Say yes to yogurt We know, you think dairy is bad for blemishes. And, certain types (overly-processed varieties, for example) can be. But yogurt that packs probiotics (Greek, Kefir) actually helps to prevent bad bacteria -- which can lead to acne -- from forming in your body. So, you may want to include one or two servings a day. Try a morning smoothie with antioxidant-rich blueberries and yogurt, plus a potassium-packed banana. Or try a strawberry granola parfait with a drizzle of honey for a post-dinner treat, yum.