excessiveness

noun [专属名词]过度（非常，格外）；冗余

Triglyceride is also called neutral fat and it is very important for human health, however, excessiveness is harmful.
甘油三脂也称中性脂肪，对人体有重要作用，但是甘油三脂过量也会给人体健康带来很多危害。