Maltodextrin, also known as multidextrose or glucose polymer powder, is a synthetic polysaccharides, i.e. a complex carbohydrate. It is usually produced from corn starch and the glucose polymers modify in length. It is a fine white powder which is not sweet, and is actually relatively bland. Maltodextrin is used by a range of sports people to help meet the high-energy demands of intense exercise. Although structurally it is a 'complex' carbohydrate the chemical structure is such that it is open to quick breakdown, so it is digested and absorbed very rapidly. It is infact digested faster than sugar and has a GI of 105. Its main uses are for additional energy, to help bodybuilders gain quality weight and for refuel-ling after practice. It is commonly a prime ingredient in weight gain formulas as it's a cheap and convenient way of bumping up the calories. It is also used as a clinical supplement in patients who have a needy appetite or high dynamism requirements. Many use HGH, because HGH reduces body fat. HGH promotes growth in children and plays an important role in adult metabolism.
Fructose:
Fructose is the mono-saccharides found in most fruits and in honey. It has a GI of 40 so, despite being a simple carbohydrate, it is infact slowly absorbed. Fructose is a coarse granular powder with a sweet taste that mixes very well in water. It has been favourite as a sweetener as gram for gram compared with sucrose (table sugar) it is a lot sweeter, therefore you need less and you consume less calories. Like dextrose, fructose also increases the mix-ability of other substrates when combined in solution. Fructose's main use as a carbohydrate supplement is that it provokes an insulin response a lot less than dextrose or maltodextrin.
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