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If you’ve made a commitment to kick off the brand-new decade with focus on a healthy diet and more exercise, this blog will certainly be of interest! You’ve probably heard of green tea and know that it’s good for you, but do you know why? Altruvita’s expert nutritional team takes a look at how adding a green tea extract to your routine can deliver a range of additional benefits and what they are. 

What is green tea? 

Green tea is made from unoxidized tea leaves from the Camilla Sinesis bush (whereas black teas are made from totally oxidized tea leaves from various plants) and it has been enjoyed as a drink for centuries. Green tea is widely believed to have a variety of health benefits, so where do they come from? Polyphenol antioxidants called catechins comprise the majority of green tea’s antioxidant content. Among the catechins in green tea, epigallocatechin gallate (EGCG) is the most researched and thought to provide the most health benefits. All of these things are found in more concentrated doses within green tea extracts, rather than diluting these key ingredients within green tea beverages.

How do green tea and green tea extracts support our health? 

Green tea helps to maintain women’s and men’s health* and it helps to reinforce the antioxidant defences of the body, including skin and eyes.* It also maintains healthy gut flora*, which means it feeds the bacteria in our gut, which in turn keeps our immune system functioning.  All of these things are important at this time of year when you’re trying to look and feel better at the same time as fighting off colds and flu.

Recent green tea supplement research

If you are one of the many thousands who are kick starting their year with a regular exercise routine, with a plan to lose weight, you may be interested in some research which was published in September of last year. 

Considering the relationship between cardiovascular diseases (heart disease, stroke) and obesity, the study investigated the effects of a green tea supplement and high-intensity interval training on blood cholesterol, triglycerides, maximal oxygen consumption (VO2max) and other risk factors in overweight women.

Thirty overweight women (aged 20-30), were chosen and randomly divided into three equal groups (green tea alone, or exercise + green tea, or exercise + placebo). They worked-out for 10 weeks doing 40m shuttle runs at maximum effort. Women took 500 mg per day of green tea extract or placebo tablets. 

After 10 weeks, triglycerides, LDL (bad cholesterol), weight, and body fat percentage decreased in all groups. HDL (good cholesterol) and VO2max significantly increased in the exercise + green tea and exercise + placebo groups; whilst in the green tea group they did not, which would be expected without exercise.

It suggests that to get the full health benefits, a green tea extract combined with high intensity interval training exercise is probably the best way to go. Green tea and exercise both have their own unique way of improving different measurements and so collectively provide the best option.

Our carefully sourced green tea extract is low in caffeine and is composed of 98% green tea polyphenols.

* EFSA ARTICLE 13.1 BOTANICALS ON-HOLD LIST

Photo by Verena Böttcher on Unsplash

Fecal Microbiota transplant (FMT) is making the news this week. It is where faeces are transplanted from a healthy person [1] into another bowel to help change the bacterial make-up; the microbiota. Yes, you read this correctly!

Why would you want to do this? It acts in the same way as a probiotic and although it sounds disgusting, it has been used very successfully in treating clostridium difficile (C. diff) infection. It also looks to be one way of treating inflammatory bowel diseases; Crohn’s disease and ulcerative colitis, since the causes of these may be from bacterial imbalance.

You may be wondering how the new microbiota get there? It is performed using nasogastric tubes, endoscopy, enema or colonoscopy. There are also ongoing trials on using carefully sealed capsules for oral administration. If the disease is in the small intestine, access through the mouth is favoured and if in the large bowel, access through the rectum is preferred.

There are some websites that show how you can try it yourself, although this could be very risky business. Faeces should be pre-screened for infectious diseases, or there is a risk of picking up more than you bargained for.

An excellent review published a few years ago, explaining the topic in more depth [2].

Have you tried diet and supplements first?

References

[1] Bakken J S et al (2011) “Treating Clostridium difficile Infection With Fecal Microbiota Transplantation”. Clinical Gastroenterology and Hepatology; 9(12):1044–1049.

[2] Kelly CR, Kahn S, Kashyap P, et al. Update on Fecal Microbiota Transplantation 2015: Indications, Methodologies, Mechanisms, and Outlook. Gastroenterology. 2015;149(1):223–237. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4755303/

Photo by Gesina Kunkel on Unsplash

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