You may be able to get less expensive insulin at Walmart

Dave Campagna takes insulin four times every day. That was costing him a lot, even with insurance. He told Action 9 it was costing his $250 per vial and that a vial would last him one month.

[RELATED: Patients drive hundreds of miles to save hundreds of dollars on insulin]

But then his doctor recommended Walmart. Campagna tried it. Now, he pays less than $25 for the same amount of insulin and swears by it. "I've been on it for a year and a half and everything is under control," he said.

Walmart is the only store that has its own brand of insulin. It's called ReliOn and everyone pays the same price: $24.88.

[RELATED: Health insurer Cigna lowering insulin costs to $25 for month's supply]

Novo Nordisk makes the medicine. You can get these four versions:

• ReliOn Novolin Regular
• ReliOn Novolin NPH
• ReliOn Novolin 70/30 mix
• ReliOn Novolin 70/30 mix pens (a five-pack of pens is $42.88, compared to roughly $300 for the brand name)

Novolin is human insulin.

You don't need insurance. You don't even need a prescription. But you still have to ask for it at the pharmacy counter.

In case you're skeptical, Action 9 checked: the American Diabetes Association and the U.S. FDA both recognize ReliOn as a legitimate product.

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