Evidence-Based Fat Burner Ingredients
Fat burner ingredients vary enormously in the quality of evidence behind them.
Strong evidence
Caffeine and green tea extract (specifically EGCG) have the most consistent supporting research.
Moderate evidence
L-carnitine shows some promise, particularly when paired with exercise, though results are more modest.
Weak or no evidence
Raspberry ketones, garcinia cambogia, and CLA are commonly featured but haven't held up well in human studies.
Key takeawayCaffeine and green tea extract stand out with the strongest evidence among fat burner ingredients, while many other popular ingredients haven't held up well in actual human research.
Recommended products
Green tea extract supplement
One of the more evidence-backed thermogenic ingredients.
This content is for general educational purposes only, based on published research, and is not a substitute for personalized medical advice. Consult a doctor before starting any new supplement.