Most convenience stores, grocers and super market chains, including Shaws, Market Basket and Hannafords stock both vinegar and baking sodas with many brands and sizes available alongside other cooking supplies. These stores stock huge inventories of kitchen goods and utensils for use in baking, cooking and other common household culinary pursuits.
The Demoulas Market Basket chain of supermarkets stock all basic cooking supplies for use in Western culinary practices. This includes vinegar and baking soda among many other common cooking substances like baking powder, sesame oil, vegetable oil and shortening. Supermarkets order goods in bulk and are seldom out of stock on basics.
Market Basket is another large supermarket chain where cooking necessities are sold. The stores are large and have extensive inventories, so they are practically guaranteed to stock vinegar, baking soda and many other common household needs at any given time. This makes them a convenient stop for those who wish to take care of all of their shopping with a single destination.
Hannaford is another major American supermarket chain. It has a huge stock of ingredients and goods ranging from the most essential and recognizable of kitchen and pantry staples to much more exotic fare from around the world. It stocks both vinegar and baking soda in many formulations and brands.