You may see "Liquid Oxygen" drops or supplements sold online.

These are not true cryogenic liquid oxygen. They are typically distilled water with added minerals (like sodium chloride) and are sold as dietary supplements.

It is sold in bulk or in specialized containers called Dewars . Buying typically requires a business account or commercial credentials. Key Suppliers: Air Liquide : A global leader in gas and services.

Specializes in bulk deliveries and "Microbulk" solutions for smaller industrial needs.

These are unregulated and can be purchased without a prescription from retailers like Ubuy . 💡 Key Differences at a Glance Requirements Typical Supplier Medical Prescription required Medical supply (DME) companies Industrial Business/Lab credentials Major gas companies (Linde, Airgas) Supplement No requirements General online retailers To give you more specific guidance, could you tell me: Do you already have a prescription from a doctor? What region or country are you located in? What to Know about OTC Oxygen: Should You Use It?