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Weight loss drinks: jeera water, green tea and what works

  • The short answer first, then the detail.
  • 6 sources, each linked in full.
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A woman laughs as she pours buttermilk into steel glasses for her friend

Every family WhatsApp group has a morning drink for belly fat. Warm water with lemon and honey, jeera soaked overnight, methi seeds, ajwain, cinnamon, green tea and, lately, apple cider vinegar in a glass of water. Somebody's neighbour lost a lot of weight on one of them, and the forward does the rest.

No drink melts belly fat. What a drink can do is replace a sugary one, add almost no calories, and help you feel full. Water before meals, plain tea, black coffee, buttermilk and jeera or lemon water without sugar all do that. Cutting sweet chai, juices and soft drinks makes the biggest difference.

Can any drink burn belly fat?

No drink has been shown to pull fat off the middle of the body. Fat comes off when you take in less energy than you use, and it leaves the belly along with everywhere else. What drinks change is how much energy you take in, and that turns out to matter a great deal.

The strongest research points at the drinks that add belly fat. Jiantao Ma followed adults in the Framingham study who had their abdomen scanned twice, about six years apart. Those who drank sugar-sweetened drinks most often gained the most visceral fat, the deep fat packed around the liver and gut.

So for a 42-year-old in Kolkata with a growing waist and a habit of two Thums Ups a day, the most powerful belly fat drink is plain water in the same glass. Swapping one bottle in the first fortnight and the second in the next is usually easier than quitting both on a Monday.

Sources: [1]

Why do sweet drinks matter so much?

Partly because of what they do to the body over years. Vasanti Malik's meta-analysis linked one or two sugary drinks a day to a clearly higher risk of type 2 diabetes and metabolic syndrome. Partly because liquid calories slip past your appetite.

Daniel DiMeglio and Richard Mattes gave volunteers the same extra calories as a drink or as a solid food. On the drink, people did not eat less at meals to compensate, and they gained weight. On the solid food, they ate less elsewhere. Say your husband drinks three cups of chai a day with two spoons of sugar each, plus a packaged mango drink with lunch. That's several hundred calories his stomach barely notices, every day.

Sources: [2], [3]

Does drinking water before meals help?

A little, in some people. Elizabeth Dennis and Brenda Davy ran a trial in middle-aged and older adults on a reduced-calorie diet. Those who drank about half a litre of water before each main meal lost more weight over twelve weeks than those on the diet alone.

The effect seems to come from feeling a bit fuller at the start of a meal, and it was studied in older adults, who may respond more. It costs nothing to try. A large glass of water before lunch and dinner is a sensible habit, especially for someone who mistakes thirst for an afternoon craving.

Sources: [4]

Does green tea help with weight loss?

Barely. The Cochrane review by Teri Jurgens pooled the trials of green tea and green tea extract for weight loss. Any effect was small and not likely to be meaningful, and the better-designed studies conducted outside Japan found even less.

Green tea is still a perfectly good drink if it replaces a sweet chai or a cola. Brewed, unsweetened, it has almost no calories. Just don't expect three cups a day to move the scale by themselves, and be wary of concentrated green tea extracts, which are a different product with their own risks.

Sources: [5]

What about jeera, ajwain, methi and lemon water?

There is very little good human research on any of them for weight. They are popular because they are cheap, warm, mildly flavoured and part of household tradition, and none of that is a bad reason to drink something. Jeera or ajwain water may settle a heavy stomach after a festive meal.

Their real value is as a replacement. A glass of warm lemon water instead of a second sweet chai is a genuine change. Lemon water with two spoons of honey is not, because honey is sugar by another name. Keep these drinks unsweetened and they are harmless allies, but not fat burners.

Is apple cider vinegar worth taking?

The evidence is thin. The trial most often quoted, by Tomoo Kondo in Japan, gave adults with obesity one or two tablespoons of vinegar a day in a drink for twelve weeks. Body weight and visceral fat fell modestly compared with a placebo drink. It is one small study, and the change was in the region of one or two kilograms.

Vinegar is acidic. Taken neat or often, it can erode tooth enamel and irritate the throat and stomach. If you want to try it, dilute a spoonful in a large glass of water with a meal. Better still, spend the effort on the sweet drinks, which matter far more.

Sources: [6]

Are diet sodas and zero-sugar drinks a good swap?

As a step away from regular soft drinks, they remove the sugar and almost all of the calories, which is a real change for someone drinking two bottles a day. The research on whether sweeteners affect appetite or weight in the long run is mixed, and not settled either way.

Our practical view is that a diet cola is better than a regular one, and water or chaas is better than both. If a zero-sugar drink is what gets someone off three sweet colas a day, it has done its job. The aim over time is to need the sweet taste less often, which is easier than it sounds once the habit breaks.

How much water should you drink in a day?

Water needs vary too much for one number to fit everyone. A delivery rider in Chennai in May needs far more than a retired schoolteacher in Shimla in January. Pale yellow urine and rarely feeling thirsty are good enough signs that you are drinking enough, and forcing down five litres does nothing extra for fat loss.

What does help is keeping water within reach, where it can replace other things. Put a steel bottle on your desk, drink a glass before lunch and dinner, and have another when the four o'clock craving arrives. A lot of what feels like hunger in the late afternoon is thirst and boredom together, and a glass of water settles it often enough to be worth trying first.

Sources: [4]

Which Indian drinks quietly add the most?

Sweet chai and coffee top the list for many people, because of how often they are drunk. Then come packaged juices and juice drinks, sweet lassi, cold coffee from a café, falooda and milkshakes, nimbu soda with sugar, and soft drinks. Alcohol belongs here too, both for its own calories and for the snacks that arrive with it.

Swaps that keep the ritual work best. Chai with half the sugar, then a quarter. Salted chaas instead of sweet lassi. Nimbu pani with a pinch of salt and no sugar. Whole fruit instead of juice. A glass of milk at night instead of a sweet, which also adds protein.

Sources: [2]

What should you drink while trying to lose fat and keep muscle?

Most of what you drink should be water, with plain tea, black coffee, salted chaas and unsweetened lemon or jeera water for variety. Milk and curd-based drinks earn a special place because they bring protein, and protein keeps you full and protects muscle while you eat less.

Think of a 36-year-old mother of two in Indore. She now drinks water through the day, one chai with half a spoon of sugar, chaas at lunch and warm milk at night. Her drinks are doing real work for her: very few empty calories, a little protein, and none of the 4 pm sugar slump that used to send her to the biscuit tin.

We should say where we stand, since you are reading this on our site. Metaboliq is a doctor-led weight programme, and the aim we set with members is "Lose up to 20% of your body weight — and keep your muscle". Results vary; your doctor decides what is right for you. It starts with a home blood test that a doctor reads, because belly fat often travels with high sugar or insulin, and that changes the plan.

Sources: [1]

Every source, in full

Linked to the publisher or to the abstract, so you can read them yourself.

  1. [1] Ma J, et al. Sugar-Sweetened Beverage Consumption Is Associated With Change of Visceral Adipose Tissue Over 6 Years of Follow-Up

    Circulation, 2016. In a Framingham cohort scanned twice about six years apart, higher sugar-sweetened beverage intake was associated with greater visceral fat gain after adjusting for weight change; diet soda was not.

    Read the source
  2. [2] Malik VS, et al. Sugar-sweetened beverages and risk of metabolic syndrome and type 2 diabetes: a meta-analysis

    Diabetes Care, 2010. Higher intake of sugar-sweetened beverages was associated with a higher risk of developing metabolic syndrome and type 2 diabetes across prospective cohorts.

    Read the source
  3. [3] DiMeglio DP, Mattes RD. Liquid versus solid carbohydrate: effects on food intake and body weight

    International Journal of Obesity and Related Metabolic Disorders, 2000. Extra calories taken as a drink were not compensated for by eating less, and body weight rose, whereas the same calories as solid food were largely compensated.

    Read the source
  4. [4] Dennis EA, et al. Water consumption increases weight loss during a hypocaloric diet intervention in middle-aged and older adults

    Obesity, 2010. Middle-aged and older adults on a reduced-calorie diet who drank about 500 ml of water before each main meal lost more weight over twelve weeks than those on the diet alone.

    Read the source
  5. [5] Jurgens TM, et al. Green tea for weight loss and weight maintenance in overweight or obese adults

    Cochrane Database of Systematic Reviews, 2012. Green tea preparations produced a small, statistically non-significant and probably not clinically important effect on weight in overweight or obese adults.

    Read the source
  6. [6] Kondo T, et al. Vinegar intake reduces body weight, body fat mass, and serum triglyceride levels in obese Japanese subjects

    Bioscience, Biotechnology, and Biochemistry, 2009. In a twelve-week trial in Japanese adults with obesity, a daily vinegar drink modestly reduced body weight, visceral fat and triglycerides compared with a placebo drink.

    Read the source

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