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Layne Norton, PhD@biolayneX

Things I have changed my mind on due to evidence: ✅Meal frequency ✅Fasted Cardio ✅LDL Cholesterol ✅Supplemental BCAAs ✅Sugar ✅High Fructose

what it claims

The creator states that science evolves and that, based on new evidence, he has revised his positions on several nutritional and performance topics (meal frequency, fasted cardio, LDL cholesterol, dietary supplements such as BCAA and glutamine, sugar, high-fructose corn syrup, and saturated fats).

holds up

The creator here highlights the importance of updating knowledge in light of new data.

noli's read

The creator here highlights the importance of updating knowledge in light of new data. For each of these topics, the scientific literature has indeed progressed: for example, meta-analyses and randomized controlled trials (RCTs) show that fasted cardio does not outperform fed cardio for fat loss if calories are equivalent, and that isolated BCAAs do not improve muscle protein synthesis in the presence of sufficient complete protein intake. Regarding LDL cholesterol and saturated fats, Mendelian randomization studies confirm the linear effect of LDL exposure on cardiovascular risk, making the initial (often more permissive) position obsolete. Regarding sugar and corn syrup, research indicates that they are not specifically 'fattening' outside of an overall caloric surplus. These changes reflect an alignment with the current scientific consensus, based on a rigorous reading of RCTs and systematic reviews.

the sources

  1. 1Hackett D, Hagstrom AD 2017
  2. 2Vieira AF, Costa RR, Macedo RCO, Coconcelli L, Kruel LFM 2016
  3. 3GBD 2016 Alcohol Collaborators 2018
  4. 4Biddinger KJ et al. 2022
  5. 5van de Luitgaarden IAT et al. 2022
  6. 6Malik VS, Hu FB 2019
  7. 7Yang Q, Zhang Z, Gregg EW, et al. 2014
  8. 8Westwater ML, Fletcher PC, Ziauddeen H 2016

Claimed by Layne Norton, PhD. 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 composition (fasted vs fed exercise) and in-session fat oxidation — trivial between-group effect on body mass/composition (5 studies, n=96); fat oxidation during exercise higher fasted (WMD ~3.1 g), an acute effect that doesn't translate to greater fat loss
Measured on
healthy adults; body-composition data limited and skewed to women

What’s uncertain

The body-composition evidence base is small. Burning more fat during a fasted session doesn't mean more fat lost over time. The 'women should never train fasted' claim lacks strong supporting evidence, though some people simply feel better training fed.

Layne Norton, PhD in the Register89 claims graded · solidity 95/100See their record →

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