DIY juice cleanse?

I'm going to try doing a 3-day juice cleanse for weight loss (with exercise scheduled of course). I have bananas, lettuce, carrots, and I think lime juice somewhere? Is that enough? The juice cleanses I looked up had beets and a wide variety of veggies and friuts, but this is what I have to work with. Yay or nay?
That's enough to work with.
Haha... oh, you were serious.. no.
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DIY juice cleanse?
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