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r/intermittentfasting@intermittentfastingreddit
Celebrating 100 lbs lost with IF🤩

what it claims

Significant and sustainable weight loss relies on adopting intermittent fasting as a long-term, patient process, rather than as an instant solution.

holds up

The community largely agrees that physical transformation is a long-term project, particularly for individuals no longer in their twenties.

noli's read

The community largely agrees that physical transformation is a long-term project, particularly for individuals no longer in their twenties. Scientifically, intermittent fasting is recognized in several meta-analyses (such as those published in the NEJM or Annual Review of Nutrition) as an effective strategy for reducing total caloric intake, which mechanically leads to a loss of fat mass. However, research indicates that this method is not biologically superior to conventional caloric restriction; its success depends primarily on the individual's ability to maintain this rhythm over the long term. The idea that this requires time is supported by observational studies on weight management, confirming that slow weight loss is more conducive to maintaining results. It is therefore accurate to say that fasting is a facilitation tool, but popular claims often omit that energy deficit remains the primary driver. The community strongly converges toward an encouraging and patient view of this practice.

the sources

  1. 1Cioffi I, Evangelista A, Ponzo V, et al. 2018
  2. 2Lowe DA, Wu N, Rohdin-Bibby L, et al. 2020
  3. 3Liu D, Huang Y, Huang C, et al. 2022
  4. 4Jamshed H, Steger FL, Bryan DR, et al. 2022
  5. 5r/intermittentfasting

Claimed by r/intermittentfasting. Noli grades the claim, never the person.

Decoded by Noli · July 18, 2026 · the original post

What the graded evidence says

Evidence
B
Effect
body-weight change vs continuous energy restriction — no meaningful difference: weighted mean difference -0.61 kg (95% CI -1.70 to 0.47), non-significant; TRE added to calorie counting gives no extra loss beyond the calorie deficit
Measured on
adults with overweight or obesity

What’s uncertain

Fasting has no special fat-loss power beyond the calorie deficit it helps create. If it makes you overeat later or feel miserable, a simpler steady approach works just as well.

r/intermittentfasting in the Register12 claims graded · solidity 88/100See their record →

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