What are the health benefits of chlorophyll? I heard's it's good for a healthy diet (green veggies) and improving metabolism, but I'm not sure about the latter.

Product of greens. Chlorophyll is what gives plants the green pigment. As for health benefits I don't see any harm in taking it up as green leafy vegetables are high in minerals and nutrients. As for helping metabolism - it helps maintain plant metabolism as it is essential for phtosynthesis. Not sure it has much effects on humans, .