Many bodybuilders use it for following reasons:

1. It promotes muscle growth.

2. It increases energy.

3. It helps to burn fat.

4. It helps to prevent muscle fatigue.

L-carnitine is a relatively safe supplement provided manufacturer's recommendations are followed. As with all supplements, remain aware that l-carnitine could be contained in other products so read labels carefully to ensure your daily intake does not exceed four grams.

3. It stimulates metabolism.

4. It decreases blood sugar levels.

5. It reduces fatty tissue.

6. It prevents loss of muscle mass and promotes growth of muscle fibers.

7. It is suitable for both men and women and has no known side effects.

Ecdysterone seems to create a kind muscle building environment in body by maintaining a positive nitrogen balance and by increasing protein synthesis. The recommended dose for Ecdysterone is 80-120 mg per day although dosages of up to 600 mg per day can be safely taken.