Fat burners are some of the most controversial supplements on the market today and some of them are downright dangerous to your health. This article provides a list of the 5 best natural ingredients that are proven to help you burn fat and get lean.

Caffeine or Caffeine Anhydrous
Caffeine is a very popular ingredient in commercial fat-burning supplements. This substance is naturally found in coffee, green tea and cocoa beans. Caffeine can help boost your metabolism and help your body burn more fat. Research shows that caffeine can temporarily boost your metabolism by up to 16% over one to two hours.

Research shows that caffeine Improves strength, Improves muscle endurance and anaerobic performance and last but not least, accelerates fat loss. It accomplishes this last by increasing the amount of catecholamines in your blood, which are chemicals that mobilize fat stores to be oxidized.

Green Tea Extract
Green tea has gone from an exotic beverage to one of the most popular weight loss ingredients. The active extract in green tea a polyphenol called EGCG (epigallocatechin gallate), when combined with caffeine, has been shown to boost metabolism beyond that of caffeine alone. Green tea extract is also rich in other polyphenols and anti-oxidants that can help you burn fat and supercharge your metabolism.

Bitter Orange or Synephrine
Synephrine is a substance that is especially abundant in bitter oranges. Synephrine contains several alkaloids that stimulate the body’s beta-3 receptors to boost metabolism and increase fat burning. It also promotes the release of epinephrine and nor-epinephrine, which enhances mental energy and focus. Furthermore this highly effective extract contains polyphenols for citrus fruits such as narirutin, naringin, hesperidin, neo-hesperidin, and also compounds such as N-methyl-tyramine, hordenine, octopamine, and tyramine which all synergistically form a very aggressive onslaught to fight stubborn fat deposits.

Carnitine plays a key role on the mobilization of body fat for fuel in the body. L-Carnitine transports the fatty acids to the mitochondria where the fatty acids are burned for fuel. It also directly translates into more energy for your body.

L-Tyrosine is an amino acid which in the body is used for the creation of the neurotransmitters adrenaline and noradrenaline. When adrenaline and noradrenaline go up, so does your heart rate and body temperature and this translates into more fat burning. Furthermore Tyrosine is also used in the body to create dopamine and in the final Tyrosine is used by the body to make the thyroid hormones t3 and t4, both essential to metabolism.