Vitamin B-1, also known as thiamine, is an essential nutrient that plays a crucial role in energy metabolism and the proper functioning of nerves and muscles. It is vital for converting carbohydrates into energy and supports cognitive functions, making it important for maintaining overall health. A deficiency in thiamine can lead to conditions such as beriberi and Wernicke-Korsakoff syndrome, highlighting the need for adequate levels through diet or supplementation.

The price of B1 without insurance varies by pharmacy, dosage, and quantity. Rx.com compares cash prices at more than 60,000 US pharmacies so you can find the lowest price near you. Many people save 60–90% off retail prices with a free Rx.com coupon.

Common side effects of B1 may include: Swelling of face, lips or eyelids, Itching or trouble breathing. This is not a complete list — consult your pharmacist or doctor for full side effect information.

Generic versions may be available for B1. Generics contain the same active ingredients as brand-name drugs and are typically 80–90% cheaper. Search B1 on Rx.com to compare generic and brand prices at pharmacies near you.

The cheapest pharmacy for B1 depends on your location and dosage. Rx.com compares prices at CVS, Walgreens, Walmart, Kroger, Costco, and thousands of independent pharmacies. Enter your ZIP code on Rx.com to find the lowest price for B1 near you.