Yellow Demons Yellow Demons is marketed as a “Maximum Thermogenic Incinerator” and is a product from Anabolic Science Labs (ASL). It is an EPH 150 energy performance brand extract. That being said, if you were thinking that Yellow Demons is an ephedra product, it’s not. While the previous formula did fall into this category, it has since been updated and no longer contains ephedra, even though its product packaging is clearly designed to mislead people into thinking it does. It is good to know that ephedra is no longer included…
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GNC Thermo Burst is designed to reduce body fat for more muscle definition and provide more energy for exercising.
Other than caffeine, the ingredients list in GNC Burn 60 does not seem to include any other metabolism-boosting components.
RapidSlim SX is advertised as a fat burner for women that contains common stimulants, such as caffeine and green tea.
GNC Total Lean is an ephedra-free formula that is considered a safe and effective way to stimulate your metabolism.