Products containing synephrine, yohimbine, or high-dose caffeine (over 300 mg) warrant particular caution
What would move this position is: a randomised, placebo-controlled trial in a defined population with an objective primary endpoint, a pre-registered protocol, and pharmacovigilance over a clinically meaningful duration
On the contrary, alternative schemes appear to be on the rise, targeting patients in different ways and building on past falsehoods
Indeed, research published in the New England Journal of Medicine found that among people with heart disease, those with the least amount of glutathione in their blood were 30 percent more likely to have a heart attack than those with the most glutathione
Moreover, the success of incretin-based therapies has recalibrated tolerance for certain classes of adverse effects when balanced against substantial clinical benefit