Beyond bottles, some people also reuse other storage containers like butter tubs or condiment dispensers. These containers may be safe to use, depending on their recycle codes, which are usually visible on the bottom of the product.
Plastic #5 is common in yogurt containers and butter tubs and has a low risk of chemical leaching. Recycling codes #2 and #4 are also likely safe. However, avoid heating these containers and limit the storage of acidic foods like vinaigrettes or citrus fruits.

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.