# The Most Controversial Health Trends: What Actually Works
The wellness industry thrives on buzzwords. Detox teas, bone broth cleanses, and charcoal supplements dominate social media feeds, but nutritionists consistently dismiss most as pseudoscience with no peer-reviewed evidence behind them.
BBC Good Food separated hype from health by examining six popular trends that lack scientific backing. Activated charcoal supplements top the list. Advocates claim they absorb toxins, but your liver and kidneys already handle that job. These products can interfere with medication absorption and offer zero proven benefit for healthy people.
Detox protocols rank high on the controversy list too. Your body continuously eliminates waste through natural processes. Expensive juice cleanses or restrictive fasting regimens drain your wallet while providing no metabolic advantage over eating balanced meals.
Bone broth markets itself as a collagen powerhouse for joint health and glowing skin. The reality? Boiled bones release gelatin, but your stomach breaks it down into amino acids like any other protein. You'll get identical nutrition from chicken soup at a fraction of the cost.
Superfoods marketed as cure-alls from goji berries to spirulina fall into the same trap. These foods contain nutrients, but no single ingredient fixes health problems. A varied diet with regular vegetables works better.
Among the noise, two evidence-backed trends genuinely deserve attention. Regular intermittent fasting, when done properly, shows real metabolic benefits. Restricting eating to an eight-hour window helps some people reduce calorie intake naturally and may improve insulin sensitivity, according to nutrition research.
Fermented foods like sauerkraut, kimchi, and kombucha contain live probiotics that support gut bacteria. Unlike probiotic supplements whose survival to your intestines remains questionable, fermented foods deliver bacteria through food