Please choose the correct ending to complete the given sentence: Health: [header] How to buy health supplements online [title] Compare different retail sites. [step] You'll find that a variety of different retailers sell health supplements online. Compare different sites to not only get the best deal but also minimize the risk of scams or buying unsafe products.

Ending1: [substeps] Try hudmart and walgreens, both of which sell health supplements. [title] Buy pill supplements from stores like ebay and amazon. Ending2: [substeps] Check retail sites like amazon.com, ebay, and dealside. Ask to see the product's terms and conditions and pricing. Ending3: For the best results, choose a site whose website descriptions and sizes accurately fit your dollar. [substeps] Enter your name and physical address into the search box and click " find retailer. Ending4: [substeps] Stick to sites from countries that have known safety standards for supplements. Sites in the united states, for example, may offer safer products than places that don't regulate safety standards.

Answer format: ending1/ending2/ending3/ending4