There is a new coupon from Green Valley lactose free yogurt on mambosprouts.com. Print and take it to Whole Foods for this great price:

Buy 3 Green Valley Yogurt, 6 oz $1.25 each, when you buy 4, sale price through 5/21
Use one $1.00/3 – Green Valley Organics Lactose Free Yogurts, 6 oz (mambosprouts.com)
Final Price: $0.92 each, when you buy 3