The marketplace is flooded with products that claim to curb appetite, boost metabolism or facilitate fat burn. These dietary supplements are often made from plant-based extracts and they’re extremely popular, generating more than $254.9 billion in sales last year alone. While some of these supplements may help support a weight loss plan, many have not been proven effective. And a few have even been linked to physical harm.

eMule Anleitung healthy lifestyle changes — including following a healthy eating pattern, reducing calories and engaging in regular physical activity — is the foundation of most weight management programs. But implementing these strategies can be difficult, and many people turn to supplements that are promoted as “quick fixes” to help them lose weight.

While a few supplements do have some evidence of being helpful, most are expensive, can interact with medications you might be taking and might cause health concerns. In addition, most of these supplements aren’t going to work miracles.

The Science of Slimming: Understanding the Mechanisms of Weight Loss Supplements

A few dietary supplements that have some evidence of being helpful include caffeine (a stimulant), green tea extract (GTE), chromium picolinate, glucomannan and capsaicinoids and capsinoids. Most of these, when taken as directed, improve markers of metabolic health but do not significantly affect body weight or total calorie expenditure.

The makers of dietary supplements rarely conduct research to prove whether their products work and are safe, and the few studies that have been done involve small groups of people who take the supplement for only a few weeks or months. More research on larger groups of people is needed.…