Related Clues:

• Slightest bit
• Shot-glass quantity
• See 6 Down
• Fluid measure
• Capsule alternative
• Aspirin form
• It may make you a better person
• Sixteenth of a pound
• Bit of prevention?
• Difficult sort
• Measure of prevention or strength?
• It might get popped in the mouth
• Medicinal morsel
• 1/16 of a pound
• One-eighth of a cup