这个句子该如何组织翻译

research has suggested more health value from vitamin D than had once been thought.
看懂了，就是语言组织不通顺。3Q

research has suggested more health value from vitamin D than had once been thought.

研究表明，和已有结论相比，维生素D具有更多营养价值（有益的作用）。

研究表明，维生素D具有比以往结论中提到的更高的营养价值。

research has suggested more health value from vitamin D than had once been thought.
研究提示维生素D的健康价值比曾经认为的高。

稿费是按原文字数算的，不用尽可能多翻译出汉字来。

谢谢大家了！
果然是高人无数啊
感觉就差那一点，可翻译出来的就是明显不同
该如何提高这种带有专业性词汇的翻译能力？