Please choose the correct ending to complete the given sentence: Health: [header] How to take astragalus supplements [title] Take astragalus supplements for colds and seasonal allergies. [step] You can take astragalus supplements for colds and influenza, as it has anti-inflammatory and antibacterial properties. However, in some cases, astragalus supplements can make a cold worse.

Ending1: For most people, though, the astragalus supplement works best. [substeps] The good news about astragalus supplements is that it is not toxic. Ending2: Use caution when taking astragalus supplements for colds. If your symptoms do not improve in a few days, you may want to switch to a different medication. Ending3: [substeps] If you suffer from " colds, " which is a seasonal occurrence and the flu symptoms to mention, do not take astragalus supplements. You should take this as a supplement for flu-like symptoms. Ending4: [title] Eat as much of astragalus as possible. [step] Astragalus also helps to disinfect the body from bacterial infections.

Answer format: ending1/ending2/ending3/ending4