nicotinamide adenine dinucleotide

例句：

1. 1.Nicotinamide is an important component of the human diet.
   烟酰胺是人类饮食中的重要成分。
2. 2. The supplement contains high levels of nicotinamide.
   这种补充剂含有高浓度的烟酰胺。
3. 3.The researchers found that nicotinamide could help improve cognitive function in older adults.
   研究人员发现，烟酰胺可以帮助改善老年人的认知功能。
4. 1. Adenine dinucleotide is a key intermediate in the synthesis of DNA.
   腺苷二磷酸是DNA合成的关键中间体。
5. 2. The researcher discovered that adenine dinucleotide plays a crucial role in cellular energy production.
   研究者发现，腺苷二磷酸在细胞能量生产中起着关键作用。
6. 3. Adenosine dinucleotide is often used as a diagnostic tool for monitoring heart health.
   腺苷二磷酸常被用作监测心脏健康的诊断工具。