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9 metabolism boosting foods proven by science

Eating more metabolism boosting foods means you can burn extra calories without doing much. Yes really.  Nutritionist Rick Hay brings you the super nutrients proven to help you to burn fat 

If you’re doing everything right but can’t seem to shift the pounds, we may have good news. Certain foods are rich in nutrients that can benefit weight loss and boost your body’s fat-burning capabilities, in addition to your healthy diet and exercise efforts. While some are still in the early stages of research proving their metabolism benefits, others have strong science behind them. Here nutritionist Rick Hay brings you nine to look for and the evidence behind them.

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Matcha green tea is one of the best superfoods for weight loss

  1. Matcha green tea

‘One of the most highly researched fat burners is green tea,’ says Hay. Scientific studies show that drinking up to five cups of green tea a day can increase daily metabolism.’  Countless studies have shown green tea benefits metabolism. Matcha is a powdered version of green tea that is covered in shade cloths before it’s harvested bringing you a more potent version of the metabolism-boosting brew.  In one study, done in 2014 at Penn State University, mice on a high-fat diet that consumed green tea extract and exercised regularly experienced sharp reductions in final body weight and significant improvements in health. After 16 weeks, the high-fat-fed mice that exercised regularly and ingested green tea extract showed an average body mass reduction of 27.1 percent and an average abdominal fat mass reduction of 36.6 percent. The mice on the green-tea-extract-and-exercise regimen also experienced a 17 percent reduction in fasting blood glucose level, a 65 percent decrease in plasma insulin level and reduction in insulin resistance of 65 percent – all substantial improvements related to diabetic health. Not bad for a humble cup of tea or five, right?

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Yerba mate is a superfood which can boost your energy levels

2. Yerba mate

‘Yerba mate works on hormone levels and blood sugar to help balance out cravings and studies have shown it could have an anti-obesity effect,’ says Hay. Research done in 2012 and published in the journal Laboratory Animal Research found that this South American plant could lower fat levels in the blood of mice fed a high fat diet. It was also found that it could reduce levels of leptin, the hormone that signals hunger, often called ‘the obesity hormone.’ ‘When it comes to metabolism and weight loss, Yerba Mate is extremely beneficial,’ says Hay. You can take it as powder or tea.

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Black pepper can raise your metabolic rate

3. Green coffee extract

The unroasted extract from the coffee plant, aka Green Coffee Extract (GCE) has been shown to help arrest the absorption of glucose in the intestine. A study published in 2011 in Gastroenterology Research and Practice said evidence was promising for the extract’s anti-obesity effect and more trials would confirm this.   Chlorogenic Acid is believed to be the main active ingredient in green coffee beans and the  substance that produces the weight loss effects. Unfortunately, straight up increasing your Pret habit won’t have the same effect as most of the chlorogenic acid is removed when the coffee is roasted.

4. Black pepper fruit

‘Black pepper fruit is a thermogenic spice which means it helps heat the body to burn fat and can also assist with the absorption of other nutrients,’ says Hay. A study from 2011 done on mice found that those fed a high-fat diet still lost weight when they were given supplements of black pepper. Further research in 2012 published in the Journal of Agricultural and food Chemistry uncovered the way the spice might work for weight loss – by blocking the formation of new fat cells.

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White kidney beans can prevent a certain amount carbs being absorbed

5. White kidney bean

‘There’s a lot of research coming out about the fact that while kidney bean blocks carbohydrate absorption,’ says Hay. Taking white bean extract supplements 15 minutes before each meal led to a reduction in both weight and waist circumference compared to taking a placebo in a study published in The Journal of Applied Research in 2010. A few other studies have shown similar results.

baobab, superfoods for weight loss by

Baobab is rich in vitamin C

6. Maca

Actually a native Peruvian vegetable traditionally used as an aphrodisiac, Maca has also been shown to help endurance, which could benefit dieters who are exercising (which we hope, is all of you). in fact, one study showed it increased sexual desire and performance in male cyclists!  While there is not a lot of evidence that it works specifically for weight loss, if you’re post-menopausal there’s a chance maca could prevent weight gain. A 2009 study published in the Journal of Hygiene Research that investigated the potential of maca to reduce body fat in post-menopausal female rats that had their ovaries taken out found that the rats gained less weight when supplemented with maca.

7. Beetroot

In terms of athletic performance enhancers, beetroot has been hugely hyped in the last five years. The juice is used by Olympians pre- and post- exercise for both performance enhancing and muscle recovery benefits, thanks to a high proportion of its active ingredient, nitrate. Beet juice’s effects have been the subject of a series of studies by Andrew Jones of the University of Exeter in Britain who found that after taking it, athletes’ muscles were working more efficiently. It’s also been shown to help lower blood pressure.

8. Cherry

They’re a pretty humble – and tasty – fruit. But research has suggested that cherry juice could help reduce fat around the middle.  A study published in 2009 in the Journal of Medicinal Food fed tart cherries to a group of rats on a high-fat diet. The researchers looked for changes in weight, inflammation and blood fats in one group compared to rats eating a high-fat diet without cherries in another group. There was an association between tart cherry consumption and reduced body fat, especially belly fat, in the cherry-juice drinking group.

9. Baobab

Baobab is an African superfruit that contains three times as much vitamin C as an orange. Vitamin C not only helps with hair, skin and nails but also immunity and good immune function is important if you’ll be training, exercising or for any fitness or weight loss regime. It’s also been shown to help keep blood sugar stable. Scientists at the Oxford Brookes University’s Functional Food Centre published a study in 2013 in the journal Nutrition using healthy human volunteers, and measuring the rate of starch and sugar breakdown in their blood supply after they had eaten the baobab extract.  The researchers found that the baobab fruit extract significantly reduced the rate at which sugar was released into the blood supply of the volunteers post-digestion.  While further studies are needed, this early evidence suggests that baobab may help with the blood sugar fluctuations that can often leave dieters craving and reaching for sugary, processed foods that could sabotage their diets.

healthista body food supplementAll of the above ingredients are found in Healthista’s new Body Food £18.95 supplement available to buy here.  







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Picture of Rick Ray, nutrition physiologist

Rick Hay is an Anti-Ageing and Fitness Nutritionist with many years clinical experience in nutrition, naturopathy, botanical medicine and iridology. He specialises in obesity treatment and weight management. He writes a regular Natural Health and Fitness Blog for Healthista. Find out more at Follow Rick on Twitter @nutritiomalphys


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