From a big perspective, many enterprises have participated in R&D, producing and selling L-carnitine tea polyphenols tablets. Those big brands have higher safety factors, so they do less harm to human body. If it is produced by a small brand, the safety factor may not be guaranteed. However, even if it is produced by big brands, if you don't grasp the daily intake, excessive intake will still have side effects. For example, excessive intake by some people with renal insufficiency will cause serious disease problems and may even lead to renal failure. On the other hand, if you take it in large quantities for a long time, it is likely that you will become physically dependent because of excessive weight loss. Once you stop taking L-carnitine tea polyphenols tablets later, your weight will rebound to a fatter level than before you lose weight. Is L-carnitine tea polyphenols harmful to health? . Generally speaking, if it is L-carnitine tea polyphenols tablets produced by big brands, it will generally be made by natural technology. As long as the daily intake is controlled when eating, it will not cause harm to people at all.