Other than eating garlic, are there any other natural methods to ward off an oncoming cold?

Natural treatments. Hello. Another therapeutic option for resisting a cold would be vitamin c, zinc and irrigation of saline into the nasal passages.
Cold. Taking vitamin c e.g. 1000 mg ester-c, zinc lozenges, adequate sleep, healthy diet, stop smoking, take daily multivitamin. Prevention- hand washing, avoidance, healthy life style, keep vitamin d3 blood level above 50.