional ketosis significantly suppresses appetite. The protocol becomes more manageable, not harder, after the first few days.
Mandatory recovery is built in: The 14-day Maintenance Phase after the sprint is not optional. Recovery isn't the weakness — it's the design.

Comparison Table

	Previous Diets You've Tried	Lipoly Fat Loss Sprint
Finish line	No	Yes — day 14, 21, or 28
Daily decisions	Many (what to eat, how much, when)	Few — protocol specifies targets
Early visible results	Slow or absent	Measurable change in week 1
Protein guidance	Generic or absent	2.2–3.0 g/kg LBM — calculated for your body
Recovery built in	No	Yes — mandatory 14-day Maintenance Phase
Success rate	50% (Purcell 2014)	81% (Purcell 2014)
Dropout rate	18% (Purcell 2014)	3% (Purcell 2014)

The Research on "Serial Dieters"

Nackers et al. (2010) is particularly relevant for this audience. In a study of weight loss program adherence:

Fast initial weight losers (first month) achieved significantly greater short-term and long-term weight loss
They had higher attendance rates and better adherence throughout the program
They consumed fewer calories overall
Critically: weight regain did not differ between fast, moderate, and slow initial losers

The conclusion: rapid initial weight loss does not set you up for failure. It sets you up for sustained motivation. The serial diet failure pattern is often the result of the wrong tool — not a character flaw.

It's not you. It's the timeline. The sprint fixes the timeline.

81% success rate. 3% dropout. The Lancet, 2014. A different category of result.

Try a different approach. 7 days free — lipoly.app

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

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—g

Protein

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—g

Fat

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—g

Carbs

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Calories

Recommended: —

Training

2× strength training per week
8–10K steps daily
No running or HIIT

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Important information

The information on this page is for general educational and informational purposes only and does not constitute medical advice, diagnosis, or treatment. Lipoly is a self-guided informational tool — it is not a medical intervention, medical device, or supervised clinical program, and does not replace professional medical care.

Always consult a qualified medical professional before starting any new diet, exercise, or supplementation protocol — particularly if you have a pre-existing health condition, take prescription medication, or are pregnant or breastfeeding. Individual results vary based on body composition, adherence, sex, age, and other factors.

Lipoly is not suitable for: pregnancy, breastfeeding, type 1 diabetes, active eating disorders, severe kidney or liver disease, or body fat below 12% (male) / 18% (female). See full eligibility criteria and contraindications in the app.

Any comparisons with third-party products, services, medications, or approaches on this page are based on publicly available information and provided for informational purposes only. Lipoly makes no claim that any named product or service is unsafe, ineffective, or unsuitable — only that the Fat Loss Sprint is a different tool designed for a different purpose. Prices and product features of third-party services are approximate, based on publicly available data, and subject to change; verify current details at the respective provider's website.