Best Buy Medical Supplies carries a wide range of diabetic supplies, including insulin pumps, insulin syringes, pen needles, test strips & more! If you've been looking for diabetic products - look no farther. Best Buy Medical Supplies carries top brands at affordable prices. Easily order all of your diabetic products online with a few simple clicks. With strategic warehouse locations across the country, you'll have your diabetic supplies delivered within 1-3 business days.