Green Tea Extract Question

pichu318

So... in order to keep this short and simple: is Green tea extract a fat burner or does it simply suppress appetite?

AnvilHead

It's a money burner and suppresses the amount of cash in your wallet. Nothing more. It's one of many useless weight loss scams sold by false claims and hoopla.

thereshegoesagain

It's a scam, made worse when Dr. Oz endorsed it.

mbaker566

it does nothing for weight loss

SLLRunner

pichu318 wrote: »

So... in order to keep this short and simple: is Green tea extract a fat burner or does it simply suppress appetite?

Nope. The real fat burned is eating at a calorie deficit.

janjunie

AnvilHead wrote: »

It's a money burner and suppresses the amount of cash in your wallet. Nothing more. It's one of many useless weight loss scams sold by false claims and hoopla.

lol yea exactly

ninerbuff

pichu318 wrote: »

So... in order to keep this short and simple: is Green tea extract a fat burner or does it simply suppress appetite?

Fat burning comes from calorie deficit. Supplements DON'T burn fat.

A.C.E. Certified Personal and Group Fitness Trainer
IDEA Fitness member
Kickboxing Certified Instructor
Been in fitness for 30 years and have studied kinesiology and nutrition

MorganMoreaux

pichu318 wrote: »

So... in order to keep this short and simple: is Green tea extract a fat burner or does it simply suppress appetite?

To answer your questions, no and no. If you do not consume caffeine now, it may have a minor and brief appetite suppressant effect, but it will be very short term, and most likely not enough to really effect weight loss.

The only fat burner I am aware of is the Kybella shot, and it's only FDA approved to eliminate chin fat lol.

Mrsrobinsoncl

Waste of money!!

I came across this ridiculousness today


http://community.myfitnesspal.com/en/discussion/10293734/green-tea-extract-question#latest

kshama2001

Here are some study analyses: https://ods.od.nih.gov/factsheets/WeightLoss-HealthProfessional/#tea

Green tea (Camellia sinensis) and green tea extract

Green tea (Camellia sinensis) is a popular beverage consumed worldwide that has several purported health benefits [114]. Green tea is present in some dietary supplements, frequently in the form of green tea extract. The active components of green tea that are associated with weight loss are caffeine (see section on caffeine above) and catechins, primarily epigallocatechin gallate (EGCG), which is a flavonoid [30,114]. A typical brewed cup of green tea has about 240–320 mg catechins [114] and 45 mg caffeine. Experts have suggested that green tea and its components might reduce body weight by increasing energy expenditure and fat oxidation, reducing lipogenesis, and decreasing fat absorption [30,115,116].

The authors of a meta-analysis of 6 randomized controlled trials with a total of 98 participants found that caffeine alone or in combination with catechins significantly increases energy expenditure in a dose-dependent fashion compared with placebo [115]. This effect might be important for maintaining weight loss by helping to counteract the decrease in metabolic rate that can occur during weight loss. Catechins combined with caffeine also significantly increase fat oxidation, but caffeine alone does not. Other human research indicates that EGCG alone does not increase resting metabolic rate, fat oxidation, or the thermic effect of feeding (the increase in metabolic rate associated with the digestion and absorption of food) [117,118].Taken together, these findings suggest that green tea catechins and caffeine might act synergistically [30,115,116].

Efficacy: Several human studies have examined the effects of green tea catechins on weight loss and weight maintenance. A 2012 Cochrane review analyzed the results from 14 randomized controlled trials of green tea preparations in a total of 1,562 overweight or obese participants [119]. The trials lasted from 12 to 13 weeks, and doses of green tea catechins ranged from 141 to 1,207 mg. Green tea supplementation reduced body weight by a mean of 0.95 kg more than placebo. However, when the authors analyzed the six studies that were conducted outside of Japan (where study methodologies were less heterogeneous than in the Japanese studies), they found no statistically significant difference in weight loss for green tea compared to placebo.

Another systematic review and meta-analysis included 15 randomized controlled trials, 6 of which examined the effects of caffeine (39–83 mg/day) with and without green tea catechins (576–690 mg/day) on anthropometric measurements. The authors reported that green tea catechins combined with caffeine over a median of 12 weeks modestly yet significantly reduced body weight by a mean of 1.38 kg and waist circumference by a mean of 1.93 cm compared with caffeine alone [120]. Only two studies in this meta-analysis examined the effects of green tea catechins alone. Their results suggest that green tea catechins alone do not affect body weight or other anthropometric measurements.

A similar meta-analysis of 11 randomized controlled trials found that people who took EGCG combined with caffeine for 12–13 weeks lost a mean of 1.31 kg more body weight (or gained 1.31 kg less weight) than those in control groups [121]. In 2010, the European Food Safety Authority examined health claims related to green tea and concluded that "a cause and effect relationship has not been established between the consumption of catechins (including EGCG) from green tea…and contribution to the maintenance or achievement of a normal body weight." [122]. Taken together, the findings of these studies suggest that if green tea is an effective weight-loss aid, any effect it has is small and not likely to be clinically relevant [119,120].

Safety: No adverse effects have been reported from the consumption of green tea as a beverage [114]. For green tea extract, most reported adverse effects are mild to moderate, including nausea, constipation, abdominal discomfort, and increased blood pressure [119]. However, consumption of green tea extract—primarily ethanolic extracts of green tea—has been linked to liver damage in several case reports [32]. These reports prompted the U.S. Pharmacopeia (USP) to systematically review the safety of green tea products in 2008 [123]. Using clinical case report data and animal pharmacological and toxicological information, the USP concluded that the consumption of green tea products "probably" caused 7 cases of liver damage and "possibly" caused another 27 cases. The USP noted that problems are more likely to occur when green tea extract is taken on an empty stomach and therefore, advises taking green tea extracts with food to minimize the possible risk of liver damage. Other research indicates that green tea polyphenols do not elevate liver enzymes or cause liver dysfunction when consumed by healthy men for 3 weeks at a dose of 714 mg/day [124]. Liver damage from green tea extracts could be partly due to contaminants in some products [30], but some researchers advise using dietary supplements containing green tea extract with caution [114].

Yi5hedr3

It HAS been shown to stimulate metabolism a little, but it is not a great burner of fat. It does burn fat, but a very small amount.

tillerstouch

There has been some research that says green tea promotes weight loss but it was like 6 cups or something I believe. Don't bother with the suppliments. If you enjoy tea though try adding a cup or two into your diet but it's not a magic way to lose weight.

Ready2Rock206

Neither.

rainbowbow

while supplements dont burn fat, i believe most supplements with green tea have a $8!tton of caffeine. I imagine this may help you have more energy throughout the day. If you were drinking cups and cups of green tea i imagine that may have a filling effect and reduce appetite.

Either way, you just need to eat less calories. It costs you no extra money and is scientifically proven to work.

amusedmonkey

Here is the deal:
- does it show some fat burning boosting properties? Yes it does, and the research on them is actually good, but it's so tiny and unreliable that picking up the habit of making silly faces for a few minutes every couple of hours burns more calories.
- It's very dose dependent, so to see that tiny improvement you may need to at least double the dose of these pills
- There is little to no difference between tea in liquid form and capsules.
- Many of these pills are actually just tea leaves stuffed into a pill. Much cheaper to buy empty capsules and stuff them yourself with tea if you are insistent on getting that barely there fat burning boost.
- It works great in theory but not in practice because absorption rate in humans is very small.
- If you have a caffeine habit, that tiny boost becomes even tinier. The way this extract works is by increasing the effect of caffeine on thermogenesis, an effect which only shows in people who are not used to caffein and only for a couple of weeks until the body gets used to it.

Take-away: People like to make money, so they cherry pick a certain aspect of a research, magnify the claims, tuck away the caveats, and sell it as a new miracle drug.