• Anyone at all concerned about slowing down their metabolism by running big deficits? Have been doing 18/6 IF in the hope to avoid this, as fasting apparently causes body to switch fuel sources God knows if this is actually true, but I find the argument compelling, as it explains why shows like the biggest loser and so many peoples’ diet efforts never lead to sustainable weight loss. But either way, the answer is probably that at my age (mid 30s) eating less shouldn’t be a diet but part of my lifestyle from now on.

  • Yes, but in fairness I think I did that years ago training for long course triathlon, like you I’m trying the intermittent fasting thing in the hope it helps restart my metabolism keep it going, although not quite so extreme in time frames, I’m eating breakfast at 8 and dinner at 5.

    So far it seems to be working as I’m running a pretty huge defect when you take exercise into account and I’m 10.5kg down in 6 weeks, with no sign of weight loss slowing down, but with another 10 to go to hit my stretch goal that’s not surprising..

  • There an argument that 'cheat meals/days' can combat slowing metabolism.

    The less you weigh (even if mostly fat loss) the lower your metabolism is going to get.
    I think however, if you can hit your workouts and gym, without feeling really slow and lethargic the rest of the time, then you're metabolism isn't slow enough to cause any issues.

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