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July 18, 2024
Fiber Review & Information
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Fiber Supplement Guide: Feel Full, Help With Bowel Movements, And More!

Fiber Supplement Review and Guide

1. What are they and where do they come from?

Fiber is an indigestible substance that comes from the walls of plant cells. There are two types of fiber: soluble and insoluble [roughage]. The solubility of fiber refers to its ability to dissolve in water.

As the names indicate, soluble fibers dissolve in water, while insoluble fibers do not. Within the two categories of fiber there are several subcategories.

Soluble Insoluble Gums Pectins Mucilages Cellulose Hemicellulose Lignin

Dietary sources of fiber include: vegetables, fruits, grains, psyllium, oat bran, guar gum, and beans.

2. What does it do and what scientific studies give evidence to support this?

Fiber is best known for its ability to induce bowl movements. Although it has been used for thousands of years to treat constipation, fiber is known to enhance health in many ways. For example, insoluble fiber contributes to feelings of fullness.1 Because fiber can not be digested, it acts as dietary "filler." When consumed, fiber occupies space in the stomach, and upon absorbing water and macronutrients, expands in volume. Resulting from the consumption of insoluble dietary fiber, individuals may experience fullness [satiety], a decrease in overall caloric intake, and possible weight loss.2, 3

Soluble fiber has been shown to reduce the speed of gastric emptying. The slowing of gastric emptying will result in prolonged feelings of fullness. This, theoretically, will result in an overall reduction of consumed calories, thus contributing to weight loss. Therefore, if weight loss is your goal, it is important that fiber be consumed, regardless of type.

3. Who needs it and what are some symptoms of deficiency?

Fiber Supplement Review and Guide Everyone should consume a minimum amount of fiber daily. Athletes and people looking to lose weight can benefit from consuming fiber.

For people looking to lose weight, the inclusion of fiber, especially when eating meals high in saturated fats, may contribute to weight loss in two ways. The first way has to do with the ability of fiber to expand in the stomach, thus speeding the onset of satiety, and thus a decrease in the caloric mass of food eaten. The second way has to do with fibers ability to absorb macronutrients. When fiber absorbs fat molecules, the fat molecules are unable to be metabolized and thus pass through the body. This means, simply, that they fail to be stored as bodyfat.

For athletes, the inclusion of dietary fiber into a nutritional program may prove beneficial when dieting down and attempting to reduce body fat, and when attempting to increase insulin levels naturally, without having to resort to the consumption of simple or refined carbohydrates. Consumption of simple carbohydrates may lead to fat storage; consumption of fiber will not. What's more, the use of fiber, and specifically pectin, will slow the rate at which consumed carbohydrates are released into the bloodstream. This will result in avoiding unnecessary insulin spikes that encourage the storage of body fat.

When on a high protein diet, constipation is a possibility, and so is intestinal inflammation. Individuals suffering from constipation may benefit from the consumption of insoluble fiber,9 and research has also demonstrated that intestinal inflammations occur less frequently in those who consume adequate levels of dietary fiber.10

4. How much should be taken? Are there any side effects?

25 to 30 grams for adults is recommended daily.11 Consuming too much fiber can result in the body being unable to absorb some vitamins and minerals.12 For this reason, when consuming large amounts of fiber, it is important to increase protein intake, as high fiber intake may also block the absorption of macronutrients.

Diabetics and individuals suffering from sclerosis should consult with a qualified physician prior to use.

5. Where can I get it?

There are different brand names that manufacture supplemental fiber. Below is a listing of all available fiber products for sale on Bodybuilding.com.

Republished from Clayton South's Health Facts.



Top 5 Selling Fiber Products

1. Chef Jay's Tri-O-Plex Bars
2. EAS Myoplex Deluxe (New Formula)
3. NOW Psyllium Husk Powder
4. InStone IntakePerformance
5. S.A.N. Infusion





More Supplement Ingredient Reviews - Supplement Guide


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