What is the healthiest tofu to eat?

I'm curious to know, what kind of tofu is considered the healthiest to consume? Are there certain factors to consider when choosing a tofu product, such as its ingredients, processing methods, or nutritional content? As someone interested in maintaining a healthy diet, I'd like to make sure I'm making informed decisions about the tofu I eat. Could you please elaborate on the characteristics of the healthiest tofu options available?