Affiliate & partner disclosure: This article contains affiliate links, and I may earn a commission if you buy through them at no extra cost to you. As an authorised LifeWave Brand Partner, I have a financial interest in promoting LifeWave products. Testimonial/editorial given by a LifeWave brand partner with financial interest in promoting the product. Full disclosure at the end.
A note before we start. This is general information, not medical advice. If you’ve been told to limit fluids, follow your doctor. LifeWave products are not weight-loss products and are not a treatment for any condition.
Water won’t melt fat on its own. But staying hydrated makes training better, may take the edge off appetite, and stops you mistaking thirst for hunger.
Key takeaways
- Water before meals modestly helped weight loss in one well-known trial.
- Any boost to metabolism from drinking water is small.
- Dehydration hurts training performance.
- A calorie deficit, training and protein still do the heavy lifting.
Water and metabolism
An early study reported a sizeable rise in metabolic rate after drinking 500ml of water, but later studies found a much smaller effect. Treat it as a minor bonus at most.
Water and appetite
A 2010 trial in Obesity found adults aged 55–75 who drank 500ml of water before meals on a calorie-controlled diet lost about 2kg more over 12 weeks than those who didn’t. Swapping sugary drinks for water also cuts calories.
Water and training
Losing around 2% of body weight in fluid can reduce performance. Better training sessions mean a better stimulus for keeping muscle while you lose fat. I lift every second day with the RP Hypertrophy app and use Perform electrolytes around training and sauna.
Water weight vs fat
Scale weight swings day to day with salt, carbs and fluid. Fat loss is slower. Track body composition and waist, not just weight; I scan monthly on a Hume Body Pod. See how to track fat loss properly.
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Join free →Where does LifeWave fit? Not in fat loss. LifeWave’s X2O filters water and adds hydrogen and a light infusion; there’s no good evidence it helps weight loss, and I don’t use it. I wear an X39 daily as a separate general-wellness habit.
Frequently asked questions
Does drinking more water help you lose weight?
Modestly, mainly by replacing caloric drinks and helping with appetite.
Does cold water burn more calories?
Only a handful — not enough to matter.
How does hydration affect smart-scale readings?
A lot. Measure at the same time, under the same conditions.
Does any LifeWave product treat a condition?
No. No such claim is made. LifeWave products are not intended to diagnose, treat, cure or prevent any disease.
Related reading
Lose Fat Without Losing Muscle · Body Recomposition After 40 · How Much Water Should You Drink?
Full disclosure. This article is general information, not medical advice. LifeWave products are not intended to diagnose, treat, cure or prevent any disease; statements about them have not been evaluated by the FDA. As an authorised LifeWave Brand Partner I have a financial interest in promoting LifeWave products. Hume Health links are affiliate links.
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