Question: what are milk solids in yogurt?
Answer: Regular yogurt must be no less than 3.25% fat and contain no less than 8.25% milk solids. Low fat yogurt must be between 0.5 to 2% fat and contain no less than 8.25% milk solids. Non-fat yogurt must be less than 0.5% fat and contain no less than 8.25% milk solids.