I was in San Francisco last month, just walking in this area and happened to see this place, so I stopped in. Here's my Harvest Urban Market review.
The market is housed in a very large location (for San Francisco), at the corner of 8th and Howard. The large glass windows in the front and side give in a lot of natural lighting, which is nice.
Inside there is a cafe seating area next to the coffee bar and salad bar. The salad bar features mostly veggies, but the deli case is mostly filled with meat stuff.
The grocery selection offers a mix of both conventional brands as well as natural food brands.
I found the travel size soymilk I wanted. Pricey, though.Pros: has natural groceries, mostly veg salad bar
Cons: expensive, meat