I don't care how much it costs, I just want to get better
The cost doesn't matter, I just want to get better.
I'm going to spend money on some nutritional supplements to help myself get healthy again.
「多少お金かけてもいいから」＝ I don't care how much it costs./The cost doesn't matter
「元気になりたい」＝ I want to get better/I just want to get well
組み合わせると：
「多少お金かけてもいいから元気になりたい」＝ I don't care how much it costs, I just want to get better/The cost doesn't matter, I just want to get better.
サプリや栄養の話をする場合には、こういう文章を使えましょう：
I'm going to spend money on some nutritional supplements to help myself get healthy again.
イギリス 
