montel williams
Television personality Montel Williams, a veterans advocate and a retired Navy officer, appears before a House Foreign Affairs subcommittee in 2014.

J. Scott Applewhite/AP

Former television personality Montel Williams has used cannabis nearly every day for 17 years. But he hasn’t smoked it in over a decade.

“I have dexterity problems. I can’t roll a joint to save my life,” Williams tells Business Insider. He prefers vaporizing more concentrated forms of the drug.

Williams, who is also a retired Navy officer, suffers from multiple sclerosis, a disease that causes his immune system to attack the insulation around his nerves. It produces intense, burning sensations from his head to his toes.

Every morning, Williams takes a fistful of pills to ease the pain. He supplements this cocktail with cannabis, which he started using after his diagnosis in 1999. The drug has been shown to improve symptoms in patients suffering from MS, according to a summary from the National Multiple Sclerosis Society.

In April, Williams became a “ganjapreneur,” launching his own line of cannabis products. Lenitiv Labs makes high-quality, user-friendly marijuana products designed specifically for medical users. They’re available in over 30 dispensaries in California.

The company uses a type of cannabis extract made from compressing carbon dioxide at high pressures, a process that does not require chemical solvents or artificial additives. The oil and drinks come in three formulas that vary the ratio of THC (the psychoactive ingredient in cannabis) and CBD (a chemical compound thought to be responsible for…