[header] How to calm a dog with natural remedies [title] Give the dog an herbal supplement orally. [step] Lots of all-natural herbal supplements are available commercially, whether in pill form or in tinctures. You can give them directly to your dog or mix them into a regular meal. 
Many of the same herbal supplements that have a soothing effect on humans will work on dogs as well. However, consult your veterinarian before giving your dog herbal supplements for proper dosage instructions and any warnings.