Sodium nitrite is used to preserve meat and fish and most importantly to prevent the growth of Clostridium botulinum - the bacteria which causes botulism. Sodium nitrite is found in bacon, sausages, dried sausages, smoked meats.
Growing your own Ginger Beer Plant and then making your own alcoholic Ginger Beer is easier than you might think. This article explains in detail how to go about it and what results you can expect to achieve.
Gluten Free/ Paleo/ Low Carb Biscuits - Using almond flour - These can be made as a plain biscuit, or you can add the cheddar and garlic for a low carb garlic cheddar biscuit. - NET carbs 2 per biscuit