The fat burning supplement by Optimum Nutra Inc called Phentaslim is a diet pill that was created to help dieters to be able to lose weight more quickly and easily than would be possible with diet and exercise alone. The official website for this product shows that it is appropriate for use by both male and female adult dieters. It claims that it will “supercharge your body into a fat burning machine” in a safe and rapid way. It also claims that it will increase energy levels, shrink the appetite, and help with sharper and clearer thinking.
In order to better understand whether or not it is possible for Phentaslim to live up to its promises, it is very important to look at its ingredients. At the time that this review was written, the official website stated that the ingredients within this formula were: Thiamin (Vitamin B1), Riboflavin (Vitamin B2), Vitamin B6, Vitamin B12, Zinc, Niacin, Guarana Seed, Caffeine Anhydrous, Green Tea (4:1 extract), Cayenne, Raspberry Ketones, L-Tyrosine, L-Carnitine, Panax Ginseng Root. Though there are a few other ingredients within the formula, they are inactive and are merely a part of the capsule, itself. It should be noted that as they are gelatin capsules, this is not a vegan friendly product.
According to the official website, the ingredients in this product have been clinically tested to better understand their effectiveness for weight loss, and the results have been promising. That said, it is important to note that there have not been adequate large studies from reputable organizations to consider this product to be proven safe and effective, nor has this complete formula been tested.
When looking at the ingredients, it is clear that the primary focus is on being a fat burner, as there are many ingredients on its list that are known to increase the metabolic rate through thermogenesis. This includes guarana seed, caffeine anhydrous, green tea, and cayenne. That said, when considering those substances, it is important to point out that three out of the four are stimulants, so it is likely that many dieters will experience side effects when taking this product.
It is also important to note that Phentaslim contains ingredients such as raspberry ketones, which are entirely unproven and that many companies include in their formulas simply because they have been receiving a lot of media attention and not because they are actually known to provide any beneficial weight loss results.
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