Juicing Machines / Savory Juice Recipes?

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I am considering the option of integrating juicing into my diet - mostly leafy greens, as I have some health problems that I believe would benefit from it. Does anyone have any juicing advice?

I would especially like feedback regarding machines - which ones are good and which ones should I stay away from? Also, if you have any recipes that are savory (not sweet) that integrate a variety of spices (like curries, hot sauces, etc...) because of their health benefits would be an awesome way to kick this off. The one vegetable I want to focus on is swiss chard, but all leafy greens are in my target.

Thank you ! I love it here at MFP! :love:
Roni