Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to take ginkgo biloba [title] Look for a trusted seal of approval. [step] Dietary supplements are not regulated in the same way prescription medications are. Be sure they bear the seal of a trusted inspection agency.

Ending1: Think about buying a product like this before you buy it and ask that the seal be sealed immediately. If you are still in doubt, visit the product's health agencies. Ending2: Look for a " certified by the fda " seal. [substeps] Although the texas department of animal control and the city of sydney international can guarantee your identification information, you must be the current owner and currently have no domestic activity involved in the assessment of your ginkgo biloba. Ending3: [substeps] The efsa (european food safety authority) regulates supplements in europe. An orange " usp " seal means that supplements meet u.s. Ending4: [substeps] Local pharmacies and plant agricultural labs may have a pickless seal of approval. These small drop in ce or cna ratios are different on drugs than those that are tested for state and federal governments and reduced in federal laws and federal legislation.

Answer format: ending1/ending2/ending3/ending4