There are no alcohol containing ingredients used in our Nature's Own formulas.
Some of our products do contain butter from cows and some contain honey.
L-cysteine is not an ingredient in the Nature's Own formulas.
The Double Fiber 20 ounce bread contains Omega 3 from a fish oil source.
Thank you for your interest in our products.
V P Technical Services/Quality Assurance/Regulatory Flowers Foods
This response is for all their products (their breads, muffins, English muffins, bagels, buns, and rolls). If yo visit their website and select a specific product, it will list the ingredients there for you.