Flavonoid phytonutrients (found concentrated in citrus, berries, red onions, beans, green tea, grapes, and cocoa) may boost metabolism enough to significantly slim one's waistline.
The arginine content of nuts may explain their metabolism boosting effects, though in a list of the top food sources of arginine, nuts don't even make the top ten.
Finally there’s a solution to the mystery of why nuts don't seem to make people gain weight. It appears to be a combination of factors including a boost to our metabolism, which results in us..
There are rare birth defects in which the inability to produce certain compounds requires an exogenous source. Presented here is a case report of a boy with a mutation in his carnitine transport..
Randomized, double-blind, placebo-controlled crossover studies convinced the scientific establishment that nitrate-rich vegetables such as beets could noticeably improve athletic performance.