Dairy Products. Milk doesn't contain yeast, but some other dairy products are made by fermentation, which means that they may contain yeast. If you're trying to avoid yeast, don't eat yogurt, kefir, buttermilk or cheese. Butter, cream and ice cream, however, are not likely to contain yeast.airy Products. Milk doesn't contain yeast, but some other dairy products are made by fermentation, which means that they may contain yeast. If you're trying to avoid yeast, don't eat yogurt, kefir, buttermilk or cheese. Butter, cream and ice cream, however, are not likely to contain yeast.
Flex SealÂ® is now available in White, Brown, Almond, Silver, Green, Blue, Red, Terra-Cotta, and Yellow!
Flex Seal Overview. Flex Seal Benefits. It comes in liquid form. Flex Seal is a liquid sealant, and it is specially formulated for easy spraying. Its liquid form makes it easy to seep into holes and cracks to seal them perfectly. This is what makes this product different from the others. Typical sealants are usually dry and rubberized.