Fiber And Weight Loss

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Fiber Is Not Listed As a Nutrient By The FDA — But It Should Be!

The recommended intake of fiber is about 29 grams per day. Most people do not get anywhere near that amount as they are eating a lot of processed foods.

This article talks about oligofructose which is a subunit of inulin.

Protein is not fiber. Fat has no fiber. Donuts are certainly not fiber. Cheeseburgers have no fiber and all processed carbs contain no fiber.

Why is this important?

While you don’t need fiber for its nutrient value directly it plays a critical role in your health.

Fiber slows the intake of sugars into the blood stream. It feeds the healthy bugs in your gut, and helps you poop better.

Eat too little fiber over a lifetime and there is a good chance this increases the probability of colon cancer based on the cultural studies of Denis Burkitt, MD in Africa.

Whole food fiber and Prebiotic Inulin are two easy ways to obtain those few extra grams of fiber if you’re not making your buckwheat porridge in the morning and eating those five servings of veggies during the day.

The power of prevention is not in what we do once and a while, but what we do every day on a consistent basis.

Fiber is one of those daily preventative acts that exerts a slow, but powerful influence over our health.

Eat well and keep in touch,

Dr. Olejak

 

Rats fed a dietary fiber supplement had better weight control

Summary: Rats fed a fiber supplement while on a high fat and high sugar diet show a much lower weight gain than those who did not eat the fiber, a study shows. A team of researchers says the study helps scientists better understand the mechanisms of weight control and energy balance.

 

University of Calgary study has found that rats fed a fibre supplement while on a high fat and high sugar diet show a much lower weight gain than those who did not eat the fibre. A team of researchers from the university’s Cumming School of Medicine and the Faculty of Kinesiology says the study helps scientists better understand the mechanisms of weight control and energy balance.

“Our data shows that a simple dietary intervention, with a prebiotic oligofructose fibre, reduced weight gain, and this may also lead to the long-term maintenance of a lower body weight in the face of continued dietary challenge,” says Keith Sharkey, PhD, senior author of the study and deputy director of the Cumming School of Medicine’s Hotchkiss Brain Institute (HBI).

Funded by the Canadian Institutes of Health Research, along with Alberta Innovates-Health Solutions, the study was published in the April edition of the journal, Obesity.

Despite having constant access to food high in fat and sugar, rats given supplemental oligofructose fibre gained about one third less weight than the control group.

The effect was seen regardless of the animals’ genetic predisposition to obesity, with rats prone to obesity and those that were more resistant and relatively leaner showing similar results. “The striking findingwas they both gained far less weight than controls,” says the study’s lead author, Nina Cluny, PhD, a postdoctoral fellow in the HBI and the Department of Physiology and Pharmacology.

Oligofructose is a naturally occurring dietary fibre found in vegetables such as onions and other foods such as bananas. “It’s a prebiotic fibre — a food, if you like, for the bacteria that live in our guts,” says Sharkey, who is also a Crohn’s and Colitis Foundation of Canada Chair in Inflammatory Bowel Disease Research, as well as a member of the university’s Snyder Institute for Chronic Diseases.

Trillions of bacteria live in the human gut, collectively forming what is known as our microbiota. They help with everything from digesting food to warding off harmful micro-organisms. Oligofructose is suspected to decrease weight gain by affecting the composition of microbiota and some of the gut hormones that control food intake.

Cluny says the study showed microbiota in obese rats given oligofructose were changed to be more similar to those of lean animals. Gut hormones were also affected by the oligofructose, including an increase of a hormone that helps control the sensation of satiety — the feeling of being full.

Raylene Reimer, PhD, RD, a co-author of the study, has published studies looking at the relationship between oligofructose and weight management in humans, and has identified a dose that helps adults and children eat less and reduce their body fat.

“It is not a ‘magic bullet’,” says Reimer, who is a professor in the Faculty of Kinesiology, a member of the Department of Biochemistry and Molecular Biology and a member of the university’s Alberta Children’s Hospital Research Institute.”If you take prebiotic fibre, it doesn’t cause you to lose 100 pounds in six months.”

In a 2009 human study that she led, adults receiving supplements of oligofructose lost on average one kilogram over a 12 week period — and perhaps more importantly, didn’t continue to gain weight, which is what occurred among the participants who took the placebo. In the most recent study published this month, researchers used an animal model to investigate the mechanisms of how the fibre interacted with the gut to reduce weight gain.

Oligofructose shouldn’t be seen as a potential alternative to exercise and diet, which have many other health benefits besides lowering weight, says Sharkey. He, Cluny and Reimer instead view the fibre as one of many possible tools in the fight against the growing problem of obesity.

Source: Nina L. Cluny, Lindsay K. Eller, Catherine M. Keenan, Raylene A. Reimer, Keith A. Sharkey. Interactive effects of oligofructose and obesity predisposition on gut hormones and microbiota in diet-induced obese rats. Obesity, 2015; 23 (4): 769

http://www.sciencedaily.com/releases/2015/04/150408124640.htm

 

 

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