Mr. Hetzler suggested his film crew try it to ease the physical pain of making a movie. “I remember being approached by one of our crew members after a long day of rigging lights and moving gear,” he said. “He told me the CW balm worked incredibly well.”

It’s a strange reality when the same product is being used for both life’s biggest medical challenges and to prevent hangovers. But that’s where we are with CBD, sa id Dr. Rachna Patel, the author of “The CBD Oil S olution,” who began prescribing medical marijuana in 2012.

“Typically the way it works is you have a medicine, there is research done on it, scientists figure out what it works for, then people use it,” she said. “It’s the opposite with CBD. People are using it, and then they are like, ‘It works for this,’ and now science needs to study it.”

CBD may be hype. It may be placebo. It may be a miracle cure. Legislation could shut it all down at any moment. But in the current culture, the Stanleys have a huge advantage.

Since the beginning of 2018, Charlotte’s Web has experienced a 60 percent growth in sales online. The product is now found in 3,700 stores across the United States. The company is forecasting revenue growth of $120 to $170 million in 2019, up from $15 million in 2016.

Each brother has contributed something different to its success. “One of the best public speakers I’ve ever heard in my life is my older brother Josh,” Joel said. “When we have a TED Talk, we may write the content, but he gives it. Jesse is one of the funniest people I’ve ever met in my life. He’s hilarious, but he’s also creative so he does the marketing. Jon is the dead sexy one. Jon, Jordan, they take on the grunt of planting, learning how to deal with pests, teaching the farmers what to do. Jared is the most valuable operator. He should have been Forbes 30 under 30, but now he’s too old. He’s the one that does all the scaling. J. Austin, he handles scheduling, opportunities and events. Everyone loves him.”