BioSlim has a few good ingredients that have been tested several times by medical researchers in order to determine their application in weight loss pills.
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Is BioSlim Clinically Proven?
For one, BioSlim contains green tea which is just about the most popular ingredient in all fat burners. The BioSlim product itself is not guaranteed.
Is BioSlim Guaranteed?
Yes, there is a 30 day guarantee offered on BioSlim.
BioSlim comes in a kit of about ten items including books, pills and manuals, you honestly do not need all of these extras and if you were just buying the pills, you would be paying almost half of what you pay for the entire kit.
The thirty day guarantee is not going to be long enough for most people and you should generally look for a guarantee that is at least twice as long.