: Large chains like CVS and Walgreens typically stock them. In many regions, you can purchase them over the counter (OTC), though some states require a prescription or have quantity limits.
: Walmart and Target sell them both in-store and online, often in the pharmacy or first-aid sections. Where to Buy Online 1ml Syringes: Medicine Dispensers & Oral Syringes - Target
You can buy (often referred to as 1cc or tuberculin syringes) from major pharmacies, specialized medical supply stores, and online retailers. Availability often depends on whether you need them for medical use (with a needle) or non-medical use (oral/craft). Where to Buy Locally