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 Liquid has a number of traits, among which are: 1  blocks out air, water, and moisture so if you need an airtight or watertight space or container, Flex Seal Liquid is the solution you are looking for. 2  prevents rust and corrosion (which is ideal for coating any metal; Flex Seal also works as a protective coat)