Boosting metabolism is the holy grail of weight watchers everywhere, but how fast your body burns calories depends on several things. Some people inherit a speedy metabolism. Men tend to burn more calories than women, even while resting. And for most people, metabolism slows steadily after age 40.
Lean muscle mass, which accounts for about a 5 percent difference between men and women, also affects metabolism, because muscle burns more calories than fat, even at rest. Increasing muscle mass through exercise increases your metabolism even when you’re not actively exercising.
If you enjoy icy water that's fine, but ice cold water constricts blood vessels in the GI tract and can cause digestive issues if you overdo it.
This can lead to never feeling properly satisfied and ultimately eating more, not to mention being constantly obsessed with food.
Go for it if you like spicy food, but the tiny impact on metabolic rate isn’t worth it if you don’t.
One older meta-analysis found that drinking green tea in conjunction with reducing calories resulted in weight loss. The researchers attribute this positive impact largely to EGCG,read more
Aside from the metabolic benefit, fiber also keeps you full for longer as it helps produce the satiety hormone, glucagon-like peptide-1, in your gut. It improves overall gut health,read more
Like fiber, protein requires a significant amount of energy to digest. This means your body has to work extra hard just to break it down, naturally boosting your metabolism.read more