Cooking Oil as Mouthwash: Is 'Oil Pulling' Healthy?

A staggering array of beneficial claims are being made online about the health craze.
3:00 | 03/26/14

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Transcript for Cooking Oil as Mouthwash: Is 'Oil Pulling' Healthy?
Now to the latest health trend of Hollywood's a-listers. This is called oil pulling. And many say that using oil as mouthwash is a recipe for good health. We asked "Gma" contributor Becky Worley to investigate and she did. Saltwater when you have a cold. Mouthwash when you have bad breath. Hydrogen peroxide for healthier gums. But gargling with cooking oil? Ew. Oil pull something taking a natural oil, putting it in your mouth and swishing it around for about 0 minutes that way you're getting great oral hygiene. Reporter: According to, yeah,, you only need a tablespoon of any pure oil. I'm going to try the coconut oil because it seems the least disgusting. Oh, my god. Blah. Continuing the direction move oil slowly in the mouth as rinsing or swishing, suck and pull it through the teeth for 15 to 20 minutes what! Oil pull something a completely natural way to rid your mouth of all the bacteria. Reporter: It's supposed to detoxify you. Detoxifying? I didn't know my mouth was toxic. Bad breath, maybe. It's not just rinsing, you have to brush, you have to floss, you have to see your dentist at least twice a year for you to maintain good oral health care. Reporter: But the claims online are significant. Relieve migraine, eczema, arthritis, bronchitis, improves vision, minimizes hangovers. This swishing process is eternal. Only a handful of studies have been done on oil pulling. A few showed it can reduce plaque and mouth bacteria that may cause halitosis but no studies in the national institutes of health database that tackle larger health claims. Time is end this ordeal. Don't forget to spit it out. So would I do this regularly? Ew. Ah, no. For "Good morning America," Becky Worley, Oakland, California. Is it over? Serious, America. Becky, thank you so much. I got -- Becky, we appreciate it. Our glam squad is working hard. Stay with us to see their magic

This transcript has been automatically generated and may not be 100% accurate.

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