> My theory, though untested, is that getting an oxygen tank...
Very unlikely to do anything. If you can't get enough oxygen to your tissues, you'll already feel that (lactic acid buildup).
You're not likely to significantly increase your CO2 exhalation that way because you're not some simple "O2 in, CO2 out" machine. The air we exhale is still ~16% Oxygen.
Other than that, I've just started a 5:2 intermittent fasting program. It's not a full fast, two days a week I stick to sub-600 calories. The other days I have cut out or down on my snacking and try to eat 'better', but those two days I go hungry. After about 5 weeks of this, I appear to be adjusting quite well, the 'fast' days are much more bearable than they were at the start. I seem to be losing weight at a steady rate, about 0.8-1kg per week. It's not exactly a weird tip or a hack to ultra-fast weight loss, but it seems to work so far.
Very unlikely to do anything. If you can't get enough oxygen to your tissues, you'll already feel that (lactic acid buildup).
You're not likely to significantly increase your CO2 exhalation that way because you're not some simple "O2 in, CO2 out" machine. The air we exhale is still ~16% Oxygen.
Other than that, I've just started a 5:2 intermittent fasting program. It's not a full fast, two days a week I stick to sub-600 calories. The other days I have cut out or down on my snacking and try to eat 'better', but those two days I go hungry. After about 5 weeks of this, I appear to be adjusting quite well, the 'fast' days are much more bearable than they were at the start. I seem to be losing weight at a steady rate, about 0.8-1kg per week. It's not exactly a weird tip or a hack to ultra-fast weight loss, but it seems to work so far.